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序号 | Swift && 题名 | C++ | Python3 | Kotlin | Difficulty |
---|---|---|---|---|---|
1326 | 灌溉花园的最少水龙头数目 | ✓ | ✓ | ✓ | Hard |
1325 | 删除给定值的叶子节点 | ✓ | ✓ | ✓ | Medium |
1324 | 竖直打印单词 | ✓ | ✓ | ✓ | Medium |
1323 | 6和9组成的最大数字 | ✓ | ✓ | ✓ | Easy |
1322 | ✓ | ✓ | ✓ | Easy | |
1321 | ✓ | ✓ | ✓ | Medium | |
1320 | 二指输入的的最小距离 | ✓ | ✓ | ✓ | Hard |
1319 | 连通网络的操作次数 | ✓ | ✓ | ✓ | Medium |
1318 | 或运算的最小翻转次数 | ✓ | ✓ | ✓ | Medium |
1317 | 将整数转换为两个无零整数的和 | ✓ | ✓ | ✓ | Easy |
1316 | 不同的循环子字符串 | ✓ | ✓ | ✓ | Hard |
1315 | 祖父节点值为偶数的节点和 | ✓ | ✓ | ✓ | Medium |
1314 | 矩阵区域和 | ✓ | ✓ | ✓ | Medium |
1313 | 解压缩编码列表 | ✓ | ✓ | ✓ | Easy |
1312 | 让字符串成为回文串的最少插入次数 | ✓ | ✓ | ✓ | Hard |
1311 | 获取你好友已观看的视频 | ✓ | ✓ | ✓ | Medium |
1310 | 子数组异或查询 | ✓ | ✓ | ✓ | Medium |
1309 | 解码字母到整数映射 | ✓ | ✓ | ✓ | Easy |
1308 | ✓ | ✓ | ✓ | Medium | |
1307 | 口算难题 | ✓ | ✓ | ✓ | Hard |
1306 | 跳跃游戏 III | ✓ | ✓ | ✓ | Medium |
1305 | 两棵二叉搜索树中的所有元素 | ✓ | ✓ | ✓ | Medium |
1304 | 和为零的N个唯一整数 | ✓ | ✓ | ✓ | Easy |
1303 | ✓ | ✓ | ✓ | Easy | |
1302 | 层数最深叶子节点的和 | ✓ | ✓ | ✓ | Medium |
1301 | 最大得分的路径数目 | ✓ | ✓ | ✓ | Hard |
1300 | 转变数组后最接近目标值的数组和 | ✓ | ✓ | ✓ | Medium |
1299 | 将每个元素替换为右侧最大元素 | ✓ | ✓ | ✓ | Easy |
1298 | 你能从盒子里获得的最大糖果数 | ✓ | ✓ | ✓ | Hard |
1297 | 子串的最大出现次数 | ✓ | ✓ | ✓ | Medium |
1296 | 划分数组为连续数字的集合 | ✓ | ✓ | ✓ | Medium |
1295 | 统计位数为偶数的数字 | ✓ | ✓ | ✓ | Easy |
1294 | ✓ | ✓ | ✓ | Easy | |
1293 | 网格中的最短路径 | ✓ | ✓ | ✓ | Hard |
1292 | 元素和小于等于阈值的正方形的最大边长 | ✓ | ✓ | ✓ | Medium |
1291 | 顺次数 | ✓ | ✓ | ✓ | Medium |
1290 | 二进制链表转整数 | ✓ | ✓ | ✓ | Easy |
1289 | 下降路径最小和 II | ✓ | ✓ | ✓ | Hard |
1288 | 删除被覆盖区间 | ✓ | ✓ | ✓ | Medium |
1287 | 有序数组中出现次数超过25%的元素 | ✓ | ✓ | ✓ | Easy |
1286 | 字母组合迭代器 | ✓ | ✓ | ✓ | Medium |
1285 | ✓ | ✓ | ✓ | Medium | |
1284 | 转化为全零矩阵的最少反转次数 | ✓ | ✓ | ✓ | Hard |
1283 | 使结果不超过阈值的最小除数 | ✓ | ✓ | ✓ | Medium |
1282 | 用户分组 | ✓ | ✓ | ✓ | Medium |
1281 | 整数的各位积和之差 | ✓ | ✓ | ✓ | Easy |
1280 | ✓ | ✓ | ✓ | Easy | |
1279 | ✓ | ✓ | ✓ | Easy | |
1278 | 分割回文串 III | ✓ | ✓ | ✓ | Hard |
1277 | 统计全为 1 的正方形子矩阵 | ✓ | ✓ | ✓ | Medium |
1276 | 不浪费原料的汉堡制作方案 | ✓ | ✓ | ✓ | Medium |
1275 | 找出井字棋的获胜者 | ✓ | ✓ | ✓ | Easy |
1274 | ✓ | ✓ | ✓ | Hard | |
1273 | ✓ | ✓ | ✓ | Medium | |
1272 | ✓ | ✓ | ✓ | Medium | |
1271 | ✓ | ✓ | ✓ | Easy | |
1270 | ✓ | ✓ | ✓ | Medium | |
1269 | 停在原地的方案数 | ✓ | ✓ | ✓ | Hard |
1268 | 搜索推荐系统 | ✓ | ✓ | ✓ | Medium |
1267 | 统计参与通信的服务器 | ✓ | ✓ | ✓ | Medium |
1266 | 访问所有点的最小时间 | ✓ | ✓ | ✓ | Easy |
1265 | ✓ | ✓ | ✓ | Medium | |
1264 | ✓ | ✓ | ✓ | Medium | |
1263 | ✓ | ✓ | ✓ | Hard | |
1262 | ✓ | ✓ | ✓ | Medium | |
1261 | ✓ | ✓ | ✓ | Medium | |
1260 | ✓ | ✓ | ✓ | Easy | |
1259 | ✓ | ✓ | ✓ | Hard | |
1258 | ✓ | ✓ | ✓ | Medium | |
1257 | ✓ | ✓ | ✓ | Medium | |
1256 | ✓ | ✓ | ✓ | Medium | |
1255 | 得分最高的单词集合 | ✓ | ✓ | ✓ | Hard |
1254 | 统计封闭岛屿的数目 | ✓ | ✓ | ✓ | Medium |
1253 | 重构 2 行二进制矩阵 | ✓ | ✓ | ✓ | Medium |
1252 | 奇数值单元格的数目 | ✓ | ✓ | ✓ | Easy |
1251 | ✓ | ✓ | ✓ | Easy | |
1250 | 检查好数组 | ✓ | ✓ | ✓ | Hard |
1249 | 移除无效的括号 | ✓ | ✓ | ✓ | Medium |
1248 | 统计优美子数组 | ✓ | ✓ | ✓ | Medium |
1247 | 交换字符使得字符串相同 | ✓ | ✓ | ✓ | Medium |
1246 | ✓ | ✓ | ✓ | Hard | |
1245 | ✓ | ✓ | ✓ | Medium | |
1244 | ✓ | ✓ | ✓ | Medium | |
1243 | ✓ | ✓ | ✓ | Easy | |
1242 | ✓ | ✓ | ✓ | Medium | |
1241 | ✓ | ✓ | ✓ | Easy | |
1240 | 铺瓷砖 | ✓ | ✓ | ✓ | Hard |
1239 | 串联字符串的最大长度 | ✓ | ✓ | ✓ | Medium |
1238 | 循环码排列 | ✓ | ✓ | ✓ | Medium |
1237 | 找出给定方程的正整数解 | ✓ | ✓ | ✓ | Easy |
1236 | ✓ | ✓ | ✓ | Medium | |
1235 | 规划兼职工作 | ✓ | ✓ | ✓ | Hard |
1234 | 替换子串得到平衡字符串 | ✓ | ✓ | ✓ | Medium |
1233 | 删除子文件夹 | ✓ | ✓ | ✓ | Medium |
1232 | 缀点成线 | ✓ | ✓ | ✓ | Easy |
1231 | ✓ | ✓ | ✓ | Hard | |
1230 | ✓ | ✓ | ✓ | Medium | |
1229 | ✓ | ✓ | ✓ | Medium | |
1228 | ✓ | ✓ | ✓ | Easy | |
1227 | 飞机座位分配概率 | ✓ | ✓ | ✓ | Medium |
1226 | 哲学家进餐 | ✓ | ✓ | ✓ | Medium |
1225 | 报告系统状态的连续日期 | ✓ | ✓ | ✓ | Hard |
1224 | 最大相等频率 | ✓ | ✓ | ✓ | Hard |
1223 | 掷骰子模拟 | ✓ | ✓ | ✓ | Medium |
1222 | 可以攻击国王的皇后 | ✓ | ✓ | ✓ | Medium |
1221 | 分割平衡字符串 | ✓ | ✓ | ✓ | Easy |
1220 | 统计元音字母序列的数目 | ✓ | ✓ | ✓ | Hard |
1219 | 黄金矿工 | ✓ | ✓ | ✓ | Medium |
1218 | 最长定差子序列 | ✓ | ✓ | ✓ | Medium |
1217 | 玩筹码 | ✓ | ✓ | ✓ | Easy |
1216 | 验证回文字符串III | ✓ | ✓ | ✓ | Hard |
1215 | 步进数 | ✓ | ✓ | ✓ | Medium |
1214 | 查找两棵二叉搜索树之和 | ✓ | ✓ | ✓ | Medium |
1213 | 三个有序数组的交集 | ✓ | ✓ | ✓ | Easy |
1212 | ✓ | ✓ | ✓ | Medium | |
1211 | ✓ | ✓ | ✓ | Easy | |
1210 | 穿过迷宫的最少移动次数 | ✓ | ✓ | ✓ | Hard |
1209 | 删除字符串中的所有相邻重复项II | ✓ | ✓ | ✓ | Medium |
1208 | 尽可能使字符串相等 | ✓ | ✓ | ✓ | Medium |
1207 | 独一无二的出现次数 | ✓ | ✓ | ✓ | Easy |
1206 | ✓ | ✓ | ✓ | Hard | |
1205 | ✓ | ✓ | ✓ | Medium | |
1204 | ✓ | ✓ | ✓ | Medium | |
1203 | 项目管理 | ✓ | ✓ | ✓ | Hard |
1202 | 交换字符串中的元素 | ✓ | ✓ | ✓ | Medium |
1201 | 丑数III | ✓ | ✓ | ✓ | Medium |
1200 | 最小绝对差 | ✓ | ✓ | ✓ | Easy |
1199 | 建造街区的最短时间 | ✓ | ✓ | ✓ | Hard |
1198 | 找出所有行中最小公共元素 | ✓ | ✓ | ✓ | Medium |
1197 | 进击的骑士 | ✓ | ✓ | ✓ | Medium |
1196 | 最多可以买到的苹果数量 | ✓ | ✓ | ✓ | Easy |
1195 | FizzBuzz多线程 | ✓ | ✓ | ✓ | Medium |
1194 | ✓ | ✓ | ✓ | Hard | |
1193 | ✓ | ✓ | ✓ | Medium | |
1192 | 查找集群内的关键连接 | ✓ | ✓ | ✓ | Hard |
1191 | K次串联后最大子数组之和 | ✓ | ✓ | ✓ | Medium |
1190 | 反转每对括号间的子串 | ✓ | ✓ | ✓ | Medium |
1189 | 气球的最大数量 | ✓ | ✓ | ✓ | Easy |
1188 | ✓ | ✓ | ✓ | Medium | |
1187 | 使数组严格递增 | ✓ | ✓ | ✓ | Hard |
1186 | 删除一次得到子数组最大和 | ✓ | ✓ | ✓ | Medium |
1185 | 一周中的第几天 | ✓ | ✓ | ✓ | Easy |
1184 | 公交站间的距离 | ✓ | ✓ | ✓ | Easy |
1183 | 矩阵中1的最大数量 | ✓ | ✓ | ✓ | Hard |
1182 | 与目标颜色间的最短距离 | ✓ | ✓ | ✓ | Medium |
1181 | 前后拼接 | ✓ | ✓ | ✓ | Medium |
1180 | 统计只含单一字母的子串 | ✓ | ✓ | ✓ | Easy |
1179 | 重新格式化部门表 | ✓ | ✓ | ✓ | Easy |
1178 | 猜字谜 | ✓ | ✓ | ✓ | Hard |
1177 | 构建回文串检测 | ✓ | ✓ | ✓ | Medium |
1176 | 健身计划评估 | ✓ | ✓ | ✓ | Easy |
1175 | 质数排列 | ✓ | ✓ | ✓ | Easy |
1174 | ✓ | ✓ | ✓ | Medium | |
1173 | ✓ | ✓ | ✓ | Easy | |
1172 | 餐盘栈 | ✓ | ✓ | ✓ | Hard |
1171 | 从链表中删去总和值为零的连续节点 | ✓ | ✓ | ✓ | Medium |
1170 | 比较字符串最小字母出现频次 | ✓ | ✓ | ✓ | Easy |
1169 | 查询无效交易 | ✓ | ✓ | ✓ | Easy |
1168 | 水资源分配优化 | ✓ | ✓ | ✓ | Hard |
1167 | 连接棒材的最低费用 | ✓ | ✓ | ✓ | Medium |
1166 | 设计文件系统 | ✓ | ✓ | ✓ | Medium |
1165 | 单行键盘 | ✓ | ✓ | ✓ | Easy |
1164 | ✓ | ✓ | ✓ | Medium | |
1163 | 按字典序排在最后的子串 | ✓ | ✓ | ✓ | Hard |
1162 | 地图分析 | ✓ | ✓ | ✓ | Medium |
1161 | 最大层内元素和 | ✓ | ✓ | ✓ | Medium |
1160 | 拼写单词 | ✓ | ✓ | ✓ | Easy |
1159 | ✓ | ✓ | ✓ | Hard | |
1158 | ✓ | ✓ | ✓ | Medium | |
1157 | 子数组中占绝大多数的元素 | ✓ | ✓ | ✓ | Hard |
1156 | 单字符重复子串的最大长度 | ✓ | ✓ | ✓ | Medium |
1155 | 掷骰子的N种方法 | ✓ | ✓ | ✓ | Medium |
1154 | 一年中的第几天 | ✓ | ✓ | ✓ | Easy |
1153 | 字符串转化 | ✓ | ✓ | ✓ | Hard |
1152 | 用户网站访问行为分析 | ✓ | ✓ | ✓ | Medium |
1151 | 最少交换次数来组合所有的1 | ✓ | ✓ | ✓ | Medium |
1150 | 检查一个数是否在数组中占绝大多数 | ✓ | ✓ | ✓ | Easy |
1149 | ✓ | ✓ | ✓ | Medium | |
1148 | ✓ | ✓ | ✓ | Easy | |
1147 | 段式回文 | ✓ | ✓ | ✓ | Hard |
1146 | 快照数组 | ✓ | ✓ | ✓ | Medium |
1145 | 二叉树着色游戏 | ✓ | ✓ | ✓ | Hard |
1144 | 递减元素使数组呈锯齿状 | ✓ | ✓ | ✓ | Easy |
1143 | 最长公共子序列 | ✓ | ✓ | ✓ | Easy |
1142 | ✓ | ✓ | ✓ | Medium | |
1141 | ✓ | ✓ | ✓ | Medium | |
1140 | 石子游戏II | ✓ | ✓ | ✓ | Medium |
1139 | 最大的以1为边界的正方形 | ✓ | ✓ | ✓ | Medium |
1138 | 字母板上的路径 | ✓ | ✓ | ✓ | Medium |
1137 | 第N个泰波那契数 | ✓ | ✓ | ✓ | Easy |
1136 | 平行课程 | ✓ | ✓ | ✓ | Hard |
1135 | 最低成本联通所有城市 | ✓ | ✓ | ✓ | Medium |
1134 | 阿姆斯特朗数 | ✓ | ✓ | ✓ | Hard |
1133 | 最大唯一数 | ✓ | ✓ | ✓ | Easy |
1132 | ✓ | ✓ | ✓ | Easy | |
1131 | 绝对值表达式的最大值 | ✓ | ✓ | ✓ | Medium |
1130 | 叶值的最小代价生成树 | ✓ | ✓ | ✓ | Medium |
1129 | 颜色交替的最短路径 | ✓ | ✓ | ✓ | Medium |
1128 | 等价多米诺骨牌对的数量 | ✓ | ✓ | ✓ | Easy |
1127 | ✓ | ✓ | ✓ | Hard | |
1126 | ✓ | ✓ | ✓ | Medium | |
1125 | 最小的必要团队 | ✓ | ✓ | ✓ | Hard |
1124 | 表现良好的最长时间段 | ✓ | ✓ | ✓ | Medium |
1123 | 最深叶节点的最近公共祖先 | ✓ | ✓ | ✓ | Medium |
1122 | 数组的相对排序 | ✓ | ✓ | ✓ | Easy |
1121 | 将数组分成几个递增序列 | ✓ | ✓ | ✓ | Hard |
1120 | 子树的最大平均值 | ✓ | ✓ | ✓ | Medium |
1119 | 删去字符串中的元音 | ✓ | ✓ | ✓ | Easy |
1118 | 一月有多少天 | ✓ | ✓ | ✓ | Easy |
1117 | H2O生成 | ✓ | ✓ | ✓ | Hard |
1116 | 打印零与奇偶数 | ✓ | ✓ | ✓ | Medium |
1115 | 交替打印FooBar | ✓ | ✓ | ✓ | Medium |
1114 | 按序打印 | ✓ | ✓ | ✓ | Easy |
1113 | ✓ | ✓ | ✓ | Easy | |
1112 | ✓ | ✓ | ✓ | Medium | |
1111 | 有效括号的嵌套深度 | ✓ | ✓ | ✓ | Medium |
1110 | 删点成林 | ✓ | ✓ | ✓ | Medium |
1109 | 航班预订统计 | ✓ | ✓ | ✓ | Medium |
1108 | IP地址无效化 | ✓ | ✓ | ✓ | Easy |
1107 | ✓ | ✓ | ✓ | Medium | |
1106 | 解析布尔表达式 | ✓ | ✓ | ✓ | Hard |
1105 | 填充书架 | ✓ | ✓ | ✓ | Medium |
1104 | 二叉树寻路 | ✓ | ✓ | ✓ | Easy |
1103 | 分糖果II | ✓ | ✓ | ✓ | Easy |
1102 | 得分最高的路径 | ✓ | ✓ | ✓ | Medium |
1101 | 彼此熟识的最早时间 | ✓ | ✓ | ✓ | Medium |
1100 | 长度为K的无重复字符子串 | ✓ | ✓ | ✓ | Medium |
1099 | 小于K的两数之和 | ✓ | ✓ | ✓ | Easy |
1098 | ✓ | ✓ | ✓ | Medium | |
1097 | ✓ | ✓ | ✓ | Hard | |
1096 | 花括号展开II | ✓ | ✓ | ✓ | Hard |
1095 | 山脉数组中查找目标值 | ✓ | ✓ | ✓ | Hard |
1094 | 拼车 | ✓ | ✓ | ✓ | Medium |
1093 | 大样本统计 | ✓ | ✓ | ✓ | Medium |
1092 | 最短公共超序列 | ✓ | ✓ | ✓ | Hard |
1091 | 二进制矩阵中的最短路径 | ✓ | ✓ | ✓ | Medium |
1090 | 受标签影响的最大值 | ✓ | ✓ | ✓ | Medium |
1089 | 复写零 | ✓ | ✓ | ✓ | Easy |
1088 | 易混淆数II | ✓ | ✓ | ✓ | Hard |
1087 | 字母切换 | ✓ | ✓ | ✓ | Medium |
1086 | 前五科的均分 | ✓ | ✓ | ✓ | Easy |
1085 | 最小元素各数位之和 | ✓ | ✓ | ✓ | Easy |
1084 | ✓ | ✓ | ✓ | Easy | |
1083 | ✓ | ✓ | ✓ | Easy | |
1082 | ✓ | ✓ | ✓ | Easy | |
1081 | 不同字符的最小子序列 | ✓ | ✓ | ✓ | Medium |
1080 | 根到叶路径上的不足节点 | ✓ | ✓ | ✓ | Medium |
1079 | 活字印刷 | ✓ | ✓ | ✓ | Medium |
1078 | Bigram分词 | ✓ | ✓ | ✓ | Easy |
1077 | [ProjectEmployeesIII $] | ✓ | ✓ | ✓ | Medium |
1076 | [ProjectEmployeesII $] | ✓ | ✓ | ✓ | Easy |
1075 | [ProjectEmployeesI $] | ✓ | ✓ | ✓ | Easy |
1074 | 元素和为目标值的子矩阵数量 | ✓ | ✓ | ✓ | Hard |
1073 | 负二进制数相加 | ✓ | ✓ | ✓ | Medium |
1072 | 按列翻转得到最大值等行数 | ✓ | ✓ | ✓ | Medium |
1071 | 字符串的最大公因子 | ✓ | ✓ | ✓ | Easy |
1070 | [产品销售分析III $] | ✓ | ✓ | ✓ | Medium |
1069 | [产品销售分析II $] | ✓ | ✓ | ✓ | Easy |
1068 | [产品销售分析I $] | ✓ | ✓ | ✓ | Easy |
1067 | 范围内的数字计数 | ✓ | ✓ | ✓ | Hard |
1066 | 校园自行车分配II | ✓ | ✓ | ✓ | Medium |
1065 | 字符串的索引对 | ✓ | ✓ | ✓ | Easy |
1064 | 不动点 | ✓ | ✓ | ✓ | Easy |
1063 | [有效子数组数 $] | ✓ | ✓ | ✓ | Hard |
1062 | [最长重复子字符串 $] | ✓ | ✓ | ✓ | Medium |
1061 | [词典最小等价字符串 $] | ✓ | ✓ | ✓ | Medium |
1060 | [排序数组中缺少元素 $] | ✓ | ✓ | ✓ | Medium |
1059 | [从源头到目的地的所有路径 $] | ✓ | ✓ | ✓ | Hard |
1058 | [最小化舍入误差以达到目标 $] | ✓ | ✓ | ✓ | Medium |
1057 | [校园自行车 $] | ✓ | ✓ | ✓ | Medium |
1056 | [混淆的数字 $] | ✓ | ✓ | ✓ | Easy |
1055 | [形成字符串的最短方法 $] | ✓ | ✓ | ✓ | Medium |
1054 | 距离相等的条形码 | ✓ | ✓ | ✓ | Medium |
1053 | 交换一次的先前排列 | ✓ | ✓ | ✓ | Medium |
1052 | 爱生气的书店老板 | ✓ | ✓ | ✓ | Medium |
1051 | 高度检查器 | ✓ | ✓ | ✓ | Easy |
1050 | 合作至少三次的演员和导演 | ✓ | ✓ | ✓ | Easy |
1049 | 最后一块石头的重量II | ✓ | ✓ | ✓ | Medium |
1048 | 最长字符串链 | ✓ | ✓ | ✓ | Medium |
1047 | 删除字符串中的所有相邻重复项 | ✓ | ✓ | ✓ | Easy |
1046 | 最后一块石头的重量 | ✓ | ✓ | ✓ | Easy |
1045 | 购买所有产品的客户 | ✓ | ✓ | ✓ | Medium |
1043 | 分隔数组以得到最大和 | ✓ | ✓ | ✓ | Medium |
1042 | 不邻接植花 | ✓ | ✓ | ✓ | Easy |
1041 | 困于环中的机器人 | ✓ | ✓ | ✓ | Easy |
1040 | 移动石子直到连续II | ✓ | ✓ | ✓ | Medium |
1039 | 多边形三角剖分的最低得分 | ✓ | ✓ | ✓ | Medium |
1038 | 从二叉搜索树到更大和树 | ✓ | ✓ | ✓ | Medium |
1037 | 有效的回旋镖 | ✓ | ✓ | ✓ | Easy |
1036 | 逃离大迷宫 | ✓ | ✓ | ✓ | Hard |
1035 | 不相交的线 | ✓ | ✓ | ✓ | Medium |
1034 | 边框着色 | ✓ | ✓ | ✓ | Medium |
1033 | 移动石子直到连续 | ✓ | ✓ | ✓ | Easy |
1032 | 字符流 | ✓ | ✓ | ✓ | Hard |
1031 | 两个非重叠子数组的最大和 | ✓ | ✓ | ✓ | Medium |
1030 | 距离顺序排列矩阵单元格 | ✓ | ✓ | ✓ | Easy |
1029 | 两地调度 | ✓ | ✓ | ✓ | Easy |
1028 | 从先序遍历还原二叉树 | ✓ | ✓ | ✓ | Hard |
1027 | 最长等差数列 | ✓ | ✓ | ✓ | Medium |
1026 | 节点与其祖先之间的最大差值 | ✓ | ✓ | ✓ | Medium |
1025 | 除数博弈 | ✓ | ✓ | ✓ | Easy |
1024 | 视频拼接 | ✓ | ✓ | ✓ | Medium |
1023 | 驼峰式匹配 | ✓ | ✓ | ✓ | Medium |
1022 | 从根到叶的二进制数之和 | ✓ | ✓ | ✓ | Easy |
1021 | 删除最外层的括号 | ✓ | ✓ | ✓ | Easy |
1020 | 飞地的数量 | ✓ | ✓ | ✓ | Medium |
1019 | 链表中的下一个更大节点 | ✓ | ✓ | ✓ | Medium |
1018 | 可被5整除的二进制前缀 | ✓ | ✓ | ✓ | Easy |
1017 | 负二进制转换 | ✓ | ✓ | ✓ | Medium |
1016 | 子串能表示从1到N数字的二进制串 | ✓ | ✓ | ✓ | Medium |
1015 | 可被K整除的最小整数 | ✓ | ✓ | ✓ | Medium |
1014 | 最佳观光组合 | ✓ | ✓ | ✓ | Medium |
1013 | 将数组分成和相等的三个部分 | ✓ | ✓ | ✓ | Easy |
1012 | 至少有1位重复的数字 | ✓ | ✓ | ✓ | Hard |
1011 | 在D天内送达包裹的能力 | ✓ | ✓ | ✓ | Medium |
1010 | 总持续时间可被60整除的歌曲 | ✓ | ✓ | ✓ | Easy |
1009 | 十进制整数的补码 | ✓ | ✓ | ✓ | Easy |
1008 | 先序遍历构造二叉树 | ✓ | ✓ | ✓ | Medium |
1007 | 行相等的最少多米诺旋转 | ✓ | ✓ | ✓ | Medium |
1006 | 笨阶乘 | ✓ | ✓ | ✓ | Medium |
1005 | K次取反后最大化的数组和 | ✓ | ✓ | ✓ | Easy |
1004 | 最大连续1的个数III | ✓ | ✓ | ✓ | Medium |
1003 | 检查替换后的词是否有效 | ✓ | ✓ | ✓ | Medium |
1002 | 查找常用字符 | ✓ | ✓ | ✓ | Easy |
1001 | 网格照明 | ✓ | ✓ | ✓ | Hard |
1000 | 合并石头的最低成本 | ✓ | ✓ | ✓ | Hard |
999 | 车的可用捕获量 | ✓ | ✓ | ✓ | Easy |
998 | 最大二叉树II | ✓ | ✓ | ✓ | Medium |
997 | 找到小镇的法官 | ✓ | ✓ | ✓ | Easy |
996 | 正方形数组的数目 | ✓ | ✓ | ✓ | Hard |
995 | K连续位的最小翻转次数 | ✓ | ✓ | ✓ | Hard |
994 | 腐烂的橘子 | ✓ | ✓ | ✓ | Easy |
993 | 二叉树的堂兄弟节点 | ✓ | ✓ | ✓ | Easy |
992 | K个不同整数的子数组 | ✓ | ✓ | ✓ | Hard |
991 | 坏了的计算器 | ✓ | ✓ | ✓ | Medium |
990 | 等式方程的可满足性 | ✓ | ✓ | ✓ | Medium |
989 | 数组形式的整数加法 | ✓ | ✓ | ✓ | Easy |
988 | 从叶结点开始的最小字符串 | ✓ | ✓ | ✓ | Medium |
987 | 二叉树的垂序遍历 | ✓ | ✓ | ✓ | Medium |
986 | 区间列表的交集 | ✓ | ✓ | ✓ | Medium |
985 | 查询后的偶数和 | ✓ | ✓ | ✓ | Easy |
984 | 不含AAA或BBB的字符串 | ✓ | ✓ | ✓ | Medium |
983 | 最低票价 | ✓ | ✓ | ✓ | Medium |
982 | 按位与为零的三元组 | ✓ | ✓ | ✓ | Hard |
981 | 基于时间的键值存储 | ✓ | ✓ | ✓ | Medium |
980 | 不同路径III | ✓ | ✓ | ✓ | Hard |
979 | 在二叉树中分配硬币 | ✓ | ✓ | ✓ | Medium |
978 | 最长湍流子数组 | ✓ | ✓ | ✓ | Medium |
977 | 有序数组的平方 | ✓ | ✓ | ✓ | Easy |
976 | 三角形的最大周长 | ✓ | ✓ | ✓ | Easy |
975 | 奇偶跳 | ✓ | ✓ | ✓ | Hard |
974 | 和可被K整除的子数组 | ✓ | ✓ | ✓ | Medium |
973 | 最接近原点的K个点 | ✓ | ✓ | ✓ | Medium |
972 | 相等的有理数 | ✓ | ✓ | ✓ | Hard |
971 | 翻转二叉树以匹配先序遍历 | ✓ | ✓ | ✓ | Medium |
970 | 强整数 | ✓ | ✓ | ✓ | Easy |
969 | 煎饼排序 | ✓ | ✓ | ✓ | Medium |
968 | 监控二叉树 | ✓ | ✓ | ✓ | Hard |
967 | 连续差相同的数字 | ✓ | ✓ | ✓ | Medium |
966 | 元音拼写检查器 | ✓ | ✓ | ✓ | Medium |
965 | 单值二叉树 | ✓ | ✓ | ✓ | Easy |
964 | 表示数字的最少运算符 | ✓ | ✓ | ✓ | Hard |
963 | 最小面积矩形II | ✓ | ✓ | ✓ | Medium |
962 | 最大宽度坡 | ✓ | ✓ | ✓ | Medium |
961 | 重复N次的元素 | ✓ | ✓ | ✓ | Easy |
960 | 删列造序III | ✓ | ✓ | ✓ | Hard |
959 | 由斜杠划分区域 | ✓ | ✓ | ✓ | Medium |
958 | 二叉树的完全性检验 | ✓ | ✓ | ✓ | Medium |
957 | N天后的牢房 | ✓ | ✓ | ✓ | Medium |
956 | 最高的广告牌 | ✓ | ✓ | ✓ | Hard |
955 | 删列造序II | ✓ | ✓ | ✓ | Medium |
954 | 二倍数对数组 | ✓ | ✓ | ✓ | Medium |
953 | 验证外星语词典 | ✓ | ✓ | ✓ | Easy |
952 | 按公因数计算最大组件大小 | ✓ | ✓ | ✓ | Hard |
951 | 翻转等价二叉树 | ✓ | ✓ | ✓ | Medium |
950 | 按递增顺序显示卡牌 | ✓ | ✓ | ✓ | Medium |
949 | 给定数字能组成的最大时间 | ✓ | ✓ | ✓ | Easy |
948 | 令牌放置 | ✓ | ✓ | ✓ | Medium |
947 | 移除最多的同行或同列石头 | ✓ | ✓ | ✓ | Medium |
946 | 验证栈序列 | ✓ | ✓ | ✓ | Medium |
945 | 使数组唯一的最小增量 | ✓ | ✓ | ✓ | Medium |
944 | 删除列以使之有序 | ✓ | ✓ | ✓ | Easy |
943 | 最短超级串 | ✓ | ✓ | ✓ | Hard |
942 | 增减字符串匹配 | ✓ | ✓ | ✓ | Easy |
941 | 有效的山脉数组 | ✓ | ✓ | ✓ | Easy |
940 | 不同的子序列II | ✓ | ✓ | ✓ | Hard |
939 | 最小面积矩形 | ✓ | ✓ | ✓ | Medium |
938 | 二叉搜索树的范围和 | ✓ | ✓ | ✓ | Medium |
937 | 重新排列日志文件 | ✓ | ✓ | ✓ | Easy |
936 | 戳印序列 | ✓ | ✓ | ✓ | Hard |
935 | 骑士拨号器 | ✓ | ✓ | ✓ | Medium |
934 | 最短的桥 | ✓ | ✓ | ✓ | Medium |
933 | 最近的请求次数 | ✓ | ✓ | ✓ | Easy |
932 | 漂亮数组 | ✓ | ✓ | ✓ | Medium |
931 | 下降路径最小和 | ✓ | ✓ | ✓ | Medium |
930 | 和相同的二元子数组 | ✓ | ✓ | ✓ | Medium |
929 | 独特的电子邮件地址 | ✓ | ✓ | ✓ | Easy |
928 | 尽量减少恶意软件的传播II | ✓ | ✓ | ✓ | Hard |
927 | 三等分 | ✓ | ✓ | ✓ | Hard |
926 | 将字符串翻转到单调递增 | ✓ | ✓ | ✓ | Medium |
925 | 长按键入 | ✓ | ✓ | ✓ | Easy |
924 | 尽量减少恶意软件的传播 | ✓ | ✓ | ✓ | Hard |
923 | 三数之和的多种可能 | ✓ | ✓ | ✓ | Medium |
922 | 按奇偶排序数组II | ✓ | ✓ | ✓ | Easy |
921 | 使括号有效的最少添加 | ✓ | ✓ | ✓ | Medium |
920 | 播放列表的数量 | ✓ | ✓ | ✓ | Hard |
919 | 完全二叉树插入器 | ✓ | ✓ | ✓ | Medium |
918 | 环形子数组的最大和 | ✓ | ✓ | ✓ | Medium |
917 | 仅仅反转字母 | ✓ | ✓ | ✓ | Easy |
916 | 单词子集 | ✓ | ✓ | ✓ | Medium |
915 | 将分区数组分成不相交的间隔 | ✓ | ✓ | ✓ | Medium |
914 | 一副牌中的X | ✓ | ✓ | ✓ | Easy |
913 | 猫与老鼠 | ✓ | ✓ | ✓ | Hard |
912 | 排序数组 | ✓ | ✓ | ✓ | Medium |
911 | 在线选举 | ✓ | ✓ | ✓ | Medium |
910 | 最小差值II | ✓ | ✓ | ✓ | Medium |
909 | 蛇梯棋 | ✓ | ✓ | ✓ | Medium |
908 | 最小差值I | ✓ | ✓ | ✓ | Easy |
907 | 子数组的最小值之和 | ✓ | ✓ | ✓ | Medium |
906 | 超级回文数 | ✓ | ✓ | ✓ | Hard |
905 | 按奇偶排序数组 | ✓ | ✓ | ✓ | Easy |
904 | 水果成篮 | ✓ | ✓ | ✓ | Medium |
903 | DI序列的有效排列 | ✓ | ✓ | ✓ | Hard |
902 | 最大为N的数字组合 | ✓ | ✓ | ✓ | Hard |
901 | 股票价格跨度 | ✓ | ✓ | ✓ | Medium |
900 | RLE迭代器 | ✓ | ✓ | ✓ | Medium |
899 | 有序队列 | ✓ | ✓ | ✓ | Hard |
898 | 子数组按位或操作 | ✓ | ✓ | ✓ | Medium |
897 | 递增顺序查找树 | ✓ | ✓ | ✓ | Easy |
896 | 单调数列 | ✓ | ✓ | ✓ | Easy |
895 | 最大频率栈 | ✓ | ✓ | ✓ | Hard |
894 | 所有可能的满二叉树 | ✓ | ✓ | ✓ | Medium |
893 | 特殊等价字符串组 | ✓ | ✓ | ✓ | Easy |
892 | 三维形体的表面积 | ✓ | ✓ | ✓ | Easy |
891 | 子序列宽度之和 | ✓ | ✓ | ✓ | Hard |
890 | 查找和替换模式 | ✓ | ✓ | ✓ | Medium |
889 | 根据前序和后序遍历构造二叉树 | ✓ | ✓ | ✓ | Medium |
888 | 公平的糖果交换 | ✓ | ✓ | ✓ | Easy |
887 | 鸡蛋掉落 | ✓ | ✓ | ✓ | Hard |
886 | 可能的二分法 | ✓ | ✓ | ✓ | Medium |
885 | 螺旋矩阵III | ✓ | ✓ | ✓ | Medium |
884 | 两句话中的不常见单词 | ✓ | ✓ | ✓ | Easy |
883 | 三维形体投影面积 | ✓ | ✓ | ✓ | Easy |
882 | 细分图中的可到达结点 | ✓ | ✓ | ✓ | Hard |
881 | 救生艇 | ✓ | ✓ | ✓ | Medium |
880 | 索引处的解码字符串 | ✓ | ✓ | ✓ | Medium |
879 | 盈利计划 | ✓ | ✓ | ✓ | Hard |
878 | 第N个神奇数字 | ✓ | ✓ | ✓ | Hard |
877 | 石子游戏 | ✓ | ✓ | ✓ | Medium |
876 | 链表的中间结点 | ✓ | ✓ | ✓ | Easy |
875 | 爱吃香蕉的珂珂 | ✓ | ✓ | ✓ | Medium |
874 | 模拟行走机器人 | ✓ | ✓ | ✓ | Easy |
873 | 最长的斐波那契子序列的长度 | ✓ | ✓ | ✓ | Medium |
872 | 叶子相似的树 | ✓ | ✓ | ✓ | Easy |
871 | 最低加油次数 | ✓ | ✓ | ✓ | Hard |
870 | 优势洗牌 | ✓ | ✓ | ✓ | Medium |
869 | 重新排序得到2的幂 | ✓ | ✓ | ✓ | Medium |
868 | 二进制间距 | ✓ | ✓ | ✓ | Easy |
867 | 转置矩阵 | ✓ | ✓ | ✓ | Easy |
866 | 回文素数 | ✓ | ✓ | ✓ | Medium |
865 | 具有所有最深结点的最小子树 | ✓ | ✓ | ✓ | Medium |
864 | 获取所有钥匙的最短路径 | ✓ | ✓ | ✓ | Hard |
863 | 二叉树中所有距离为K的结点 | ✓ | ✓ | ✓ | Medium |
862 | 和至少为K的最短子数组 | ✓ | ✓ | ✓ | Hard |
861 | 翻转矩阵后的得分 | ✓ | ✓ | ✓ | Medium |
860 | 柠檬水找零 | ✓ | ✓ | ✓ | Easy |
859 | 亲密字符串 | ✓ | ✓ | ✓ | Easy |
858 | 镜面反射 | ✓ | ✓ | ✓ | Medium |
857 | 雇佣K名工人的最低成本 | ✓ | ✓ | ✓ | Hard |
856 | 括号的分数 | ✓ | ✓ | ✓ | Medium |
855 | 考场就座 | ✓ | ✓ | ✓ | Medium |
854 | 相似度为K的字符串 | ✓ | ✓ | ✓ | Hard |
853 | 车队 | ✓ | ✓ | ✓ | Medium |
852 | 山脉数组的峰顶索引 | ✓ | ✓ | ✓ | Easy |
851 | 喧闹和富有 | ✓ | ✓ | ✓ | Medium |
850 | 矩形面积II | ✓ | ✓ | ✓ | Hard |
849 | 到最近的人的最大距离 | ✓ | ✓ | ✓ | Easy |
848 | 字母移位 | ✓ | ✓ | ✓ | Medium |
847 | 访问所有节点的最短路径 | ✓ | ✓ | ✓ | Hard |
846 | 一手顺子 | ✓ | ✓ | ✓ | Medium |
845 | 数组中的最长山脉 | ✓ | ✓ | ✓ | Medium |
844 | 比较含退格的字符串 | ✓ | ✓ | ✓ | Easy |
843 | 猜猜这个单词 | ✓ | ✓ | ✓ | Hard |
842 | 将数组拆分成斐波那契序列 | ✓ | ✓ | ✓ | Medium |
841 | 钥匙和房间 | ✓ | ✓ | ✓ | Medium |
840 | 矩阵中的幻方 | ✓ | ✓ | ✓ | Easy |
839 | 相似字符串组 | ✓ | ✓ | ✓ | Hard |
838 | 推多米诺 | ✓ | ✓ | ✓ | Medium |
837 | 新21点 | ✓ | ✓ | ✓ | Medium |
836 | 矩形重叠 | ✓ | ✓ | ✓ | Easy |
835 | 图像重叠 | ✓ | ✓ | ✓ | Medium |
834 | 树中距离之和 | ✓ | ✓ | ✓ | Hard |
833 | 字符串中的查找与替换 | ✓ | ✓ | ✓ | Medium |
832 | 翻转图像 | ✓ | ✓ | ✓ | Easy |
831 | 隐藏个人信息 | ✓ | ✓ | ✓ | Medium |
830 | 较大分组的位置 | ✓ | ✓ | ✓ | Easy |
829 | 连续整数求和 | ✓ | ✓ | ✓ | Hard |
828 | 独特字符串 | ✓ | ✓ | ✓ | Hard |
827 | 最大人工岛 | ✓ | ✓ | ✓ | Hard |
826 | 安排工作以达到最大收益 | ✓ | ✓ | ✓ | Medium |
825 | 适龄的朋友 | ✓ | ✓ | ✓ | Medium |
824 | 山羊拉丁文 | ✓ | ✓ | ✓ | Easy |
823 | 带因子的二叉树 | ✓ | ✓ | ✓ | Medium |
822 | 翻转卡片游戏 | ✓ | ✓ | ✓ | Medium |
821 | 字符的最短距离 | ✓ | ✓ | ✓ | Easy |
820 | 单词的压缩编码 | ✓ | ✓ | ✓ | Medium |
819 | 最常见的单词 | ✓ | ✓ | ✓ | Easy |
818 | 赛车 | ✓ | ✓ | ✓ | Hard |
817 | 链表组件 | ✓ | ✓ | ✓ | Medium |
816 | 模糊坐标 | ✓ | ✓ | ✓ | Medium |
815 | 公交路线 | ✓ | ✓ | ✓ | Hard |
814 | 二叉树剪枝 | ✓ | ✓ | ✓ | Medium |
813 | 最大平均值和的分组 | ✓ | ✓ | ✓ | Medium |
812 | 最大三角形面积 | ✓ | ✓ | ✓ | Easy |
811 | 子域名访问计数 | ✓ | ✓ | ✓ | Easy |
810 | 黑板异或游戏 | ✓ | ✓ | ✓ | Hard |
809 | 情感丰富的文字 | ✓ | ✓ | ✓ | Medium |
808 | 分汤 | ✓ | ✓ | ✓ | Medium |
807 | 保持城市天际线 | ✓ | ✓ | ✓ | Medium |
806 | 写字符串需要的行数 | ✓ | ✓ | ✓ | Easy |
805 | 数组的均值分割 | ✓ | ✓ | ✓ | Hard |
804 | 唯一摩尔斯密码词 | ✓ | ✓ | ✓ | Easy |
803 | 打砖块 | ✓ | ✓ | ✓ | Hard |
802 | 找到最终的安全状态 | ✓ | ✓ | ✓ | Medium |
801 | 使序列递增的最小交换次数 | ✓ | ✓ | ✓ | Medium |
800 | ✓ | ✓ | ✓ | Easy | |
799 | 香槟塔 | ✓ | ✓ | ✓ | Medium |
798 | 得分最高的最小轮调 | ✓ | ✓ | ✓ | Hard |
797 | 所有可能的路径 | ✓ | ✓ | ✓ | Medium |
796 | 旋转字符串 | ✓ | ✓ | ✓ | Easy |
795 | 区间子数组个数 | ✓ | ✓ | ✓ | Medium |
794 | 有效的井字游戏 | ✓ | ✓ | ✓ | Medium |
793 | 阶乘函数后K个零 | ✓ | ✓ | ✓ | Hard |
792 | 匹配子序列的单词数 | ✓ | ✓ | ✓ | Medium |
791 | 自定义字符串排序 | ✓ | ✓ | ✓ | Medium |
790 | 多米诺和托米诺平铺 | ✓ | ✓ | ✓ | Medium |
789 | 逃脱阻碍者 | ✓ | ✓ | ✓ | Medium |
788 | 旋转数字 | ✓ | ✓ | ✓ | Easy |
787 | K站中转内最便宜的航班 | ✓ | ✓ | ✓ | Medium |
786 | 第K个最小的素数分数 | ✓ | ✓ | ✓ | Hard |
785 | 判断二分图 | ✓ | ✓ | ✓ | Medium |
784 | 字母大小写全排列 | ✓ | ✓ | ✓ | Easy |
783 | 二叉搜索树结点最小距离 | ✓ | ✓ | ✓ | Easy |
782 | 变为棋盘 | ✓ | ✓ | ✓ | Hard |
781 | 森林中的兔子 | ✓ | ✓ | ✓ | Medium |
780 | 到达终点 | ✓ | ✓ | ✓ | Hard |
779 | 第K个语法符号 | ✓ | ✓ | ✓ | Medium |
778 | 水位上升的泳池中游泳 | ✓ | ✓ | ✓ | Hard |
777 | 在LR字符串中交换相邻字符 | ✓ | ✓ | ✓ | Medium |
776 | ✓ | ✓ | ✓ | Medium | |
775 | 全局倒置与局部倒置 | ✓ | ✓ | ✓ | Medium |
774 | ✓ | ✓ | ✓ | Hard | |
773 | 滑动谜题 | ✓ | ✓ | ✓ | Hard |
772 | ✓ | ✓ | ✓ | Hard | |
771 | 宝石与石头 | ✓ | ✓ | ✓ | Easy |
770 | 基本计算器IV | ✓ | ✓ | ✓ | Hard |
769 | 最多能完成排序的块 | ✓ | ✓ | ✓ | Medium |
768 | 最多能完成排序的块II | ✓ | ✓ | ✓ | Hard |
767 | 重构字符串 | ✓ | ✓ | ✓ | Medium |
766 | 托普利茨矩阵 | ✓ | ✓ | ✓ | Easy |
765 | 情侣牵手 | ✓ | ✓ | ✓ | Hard |
764 | 最大加号标志 | ✓ | ✓ | ✓ | Medium |
763 | 划分字母区间 | ✓ | ✓ | ✓ | Medium |
762 | 二进制表示中质数个计算置位 | ✓ | ✓ | ✓ | Easy |
761 | 特殊的二进制序列 | ✓ | ✓ | ✓ | Hard |
760 | ✓ | ✓ | ✓ | Easy | |
759 | ✓ | ✓ | ✓ | Hard | |
758 | ✓ | ✓ | ✓ | Easy | |
757 | 设置交集大小至少为2 | ✓ | ✓ | ✓ | Hard |
756 | 金字塔转换矩阵 | ✓ | ✓ | ✓ | Medium |
755 | ✓ | ✓ | ✓ | Medium | |
754 | 到达终点数字 | ✓ | ✓ | ✓ | Easy |
753 | 破解保险箱 | ✓ | ✓ | ✓ | Hard |
752 | 打开转盘锁 | ✓ | ✓ | ✓ | Medium |
751 | ✓ | ✓ | ✓ | Easy | |
750 | ✓ | ✓ | ✓ | Medium | |
749 | 隔离病毒 | ✓ | ✓ | ✓ | Hard |
748 | 最短完整词 | ✓ | ✓ | ✓ | Easy |
747 | 至少是其他数字两倍的最大数 | ✓ | ✓ | ✓ | Easy |
746 | 使用最小花费爬楼梯 | ✓ | ✓ | ✓ | Easy |
745 | 前缀和后缀搜索 | ✓ | ✓ | ✓ | Hard |
744 | 寻找比目标字母大的最小字母 | ✓ | ✓ | ✓ | Easy |
743 | 网络延迟时间 | ✓ | ✓ | ✓ | Medium |
742 | ✓ | ✓ | ✓ | Medium | |
741 | 摘樱桃 | ✓ | ✓ | ✓ | Hard |
740 | 删除与获得点数 | ✓ | ✓ | ✓ | Medium |
739 | 每日温度 | ✓ | ✓ | ✓ | Medium |
738 | 单调递增的数字 | ✓ | ✓ | ✓ | Medium |
737 | ✓ | ✓ | ✓ | Medium | |
736 | Lisp语法解析 | ✓ | ✓ | ✓ | Medium |
735 | 行星碰撞 | ✓ | ✓ | ✓ | Medium |
734 | ✓ | ✓ | ✓ | Easy | |
733 | 图像渲染 | ✓ | ✓ | ✓ | Easy |
732 | 我的日程安排表III | ✓ | ✓ | ✓ | Hard |
731 | 我的日程安排表II | ✓ | ✓ | ✓ | Medium |
730 | 统计不同回文子字符串 | ✓ | ✓ | ✓ | Hard |
729 | 我的日程安排表I | ✓ | ✓ | ✓ | Medium |
728 | 自除数 | ✓ | ✓ | ✓ | Easy |
727 | ✓ | ✓ | ✓ | Hard | |
726 | 原子的数量 | ✓ | ✓ | ✓ | Hard |
725 | 分隔链表 | ✓ | ✓ | ✓ | Medium |
724 | 寻找数组的中心索引 | ✓ | ✓ | ✓ | Easy |
723 | ✓ | ✓ | ✓ | Medium | |
722 | 删除注释 | ✓ | ✓ | ✓ | Medium |
721 | 账户合并 | ✓ | ✓ | ✓ | Medium |
720 | 词典中最长的单词 | ✓ | ✓ | ✓ | Easy |
719 | 找出第k小的距离对 | ✓ | ✓ | ✓ | Hard |
718 | 最长重复子数组 | ✓ | ✓ | ✓ | Medium |
717 | 1比特与2比特字符 | ✓ | ✓ | ✓ | Easy |
716 | ✓ | ✓ | ✓ | Easy | |
715 | Range模块 | ✓ | ✓ | ✓ | Hard |
714 | 买卖股票的最佳时机含手续费 | ✓ | ✓ | ✓ | Medium |
713 | 乘积小于K的子数组 | ✓ | ✓ | ✓ | Medium |
712 | 两个字符串的最小ASCII删除和 | ✓ | ✓ | ✓ | Medium |
711 | ✓ | ✓ | ✓ | Hard | |
710 | 黑名单中的随机数 | ✓ | ✓ | ✓ | Hard |
709 | 转换成小写字母 | ✓ | ✓ | ✓ | Easy |
708 | ✓ | ✓ | ✓ | Medium | |
707 | 设计链表 | ✓ | ✓ | ✓ | Easy |
706 | 设计哈希映射 | ✓ | ✓ | ✓ | Easy |
705 | 设计哈希集合 | ✓ | ✓ | ✓ | Easy |
704 | 二分查找 | ✓ | ✓ | ✓ | Easy |
703 | 数据流中的第K大元素 | ✓ | ✓ | ✓ | Easy |
702 | ✓ | ✓ | ✓ | Medium | |
701 | 二叉搜索树中的插入操作 | ✓ | ✓ | ✓ | Medium |
700 | 二叉搜索树中的搜索 | ✓ | ✓ | ✓ | Easy |
699 | 掉落的方块 | ✓ | ✓ | ✓ | Hard |
698 | 划分为k个相等的子集 | ✓ | ✓ | ✓ | Medium |
697 | 数组的度 | ✓ | ✓ | ✓ | Easy |
696 | 计数二进制子串 | ✓ | ✓ | ✓ | Easy |
695 | 岛屿的最大面积 | ✓ | ✓ | ✓ | Medium |
694 | ✓ | ✓ | ✓ | Medium | |
693 | 交替位二进制数 | ✓ | ✓ | ✓ | Easy |
692 | 前K个高频单词 | ✓ | ✓ | ✓ | Medium |
691 | 贴纸拼词 | ✓ | ✓ | ✓ | Hard |
690 | 员工的重要性 | ✓ | ✓ | ✓ | Easy |
689 | 三个无重叠子数组的最大和 | ✓ | ✓ | ✓ | Hard |
688 | “马”在棋盘上的概率 | ✓ | ✓ | ✓ | Medium |
687 | 最长同值路径 | ✓ | ✓ | ✓ | Easy |
686 | 重复叠加字符串匹配 | ✓ | ✓ | ✓ | Easy |
685 | 冗余连接II | ✓ | ✓ | ✓ | Hard |
684 | 冗余连接 | ✓ | ✓ | ✓ | Medium |
683 | ✓ | ✓ | ✓ | Hard | |
682 | 棒球比赛 | ✓ | ✓ | ✓ | Easy |
681 | ✓ | ✓ | ✓ | Medium | |
680 | 验证回文字符串Ⅱ | ✓ | ✓ | ✓ | Easy |
679 | 24点游戏 | ✓ | ✓ | ✓ | Medium |
678 | 有效的括号字符串 | ✓ | ✓ | ✓ | Medium |
677 | 键值映射 | ✓ | ✓ | ✓ | Medium |
676 | 实现一个魔法字典 | ✓ | ✓ | ✓ | Medium |
675 | 为高尔夫比赛砍树 | ✓ | ✓ | ✓ | Hard |
674 | 最长连续递增序列 | ✓ | ✓ | ✓ | Easy |
673 | 最长递增子序列的个数 | ✓ | ✓ | ✓ | Medium |
672 | 灯泡开关Ⅱ | ✓ | ✓ | ✓ | Medium |
671 | 二叉树中第二小的节点 | ✓ | ✓ | ✓ | Easy |
670 | 最大交换 | ✓ | ✓ | ✓ | Medium |
669 | 修剪二叉搜索树 | ✓ | ✓ | ✓ | Easy |
668 | 乘法表中第k小的数 | ✓ | ✓ | ✓ | Hard |
667 | 优美的排列II | ✓ | ✓ | ✓ | Medium |
666 | ✓ | ✓ | ✓ | Medium | |
665 | 非递减数列 | ✓ | ✓ | ✓ | Medium |
664 | 奇怪的打印机 | ✓ | ✓ | ✓ | Medium |
663 | ✓ | ✓ | ✓ | Medium | |
662 | 二叉树最大宽度 | ✓ | ✓ | ✓ | Medium |
661 | 图片平滑器 | ✓ | ✓ | ✓ | Easy |
660 | ✓ | ✓ | ✓ | Hard | |
659 | 分割数组为连续子序列 | ✓ | ✓ | ✓ | Medium |
658 | 找到K个最接近的元素 | ✓ | ✓ | ✓ | Medium |
657 | 机器人能否返回原点 | ✓ | ✓ | ✓ | Easy |
656 | ✓ | ✓ | ✓ | Hard | |
655 | 输出二叉树 | ✓ | ✓ | ✓ | Medium |
654 | 最大二叉树 | ✓ | ✓ | ✓ | Medium |
653 | 两数之和IV | ✓ | ✓ | ✓ | Easy |
652 | 寻找重复的子树 | ✓ | ✓ | ✓ | Medium |
651 | ✓ | ✓ | ✓ | Medium | |
650 | 只有两个键的键盘 | ✓ | ✓ | ✓ | Medium |
649 | Dota2参议院 | ✓ | ✓ | ✓ | Medium |
648 | 单词替换 | ✓ | ✓ | ✓ | Medium |
647 | 回文子串 | ✓ | ✓ | ✓ | Medium |
646 | 最长数对链 | ✓ | ✓ | ✓ | Medium |
645 | 错误的集合 | ✓ | ✓ | ✓ | Easy |
644 | ✓ | ✓ | ✓ | Hard | |
643 | 子数组最大平均数I | ✓ | ✓ | ✓ | Easy |
642 | ✓ | ✓ | ✓ | Hard | |
641 | 设计循环双端队列 | ✓ | ✓ | ✓ | Medium |
640 | 求解方程 | ✓ | ✓ | ✓ | Medium |
639 | 解码方法2 | ✓ | ✓ | ✓ | Hard |
638 | 大礼包 | ✓ | ✓ | ✓ | Medium |
637 | 二叉树的层平均值 | ✓ | ✓ | ✓ | Easy |
636 | 函数的独占时间 | ✓ | ✓ | ✓ | Medium |
635 | ✓ | ✓ | ✓ | Medium | |
634 | ✓ | ✓ | ✓ | Medium | |
633 | 平方数之和 | ✓ | ✓ | ✓ | Easy |
632 | 最小区间 | ✓ | ✓ | ✓ | Hard |
631 | ✓ | ✓ | ✓ | Hard | |
630 | 课程表III | ✓ | ✓ | ✓ | Hard |
629 | K个逆序对数组 | ✓ | ✓ | ✓ | Hard |
628 | 三个数的最大乘积 | ✓ | ✓ | ✓ | Easy |
627 | 交换工资 | ✓ | ✓ | ✓ | Easy |
626 | 换座位 | ✓ | ✓ | ✓ | Medium |
625 | ✓ | ✓ | ✓ | Medium | |
624 | ✓ | ✓ | ✓ | Easy | |
623 | 在二叉树中增加一行 | ✓ | ✓ | ✓ | Medium |
622 | 设计循环队列 | ✓ | ✓ | ✓ | Medium |
621 | 任务调度器 | ✓ | ✓ | ✓ | Medium |
620 | 有趣的电影 | ✓ | ✓ | ✓ | Easy |
619 | ✓ | ✓ | ✓ | Easy | |
618 | ✓ | ✓ | ✓ | Hard | |
617 | 合并二叉树 | ✓ | ✓ | ✓ | Easy |
616 | ✓ | ✓ | ✓ | Medium | |
615 | ✓ | ✓ | ✓ | Hard | |
614 | ✓ | ✓ | ✓ | Medium | |
613 | ✓ | ✓ | ✓ | Easy | |
612 | ✓ | ✓ | ✓ | Medium | |
611 | 有效三角形的个数 | ✓ | ✓ | ✓ | Medium |
610 | ✓ | ✓ | ✓ | Easy | |
609 | 在系统中查找重复文件 | ✓ | ✓ | ✓ | Medium |
608 | ✓ | ✓ | ✓ | Medium | |
607 | ✓ | ✓ | ✓ | Easy | |
606 | 根据二叉树创建字符串 | ✓ | ✓ | ✓ | Easy |
605 | 种花问题 | ✓ | ✓ | ✓ | Easy |
604 | ✓ | ✓ | ✓ | Easy | |
603 | ✓ | ✓ | ✓ | Easy | |
602 | ✓ | ✓ | ✓ | Medium | |
601 | 体育馆的人流量 | ✓ | ✓ | ✓ | Hard |
600 | 不含连续1的非负整数 | ✓ | ✓ | ✓ | Hard |
599 | 两个列表的最小索引总和 | ✓ | ✓ | ✓ | Easy |
598 | 范围求和II | ✓ | ✓ | ✓ | Easy |
597 | ✓ | ✓ | ✓ | Easy | |
596 | 超过5名学生的课 | ✓ | ✓ | ✓ | Easy |
595 | 大的国家 | ✓ | ✓ | ✓ | Easy |
594 | 最长和谐子序列 | ✓ | ✓ | ✓ | Easy |
593 | 有效的正方形 | ✓ | ✓ | ✓ | Medium |
592 | 分数加减运算 | ✓ | ✓ | ✓ | Medium |
591 | 标签验证器 | ✓ | ✓ | ✓ | Hard |
590 | ✓ | ✓ | ✓ | Easy | |
589 | ✓ | ✓ | ✓ | Easy | |
588 | ✓ | ✓ | ✓ | Hard | |
587 | 安装栅栏 | ✓ | ✓ | ✓ | Hard |
586 | ✓ | ✓ | ✓ | Easy | |
585 | ✓ | ✓ | ✓ | Medium | |
584 | ✓ | ✓ | ✓ | Easy | |
583 | 两个字符串的删除操作 | ✓ | ✓ | ✓ | Medium |
582 | ✓ | ✓ | ✓ | Medium | |
581 | 最短无序连续子数组 | ✓ | ✓ | ✓ | Easy |
580 | ✓ | ✓ | ✓ | Medium | |
579 | ✓ | ✓ | ✓ | Hard | |
578 | ✓ | ✓ | ✓ | Medium | |
577 | 员工奖金 | ✓ | ✓ | ✓ | Easy |
576 | 出界的路径数 | ✓ | ✓ | ✓ | Medium |
575 | 分糖果 | ✓ | ✓ | ✓ | Easy |
574 | ✓ | ✓ | ✓ | Medium | |
573 | ✓ | ✓ | ✓ | Medium | |
572 | 另一个树的子树 | ✓ | ✓ | ✓ | Easy |
571 | ✓ | ✓ | ✓ | Hard | |
570 | ✓ | ✓ | ✓ | Medium | |
569 | ✓ | ✓ | ✓ | Hard | |
568 | ✓ | ✓ | ✓ | Hard | |
567 | 字符串的排列 | ✓ | ✓ | ✓ | Medium |
566 | 重塑矩阵 | ✓ | ✓ | ✓ | Easy |
565 | 数组嵌套 | ✓ | ✓ | ✓ | Medium |
564 | 寻找最近的回文数 | ✓ | ✓ | ✓ | Hard |
563 | 二叉树的坡度 | ✓ | ✓ | ✓ | Easy |
562 | ✓ | ✓ | ✓ | Medium | |
561 | 数组拆分I | ✓ | ✓ | ✓ | Easy |
560 | 和为K的子数组 | ✓ | ✓ | ✓ | Medium |
559 | ✓ | ✓ | ✓ | Easy | |
558 | ✓ | ✓ | ✓ | Easy | |
557 | 反转字符串中的单词III | ✓ | ✓ | ✓ | Easy |
556 | 下一个更大元素III | ✓ | ✓ | ✓ | Medium |
555 | ✓ | ✓ | ✓ | Medium | |
554 | 砖墙 | ✓ | ✓ | ✓ | Medium |
553 | 最优除法 | ✓ | ✓ | ✓ | Medium |
552 | 学生出勤记录II | ✓ | ✓ | ✓ | Hard |
551 | 学生出勤纪录I | ✓ | ✓ | ✓ | Easy |
550 | ✓ | ✓ | ✓ | Medium | |
549 | ✓ | ✓ | ✓ | Medium | |
548 | ✓ | ✓ | ✓ | Medium | |
547 | 朋友圈 | ✓ | ✓ | ✓ | Medium |
546 | 移除盒子 | ✓ | ✓ | ✓ | Hard |
545 | ✓ | ✓ | ✓ | Medium | |
544 | ✓ | ✓ | ✓ | Medium | |
543 | 二叉树的直径 | ✓ | ✓ | ✓ | Easy |
542 | 01矩阵 | ✓ | ✓ | ✓ | Medium |
541 | 反转字符串II | ✓ | ✓ | ✓ | Easy |
540 | 有序数组中的单一元素 | ✓ | ✓ | ✓ | Medium |
539 | 最小时间差 | ✓ | ✓ | ✓ | Medium |
538 | 把二叉搜索树转换为累加树 | ✓ | ✓ | ✓ | Easy |
537 | 复数乘法 | ✓ | ✓ | ✓ | Medium |
536 | ✓ | ✓ | ✓ | Medium | |
535 | ✓ | ✓ | ✓ | Medium | |
534 | ✓ | ✓ | ✓ | Medium | |
533 | ✓ | ✓ | ✓ | Medium | |
532 | 数组中的K | ✓ | ✓ | ✓ | Easy |
531 | ✓ | ✓ | ✓ | Medium | |
530 | 二叉搜索树的最小绝对差 | ✓ | ✓ | ✓ | Easy |
529 | 扫雷游戏 | ✓ | ✓ | ✓ | Medium |
528 | 按权重随机选择 | ✓ | ✓ | ✓ | Medium |
527 | ✓ | ✓ | ✓ | Hard | |
526 | 优美的排列 | ✓ | ✓ | ✓ | Medium |
525 | 连续数组 | ✓ | ✓ | ✓ | Medium |
524 | 通过删除字母匹配到字典里最长单词 | ✓ | ✓ | ✓ | Medium |
523 | 连续的子数组和 | ✓ | ✓ | ✓ | Medium |
522 | 最长特殊序列II | ✓ | ✓ | ✓ | Medium |
521 | 最长特殊序列Ⅰ | ✓ | ✓ | ✓ | Easy |
520 | 检测大写字母 | ✓ | ✓ | ✓ | Easy |
519 | 随机翻转矩阵 | ✓ | ✓ | ✓ | Medium |
518 | 零钱兑换II | ✓ | ✓ | ✓ | Medium |
517 | 超级洗衣机 | ✓ | ✓ | ✓ | Hard |
516 | 最长回文子序列 | ✓ | ✓ | ✓ | Medium |
515 | 在每个树行中找最大值 | ✓ | ✓ | ✓ | Medium |
514 | 自由之路 | ✓ | ✓ | ✓ | Hard |
513 | 找树左下角的值 | ✓ | ✓ | ✓ | Medium |
512 | ✓ | ✓ | ✓ | Medium | |
511 | ✓ | ✓ | ✓ | Medium | |
510 | ✓ | ✓ | ✓ | Medium | |
509 | 斐波那契数 | ✓ | ✓ | ✓ | Easy |
508 | 出现次数最多的子树元素和 | ✓ | ✓ | ✓ | Medium |
507 | 完美数 | ✓ | ✓ | ✓ | Easy |
506 | 相对名次 | ✓ | ✓ | ✓ | Easy |
505 | ✓ | ✓ | ✓ | Medium | |
504 | 七进制数 | ✓ | ✓ | ✓ | Easy |
503 | 下一个更大元素II | ✓ | ✓ | ✓ | Medium |
502 | IPO(首次公开募股) | ✓ | ✓ | ✓ | Hard |
501 | 二叉搜索树中的众数 | ✓ | ✓ | ✓ | Easy |
500 | 键盘行 | ✓ | ✓ | ✓ | Easy |
499 | ✓ | ✓ | ✓ | Hard | |
498 | 对角线遍历 | ✓ | ✓ | ✓ | Medium |
497 | 非重叠矩形中的随机点 | ✓ | ✓ | ✓ | Medium |
496 | 下一个更大元素I | ✓ | ✓ | ✓ | Easy |
495 | 提莫攻击 | ✓ | ✓ | ✓ | Medium |
494 | 目标和 | ✓ | ✓ | ✓ | Medium |
493 | 翻转对 | ✓ | ✓ | ✓ | Hard |
492 | 构造矩形 | ✓ | ✓ | ✓ | Easy |
491 | 递增子序列 | ✓ | ✓ | ✓ | Medium |
490 | ✓ | ✓ | ✓ | Medium | |
489 | ✓ | ✓ | ✓ | Hard | |
488 | 祖玛游戏 | ✓ | ✓ | ✓ | Hard |
487 | ✓ | ✓ | ✓ | Medium | |
486 | 预测赢家 | ✓ | ✓ | ✓ | Medium |
485 | 最大连续1的个数 | ✓ | ✓ | ✓ | Easy |
484 | ✓ | ✓ | ✓ | Medium | |
483 | 最小好进制 | ✓ | ✓ | ✓ | Hard |
482 | 密钥格式化 | ✓ | ✓ | ✓ | Easy |
481 | 神奇字符串 | ✓ | ✓ | ✓ | Medium |
480 | 滑动窗口中位数 | ✓ | ✓ | ✓ | Hard |
479 | 最大回文数乘积 | ✓ | ✓ | ✓ | Hard |
478 | 在圆内随机生成点 | ✓ | ✓ | ✓ | Medium |
477 | 汉明距离总和 | ✓ | ✓ | ✓ | Medium |
476 | 数字的补数 | ✓ | ✓ | ✓ | Easy |
475 | 供暖器 | ✓ | ✓ | ✓ | Easy |
474 | 一和零 | ✓ | ✓ | ✓ | Medium |
473 | 火柴拼正方形 | ✓ | ✓ | ✓ | Medium |
472 | 连接词 | ✓ | ✓ | ✓ | Hard |
471 | ✓ | ✓ | ✓ | Hard | |
470 | 用Rand7实现Rand10 | ✓ | ✓ | ✓ | Medium |
469 | ✓ | ✓ | ✓ | Medium | |
468 | 验证IP地址 | ✓ | ✓ | ✓ | Medium |
467 | 环绕字符串中唯一的子字符串 | ✓ | ✓ | ✓ | Medium |
466 | 统计重复个数 | ✓ | ✓ | ✓ | Hard |
465 | ✓ | ✓ | ✓ | Hard | |
464 | 我能赢吗 | ✓ | ✓ | ✓ | Medium |
463 | 岛屿的周长 | ✓ | ✓ | ✓ | Easy |
462 | 最少移动次数使数组元素相等II | ✓ | ✓ | ✓ | Medium |
461 | 汉明距离 | ✓ | ✓ | ✓ | Easy |
460 | LFU缓存 | ✓ | ✓ | ✓ | Hard |
459 | 重复的子字符串 | ✓ | ✓ | ✓ | Easy |
458 | 可怜的小猪 | ✓ | ✓ | ✓ | Hard |
457 | 环形数组循环 | ✓ | ✓ | ✓ | Medium |
456 | 132模式 | ✓ | ✓ | ✓ | Medium |
455 | 分发饼干 | ✓ | ✓ | ✓ | Easy |
454 | 四数相加II | ✓ | ✓ | ✓ | Medium |
453 | 最小移动次数使数组元素相等 | ✓ | ✓ | ✓ | Easy |
452 | 用最少数量的箭引爆气球 | ✓ | ✓ | ✓ | Medium |
451 | 根据字符出现频率排序 | ✓ | ✓ | ✓ | Medium |
450 | 删除二叉搜索树中的节点 | ✓ | ✓ | ✓ | Medium |
449 | []] | ✓ | ✓ | ✓ | Medium |
448 | 找到所有数组中消失的数字 | ✓ | ✓ | ✓ | Easy |
447 | 回旋镖的数量 | ✓ | ✓ | ✓ | Easy |
446 | 等差数列划分II | ✓ | ✓ | ✓ | Hard |
445 | 两数相加II | ✓ | ✓ | ✓ | Medium |
444 | ✓ | ✓ | ✓ | Medium | |
443 | 压缩字符串 | ✓ | ✓ | ✓ | Easy |
442 | 数组中重复的数据 | ✓ | ✓ | ✓ | Medium |
441 | 排列硬币 | ✓ | ✓ | ✓ | Easy |
440 | 字典序的第K小数字 | ✓ | ✓ | ✓ | Hard |
439 | ✓ | ✓ | ✓ | Medium | |
438 | 找到字符串中所有字母异位词 | ✓ | ✓ | ✓ | Easy |
437 | 路径总和III | ✓ | ✓ | ✓ | Easy |
436 | 寻找右区间 | ✓ | ✓ | ✓ | Medium |
435 | 无重叠区间 | ✓ | ✓ | ✓ | Medium |
434 | 字符串中的单词数 | ✓ | ✓ | ✓ | Easy |
433 | 最小基因变化 | ✓ | ✓ | ✓ | Medium |
432 | 全O(1)的数据结构 | ✓ | ✓ | ✓ | Hard |
431 | ✓ | ✓ | ✓ | Hard | |
430 | ✓ | ✓ | ✓ | Medium | |
429 | ✓ | ✓ | ✓ | Easy | |
428 | ✓ | ✓ | ✓ | Hard | |
427 | ✓ | ✓ | ✓ | Easy | |
426 | ✓ | ✓ | ✓ | Medium | |
425 | ✓ | ✓ | ✓ | Hard | |
424 | 替换后的最长重复字符 | ✓ | ✓ | ✓ | Medium |
423 | 从英文中重建数字 | ✓ | ✓ | ✓ | Medium |
422 | ✓ | ✓ | ✓ | Easy | |
421 | 数组中两个数的最大异或值 | ✓ | ✓ | ✓ | Medium |
420 | 强密码检验器 | ✓ | ✓ | ✓ | Hard |
419 | 甲板上的战舰 | ✓ | ✓ | ✓ | Medium |
418 | ✓ | ✓ | ✓ | Medium | |
417 | 太平洋大西洋水流问题 | ✓ | ✓ | ✓ | Medium |
416 | 分割等和子集 | ✓ | ✓ | ✓ | Medium |
415 | 字符串相加 | ✓ | ✓ | ✓ | Easy |
414 | 第三大的数 | ✓ | ✓ | ✓ | Easy |
413 | 等差数列划分 | ✓ | ✓ | ✓ | Medium |
412 | FizzBuzz | ✓ | ✓ | ✓ | Easy |
411 | ✓ | ✓ | ✓ | Hard | |
410 | 分割数组的最大值 | ✓ | ✓ | ✓ | Hard |
409 | 最长回文串 | ✓ | ✓ | ✓ | Easy |
408 | ✓ | ✓ | ✓ | Easy | |
407 | 接雨水II | ✓ | ✓ | ✓ | Hard |
406 | 根据身高重建队列 | ✓ | ✓ | ✓ | Medium |
405 | 数字转换为十六进制数 | ✓ | ✓ | ✓ | Easy |
404 | 左叶子之和 | ✓ | ✓ | ✓ | Easy |
403 | 青蛙过河 | ✓ | ✓ | ✓ | Hard |
402 | 移掉K位数字 | ✓ | ✓ | ✓ | Medium |
401 | 二进制手表 | ✓ | ✓ | ✓ | Easy |
400 | 第N个数字 | ✓ | ✓ | ✓ | Easy |
399 | 除法求值 | ✓ | ✓ | ✓ | Medium |
398 | 随机数索引 | ✓ | ✓ | ✓ | Medium |
397 | 整数替换 | ✓ | ✓ | ✓ | Medium |
396 | 旋转函数 | ✓ | ✓ | ✓ | Medium |
395 | 至少有K个重复字符的最长子串 | ✓ | ✓ | ✓ | Medium |
394 | 字符串解码 | ✓ | ✓ | ✓ | Medium |
393 | UTF | ✓ | ✓ | ✓ | Medium |
392 | 判断子序列 | ✓ | ✓ | ✓ | Medium |
391 | 完美矩形 | ✓ | ✓ | ✓ | Hard |
390 | 消除游戏 | ✓ | ✓ | ✓ | Medium |
389 | 找不同 | ✓ | ✓ | ✓ | Easy |
388 | 文件的最长绝对路径 | ✓ | ✓ | ✓ | Medium |
387 | 字符串中的第一个唯一字符 | ✓ | ✓ | ✓ | Easy |
386 | 字典序排数 | ✓ | ✓ | ✓ | Medium |
385 | 迷你语法分析器 | ✓ | ✓ | ✓ | Medium |
384 | 打乱数组 | ✓ | ✓ | ✓ | Medium |
383 | 赎金信 | ✓ | ✓ | ✓ | Easy |
382 | 链表随机节点 | ✓ | ✓ | ✓ | Medium |
381 | O(1)时间插入、删除和获取随机元素 | ✓ | ✓ | ✓ | Hard |
380 | 常数时间插入、删除和获取随机元素 | ✓ | ✓ | ✓ | Medium |
379 | ✓ | ✓ | ✓ | Medium | |
378 | 有序矩阵中第K小的元素 | ✓ | ✓ | ✓ | Medium |
377 | 组合总和Ⅳ | ✓ | ✓ | ✓ | Medium |
376 | 摆动序列 | ✓ | ✓ | ✓ | Medium |
375 | 猜数字大小II | ✓ | ✓ | ✓ | Medium |
374 | 猜数字大小 | ✓ | ✓ | ✓ | Easy |
373 | 查找和最小的K对数字 | ✓ | ✓ | ✓ | Medium |
372 | 超级次方 | ✓ | ✓ | ✓ | Medium |
371 | 两整数之和 | ✓ | ✓ | ✓ | Easy |
370 | ✓ | ✓ | ✓ | Medium | |
369 | ✓ | ✓ | ✓ | Medium | |
368 | 最大整除子集 | ✓ | ✓ | ✓ | Medium |
367 | 有效的完全平方数 | ✓ | ✓ | ✓ | Easy |
366 | ✓ | ✓ | ✓ | Medium | |
365 | 水壶问题 | ✓ | ✓ | ✓ | Medium |
364 | ✓ | ✓ | ✓ | Medium | |
363 | 矩形区域不超过K的最大数值和 | ✓ | ✓ | ✓ | Hard |
362 | ✓ | ✓ | ✓ | Medium | |
361 | ✓ | ✓ | ✓ | Medium | |
360 | ✓ | ✓ | ✓ | Medium | |
359 | ✓ | ✓ | ✓ | Easy | |
358 | ✓ | ✓ | ✓ | Hard | |
357 | 计算各个位数不同的数字个数 | ✓ | ✓ | ✓ | Medium |
356 | ✓ | ✓ | ✓ | Medium | |
355 | ✓ | ✓ | ✓ | Medium | |
354 | 俄罗斯套娃信封问题 | ✓ | ✓ | ✓ | Hard |
353 | ✓ | ✓ | ✓ | Medium | |
352 | 将数据流变为多个不相交间隔 | ✓ | ✓ | ✓ | Hard |
351 | 安卓解锁模式 $ | ✓ | ✓ | ✓ | Medium |
350 | 两个数组的交集II | ✓ | ✓ | ✓ | Easy |
349 | 两个数组的交集 | ✓ | ✓ | ✓ | Easy |
348 | 设计井字棋游戏 $ | ✓ | ✓ | ✓ | Medium |
347 | 前K个高频元素 | ✓ | ✓ | ✓ | Medium |
346 | 从数据流中移动平均值 $ | ✓ | ✓ | ✓ | Easy |
345 | 反转字符串中的元音字母 | ✓ | ✓ | ✓ | Easy |
344 | 反转字符串 | ✓ | ✓ | ✓ | Easy |
343 | 整数拆分 | ✓ | ✓ | ✓ | Medium |
342 | 4的幂 | ✓ | ✓ | ✓ | Easy |
341 | 压平嵌套链表迭代器 | ✓ | ✓ | ✓ | Medium |
340 | 最多有K个不同字符的最长子串 $ | ✓ | ✓ | ✓ | Hard |
339 | 嵌套链表权重和 $ | ✓ | ✓ | ✓ | Easy |
338 | 比特位计数 | ✓ | ✓ | ✓ | Medium |
337 | 打家劫舍III | ✓ | ✓ | ✓ | Medium |
336 | 回文对 | ✓ | ✓ | ✓ | Hard |
335 | 路径交叉 | ✓ | ✓ | ✓ | Hard |
334 | 递增的三元子序列 | ✓ | ✓ | ✓ | Medium |
333 | 最大的二分搜索子树 $ | ✓ | ✓ | ✓ | Medium |
332 | 重新安排行程 | ✓ | ✓ | ✓ | Medium |
331 | 验证二叉树的前序序列化 | ✓ | ✓ | ✓ | Medium |
330 | 按要求补齐数组 | ✓ | ✓ | ✓ | Hard |
329 | 矩阵中的最长递增路径 | ✓ | ✓ | ✓ | Hard |
328 | 奇偶链表 | ✓ | ✓ | ✓ | Medium |
327 | 区间和的个数 | ✓ | ✓ | ✓ | Hard |
326 | 3的幂 | ✓ | ✓ | ✓ | Easy |
325 | 最大子数组之和为k $ | ✓ | ✓ | ✓ | Medium |
324 | 摆动排序II | ✓ | ✓ | ✓ | Medium |
323 | 无向图中的连通区域的个数 $ | ✓ | ✓ | ✓ | Medium |
322 | 零钱兑换 | ✓ | ✓ | ✓ | Medium |
321 | 拼接最大数 | ✓ | ✓ | ✓ | Hard |
320 | 通用简写 $ | ✓ | ✓ | ✓ | Medium |
319 | 灯泡开关 | ✓ | ✓ | ✓ | Medium |
318 | 最大单词长度乘积 | ✓ | ✓ | ✓ | Medium |
317 | 建筑物的最短距离 $ | ✓ | ✓ | ✓ | Hard |
316 | 去除重复字母 | ✓ | ✓ | ✓ | Hard |
315 | 计算右侧小于当前元素的个数 | ✓ | ✓ | ✓ | Hard |
314 | 二叉树的竖直遍历 $ | ✓ | ✓ | ✓ | Medium |
313 | 超级丑数 | ✓ | ✓ | ✓ | Medium |
312 | 戳气球 | ✓ | ✓ | ✓ | Hard |
311 | 稀疏矩阵相乘 $ | ✓ | ✓ | ✓ | Medium |
310 | 最小高度树 | ✓ | ✓ | ✓ | Medium |
309 | 最佳买卖股票时机含冷冻期 | ✓ | ✓ | ✓ | Medium |
308 | 二维区域和检索 | ✓ | ✓ | ✓ | Hard |
307 | 区域和检索 | ✓ | ✓ | ✓ | Medium |
306 | 累加数 | ✓ | ✓ | ✓ | Medium |
305 | 岛屿的个数II $ | ✓ | ✓ | ✓ | Hard |
304 | 二维区域和检索 | ✓ | ✓ | ✓ | Medium |
303 | 区域和检索 | ✓ | ✓ | ✓ | Easy |
302 | 包含黑色像素的最小矩形 $ | ✓ | ✓ | ✓ | Hard |
301 | 删除无效的括号 | ✓ | ✓ | ✓ | Hard |
300 | 最长上升子序列 | ✓ | ✓ | ✓ | Medium |
299 | 猜数字游戏 | ✓ | ✓ | ✓ | Medium |
298 | 二叉树最长连续序列 $ | ✓ | ✓ | ✓ | Medium |
297 | 二叉树的序列化与反序列化 | ✓ | ✓ | ✓ | Hard |
296 | 最佳开会地点 $ | ✓ | ✓ | ✓ | Hard |
295 | 数据流的中位数 | ✓ | ✓ | ✓ | Hard |
294 | 翻转游戏之II $ | ✓ | ✓ | ✓ | Medium |
293 | 翻转游戏 $ | ✓ | ✓ | ✓ | Easy |
292 | Nim游戏 | ✓ | ✓ | ✓ | Easy |
291 | 单词模式II $ | ✓ | ✓ | ✓ | Hard |
290 | 单词模式 | ✓ | ✓ | ✓ | Easy |
289 | 生命游戏 | ✓ | ✓ | ✓ | Medium |
288 | 唯一单词缩写 $ | ✓ | ✓ | ✓ | Medium |
287 | 寻找重复数 | ✓ | ✓ | ✓ | Medium |
286 | 墙和门 $ | ✓ | ✓ | ✓ | Medium |
285 | 二叉搜索树中的中序后继节点 $ | ✓ | ✓ | ✓ | Medium |
284 | 顶端迭代器 | ✓ | ✓ | ✓ | Medium |
283 | 移动零 | ✓ | ✓ | ✓ | Easy |
282 | 给表达式添加运算符 | ✓ | ✓ | ✓ | Hard |
281 | 之字形迭代器 $ | ✓ | ✓ | ✓ | Medium |
280 | 摆动排序 $ | ✓ | ✓ | ✓ | Medium |
279 | 完全平方数 | ✓ | ✓ | ✓ | Medium |
278 | 第一个错误的版本 | ✓ | ✓ | ✓ | Easy |
277 | 寻找名人 $ | ✓ | ✓ | ✓ | Medium |
276 | 粉刷栅栏 $ | ✓ | ✓ | ✓ | Easy |
275 | H指数II | ✓ | ✓ | ✓ | Medium |
274 | H指数 | ✓ | ✓ | ✓ | Medium |
273 | 整数转换英文表示 | ✓ | ✓ | ✓ | Hard |
272 | 最近的二分搜索树的值II $ | ✓ | ✓ | ✓ | Hard |
271 | 加码解码字符串 $ | ✓ | ✓ | ✓ | Medium |
270 | 最近的二分搜索树的值 $ | ✓ | ✓ | ✓ | Easy |
269 | 外星人词典 $ | ✓ | ✓ | ✓ | Hard |
268 | 缺失数字 | ✓ | ✓ | ✓ | Easy |
267 | 回文全排列II $ | ✓ | ✓ | ✓ | Medium |
266 | 回文全排列 $ | ✓ | ✓ | ✓ | Easy |
265 | 粉刷房子II $ | ✓ | ✓ | ✓ | Hard |
264 | 丑数II | ✓ | ✓ | ✓ | Medium |
263 | 丑数 | ✓ | ✓ | ✓ | Easy |
262 | 行程和用户 | ✓ | ✓ | ✓ | Hard |
261 | 图验证树 $ | ✓ | ✓ | ✓ | Medium |
260 | 只出现一次的数字III | ✓ | ✓ | ✓ | Medium |
259 | 三数之和较小值 $ | ✓ | ✓ | ✓ | Medium |
258 | 各位相加 | ✓ | ✓ | ✓ | Easy |
257 | 二叉树的所有路径 | ✓ | ✓ | ✓ | Easy |
256 | 粉刷房子 $ | ✓ | ✓ | ✓ | Easy |
255 | 验证二叉搜索树的先序序列 $ | ✓ | ✓ | ✓ | Medium |
254 | 因子组合 $ | ✓ | ✓ | ✓ | Medium |
253 | 会议室II $ | ✓ | ✓ | ✓ | Medium |
252 | 会议室 $ | ✓ | ✓ | ✓ | Easy |
251 | 展平二维向量 $ | ✓ | ✓ | ✓ | Medium |
250 | 计数相同值子树的个数 $ | ✓ | ✓ | ✓ | Medium |
249 | 群组偏移字符串 $ | ✓ | ✓ | ✓ | Medium |
248 | 对称数III $ | ✓ | ✓ | ✓ | Hard |
247 | 对称数II $ | ✓ | ✓ | ✓ | Medium |
246 | 对称数 $ | ✓ | ✓ | ✓ | Easy |
245 | 最短单词距离III $ | ✓ | ✓ | ✓ | Medium |
244 | 最短单词距离II $ | ✓ | ✓ | ✓ | Medium |
243 | 最短单词距离 $ | ✓ | ✓ | ✓ | Easy |
242 | 有效的字母异位词 | ✓ | ✓ | ✓ | Easy |
241 | 为运算表达式设计优先级 | ✓ | ✓ | ✓ | Medium |
240 | 搜索二维矩阵II | ✓ | ✓ | ✓ | Medium |
239 | 滑动窗口最大值 | ✓ | ✓ | ✓ | Hard |
238 | 除自身以外数组的乘积 | ✓ | ✓ | ✓ | Medium |
237 | 删除链表中的节点 | ✓ | ✓ | ✓ | Easy |
236 | 二叉树的最近公共祖先 | ✓ | ✓ | ✓ | Medium |
235 | 二叉搜索树的最近公共祖先 | ✓ | ✓ | ✓ | Easy |
234 | 回文链表 | ✓ | ✓ | ✓ | Easy |
233 | 数字1的个数 | ✓ | ✓ | ✓ | Hard |
232 | 用栈实现队列 | ✓ | ✓ | ✓ | Easy |
231 | 2的幂 | ✓ | ✓ | ✓ | Easy |
230 | 二叉搜索树中第K小的元素 | ✓ | ✓ | ✓ | Medium |
229 | 求众数II | ✓ | ✓ | ✓ | Medium |
228 | 汇总区间 | ✓ | ✓ | ✓ | Medium |
227 | 基本计算器II | ✓ | ✓ | ✓ | Medium |
226 | 翻转二叉树 | ✓ | ✓ | ✓ | Easy |
225 | 用队列实现栈 | ✓ | ✓ | ✓ | Easy |
224 | 基本计算器 | ✓ | ✓ | ✓ | Hard |
223 | 矩形面积 | ✓ | ✓ | ✓ | Medium |
222 | 完全二叉树的节点个数 | ✓ | ✓ | ✓ | Medium |
221 | 最大正方形 | ✓ | ✓ | ✓ | Medium |
220 | 存在重复元素III | ✓ | ✓ | ✓ | Medium |
219 | 存在重复元素II | ✓ | ✓ | ✓ | Easy |
218 | 天际线问题 | ✓ | ✓ | ✓ | Hard |
217 | 存在重复元素 | ✓ | ✓ | ✓ | Easy |
216 | 组合总和III | ✓ | ✓ | ✓ | Medium |
215 | 数组中的第K个最大元素 | ✓ | ✓ | ✓ | Medium |
214 | 最短回文串 | ✓ | ✓ | ✓ | Hard |
213 | 打家劫舍II | ✓ | ✓ | ✓ | Medium |
212 | 单词搜索II | ✓ | ✓ | ✓ | Hard |
211 | 添加与搜索单词 | ✓ | ✓ | ✓ | Medium |
210 | 课程表II | ✓ | ✓ | ✓ | Medium |
209 | 长度最小的子数组 | ✓ | ✓ | ✓ | Medium |
208 | 实现Trie(前缀树) | ✓ | ✓ | ✓ | Medium |
207 | 课程表 | ✓ | ✓ | ✓ | Medium |
206 | 反转链表 | ✓ | ✓ | ✓ | Easy |
205 | 同构字符串 | ✓ | ✓ | ✓ | Easy |
204 | 计数质数 | ✓ | ✓ | ✓ | Easy |
203 | 移除链表元素 | ✓ | ✓ | ✓ | Easy |
202 | 快乐数 | ✓ | ✓ | ✓ | Easy |
201 | 数字范围按位与 | ✓ | ✓ | ✓ | Medium |
200 | 岛屿的个数 | ✓ | ✓ | ✓ | Medium |
199 | 二叉树的右视图 | ✓ | ✓ | ✓ | Medium |
198 | 打家劫舍 | ✓ | ✓ | ✓ | Easy |
197 | 上升的温度 | ✓ | ✓ | ✓ | Easy |
196 | 删除重复的电子邮箱 | ✓ | ✓ | ✓ | Easy |
195 | 第十行 | ✓ | ✓ | ✓ | Easy |
194 | 转置文件 | ✓ | ✓ | ✓ | Medium |
193 | 有效电话号码 | ✓ | ✓ | ✓ | Easy |
192 | 统计词频 | ✓ | ✓ | ✓ | Medium |
191 | 位1的个数 | ✓ | ✓ | ✓ | Easy |
190 | 颠倒二进制位 | ✓ | ✓ | ✓ | Easy |
189 | 旋转数组 | ✓ | ✓ | ✓ | Easy |
188 | 买卖股票的最佳时机IV | ✓ | ✓ | ✓ | Hard |
187 | 重复的DNA序列 | ✓ | ✓ | ✓ | Medium |
186 | 翻转字符串中的单词II | ✓ | ✓ | ✓ | Medium |
185 | 部门工资前三高的员工 | ✓ | ✓ | ✓ | Hard |
184 | 部门工资最高的员工 | ✓ | ✓ | ✓ | Medium |
183 | 从不订购的客户 | ✓ | ✓ | ✓ | Easy |
182 | 查找重复的电子邮箱 | ✓ | ✓ | ✓ | Easy |
181 | 超过经理收入的员工 | ✓ | ✓ | ✓ | Easy |
180 | 连续出现的数字 | ✓ | ✓ | ✓ | Medium |
179 | 最大数 | ✓ | ✓ | ✓ | Medium |
178 | 分数排名 | ✓ | ✓ | ✓ | Medium |
177 | 第N高的薪水 | ✓ | ✓ | ✓ | Medium |
176 | 第二高的薪水 | ✓ | ✓ | ✓ | Easy |
175 | 组合两个表 | ✓ | ✓ | ✓ | Easy |
174 | 地下城游戏 | ✓ | ✓ | ✓ | Hard |
173 | 二叉搜索树迭代器 | ✓ | ✓ | ✓ | Medium |
172 | 阶乘后的零 | ✓ | ✓ | ✓ | Easy |
171 | Excel表列序号 | ✓ | ✓ | ✓ | Easy |
170 | 两数之和之三 | ✓ | ✓ | ✓ | Easy |
169 | 求众数 | ✓ | ✓ | ✓ | Easy |
168 | Excel表列名称 | ✓ | ✓ | ✓ | Easy |
167 | 两数之和II | ✓ | ✓ | ✓ | Easy |
166 | 分数到小数 | ✓ | ✓ | ✓ | Medium |
165 | 比较版本号 | ✓ | ✓ | ✓ | Medium |
164 | 最大间距 | ✓ | ✓ | ✓ | Hard |
163 | 缺失区间 $ | ✓ | ✓ | ✓ | Medium |
162 | 寻找峰值 | ✓ | ✓ | ✓ | Medium |
161 | 一次编辑距离 $ | ✓ | ✓ | ✓ | Medium |
160 | 相交链表 | ✓ | ✓ | ✓ | Easy |
159 | 具有最多两个不同字符的最长子串 $ | ✓ | ✓ | ✓ | Hard |
158 | 用Read4来读取N个字符II $ | ✓ | ✓ | ✓ | Hard |
157 | 用Read4来读取N个字符 $ | ✓ | ✓ | ✓ | Easy |
156 | 二叉树的上下颠倒 $ | ✓ | ✓ | ✓ | Medium |
155 | 最小栈 | ✓ | ✓ | ✓ | Easy |
154 | 寻找旋转排序数组中的最小值II | ✓ | ✓ | ✓ | Hard |
153 | 寻找旋转排序数组中的最小值 | ✓ | ✓ | ✓ | Medium |
152 | 乘积最大子序列 | ✓ | ✓ | ✓ | Medium |
151 | 翻转字符串里的单词 | ✓ | ✓ | ✓ | Medium |
150 | 逆波兰表达式求值 | ✓ | ✓ | ✓ | Medium |
149 | 直线上最多的点数 | ✓ | ✓ | ✓ | Hard |
148 | 排序链表 | ✓ | ✓ | ✓ | Medium |
147 | 对链表进行插入排序 | ✓ | ✓ | ✓ | Medium |
146 | LRU缓存机制 | ✓ | ✓ | ✓ | Hard |
145 | 二叉树的后序遍历 | ✓ | ✓ | ✓ | Hard |
144 | 二叉树的前序遍历 | ✓ | ✓ | ✓ | Medium |
143 | 重排链表 | ✓ | ✓ | ✓ | Medium |
142 | 环形链表II | ✓ | ✓ | ✓ | Medium |
141 | 环形链表 | ✓ | ✓ | ✓ | Easy |
140 | 单词拆分II | ✓ | ✓ | ✓ | Hard |
139 | 单词拆分 | ✓ | ✓ | ✓ | Medium |
138 | 复制带随机指针的链表 | ✓ | ✓ | ✓ | Medium |
137 | 只出现一次的数字II | ✓ | ✓ | ✓ | Medium |
136 | 只出现一次的数字 | ✓ | ✓ | ✓ | Easy |
135 | 分发糖果 | ✓ | ✓ | ✓ | Hard |
134 | 加油站 | ✓ | ✓ | ✓ | Medium |
133 | 克隆图 | ✓ | ✓ | ✓ | Medium |
132 | 分割回文串II | ✓ | ✓ | ✓ | Hard |
131 | 分割回文串 | ✓ | ✓ | ✓ | Medium |
130 | 被围绕的区域 | ✓ | ✓ | ✓ | Medium |
129 | 求根到叶子节点数字之和 | ✓ | ✓ | ✓ | Medium |
128 | 最长连续序列 | ✓ | ✓ | ✓ | Hard |
127 | 单词接龙 | ✓ | ✓ | ✓ | Medium |
126 | 单词接龙II | ✓ | ✓ | ✓ | Hard |
125 | 验证回文串 | ✓ | ✓ | ✓ | Easy |
124 | 二叉树中的最大路径和 | ✓ | ✓ | ✓ | Hard |
123 | 买卖股票的最佳时机III | ✓ | ✓ | ✓ | Hard |
122 | 买卖股票的最佳时机II | ✓ | ✓ | ✓ | Easy |
121 | 买卖股票的最佳时机I | ✓ | ✓ | ✓ | Easy |
120 | 三角形最小路径和 | ✓ | ✓ | ✓ | Medium |
119 | 杨辉三角II | ✓ | ✓ | ✓ | Easy |
118 | 杨辉三角 | ✓ | ✓ | ✓ | Easy |
117 | 填充同一层的兄弟节点II | ✓ | ✓ | ✓ | Medium |
116 | 填充同一层的兄弟节点 | ✓ | ✓ | ✓ | Medium |
115 | 不同的子序列 | ✓ | ✓ | ✓ | Hard |
114 | 二叉树展开为链表 | ✓ | ✓ | ✓ | Medium |
113 | 路径总和II | ✓ | ✓ | ✓ | Medium |
112 | 路径总和 | ✓ | ✓ | ✓ | Easy |
111 | 二叉树的最小深度 | ✓ | ✓ | ✓ | Easy |
110 | 平衡二叉树 | ✓ | ✓ | ✓ | Easy |
109 | 有序链表转换二叉搜索树 | ✓ | ✓ | ✓ | Medium |
108 | 将有序数组转换为二叉搜索树 | ✓ | ✓ | ✓ | Easy |
107 | 二叉树的层次遍历II | ✓ | ✓ | ✓ | Easy |
106 | 从中序与后序遍历序列构造二叉树 | ✓ | ✓ | ✓ | Medium |
105 | 从前序与中序遍历序列构造二叉树 | ✓ | ✓ | ✓ | Medium |
104 | 二叉树的最大深度 | ✓ | ✓ | ✓ | Easy |
103 | 二叉树的锯齿形层次遍历 | ✓ | ✓ | ✓ | Medium |
102 | 二叉树的层次遍历 | ✓ | ✓ | ✓ | Medium |
101 | 对称二叉树 | ✓ | ✓ | ✓ | Easy |
100 | 相同的树 | ✓ | ✓ | ✓ | Hard |
99 | 恢复二叉搜索树 | ✓ | ✓ | ✓ | Medium |
98 | 验证二叉搜索树 | ✓ | ✓ | ✓ | Medium |
97 | 交错字符串 | ✓ | ✓ | ✓ | Medium |
96 | 不同的二叉搜索树 | ✓ | ✓ | ✓ | Medium |
95 | 不同的二叉搜索树II | ✓ | ✓ | ✓ | Medium |
94 | 二叉树的中序遍历 | ✓ | ✓ | ✓ | Medium |
93 | 复原IP地址 | ✓ | ✓ | ✓ | Medium |
92 | 反转链表II | ✓ | ✓ | ✓ | Medium |
91 | 解码方法 | ✓ | ✓ | ✓ | Medium |
90 | 子集II | ✓ | ✓ | ✓ | Medium |
89 | 格雷编码 | ✓ | ✓ | ✓ | Medium |
88 | 合并两个有序数组 | ✓ | ✓ | ✓ | Easy |
87 | 扰乱字符串 | ✓ | ✓ | ✓ | Hard |
86 | 分隔链表 | ✓ | ✓ | ✓ | Medium |
85 | 最大矩形 | ✓ | ✓ | ✓ | Hard |
84 | 柱状图中最大的矩形 | ✓ | ✓ | ✓ | Hard |
83 | 删除排序链表中的重复元素 | ✓ | ✓ | ✓ | Easy |
82 | 删除排序链表中的重复元素II | ✓ | ✓ | ✓ | Medium |
81 | 搜索旋转排序数组II | ✓ | ✓ | ✓ | Medium |
80 | 删除排序数组中的重复项II | ✓ | ✓ | ✓ | Medium |
79 | 单词搜索 | ✓ | ✓ | ✓ | Medium |
78 | 子集 | ✓ | ✓ | ✓ | Medium |
77 | 组合 | ✓ | ✓ | ✓ | Medium |
76 | 最小覆盖子串 | ✓ | ✓ | ✓ | Hard |
75 | 颜色分类 | ✓ | ✓ | ✓ | Medium |
74 | 搜索二维矩阵 | ✓ | ✓ | ✓ | Medium |
73 | 矩阵置零 | ✓ | ✓ | ✓ | Medium |
72 | 编辑距离 | ✓ | ✓ | ✓ | Hard |
71 | 简化路径 | ✓ | ✓ | ✓ | Medium |
70 | 爬楼梯 | ✓ | ✓ | ✓ | Easy |
69 | x的平方根 | ✓ | ✓ | ✓ | Easy |
68 | 文本左右对齐 | ✓ | ✓ | ✓ | Hard |
67 | 二进制求和 | ✓ | ✓ | ✓ | Easy |
66 | 加一 | ✓ | ✓ | ✓ | Easy |
65 | 有效数字 | ✓ | ✓ | ✓ | Hard |
64 | 最小路径和 | ✓ | ✓ | ✓ | Medium |
63 | 不同路径II | ✓ | ✓ | ✓ | Medium |
62 | 不同路径 | ✓ | ✓ | ✓ | Medium |
61 | 旋转链表 | ✓ | ✓ | ✓ | Medium |
60 | 第k个排列 | ✓ | ✓ | ✓ | Medium |
59 | 螺旋矩阵II | ✓ | ✓ | ✓ | Medium |
58 | 最后一个单词的长度 | ✓ | ✓ | ✓ | Easy |
57 | 插入区间 | ✓ | ✓ | ✓ | Hard |
56 | 合并区间 | ✓ | ✓ | ✓ | Medium |
55 | 跳跃游戏 | ✓ | ✓ | ✓ | Medium |
54 | 螺旋矩阵 | ✓ | ✓ | ✓ | Medium |
53 | 最大子序和 | ✓ | ✓ | ✓ | Easy |
52 | N皇后II | ✓ | ✓ | ✓ | Hard |
51 | N皇后 | ✓ | ✓ | ✓ | Hard |
50 | Pow(x,n) | ✓ | ✓ | ✓ | Medium |
49 | 字母异位词分组 | ✓ | ✓ | ✓ | Medium |
48 | 旋转图像 | ✓ | ✓ | ✓ | Medium |
47 | 全排列II | ✓ | ✓ | ✓ | Medium |
46 | 全排列 | ✓ | ✓ | ✓ | Medium |
45 | 跳跃游戏II | ✓ | ✓ | ✓ | Hard |
44 | 通配符匹配 | ✓ | ✓ | ✓ | Hard |
43 | 字符串相乘 | ✓ | ✓ | ✓ | Medium |
42 | 接雨水 | ✓ | ✓ | ✓ | Hard |
41 | 缺失的第一个正数 | ✓ | ✓ | ✓ | Hard |
40 | 组合总和II | ✓ | ✓ | ✓ | Medium |
39 | 组合总和 | ✓ | ✓ | ✓ | Medium |
38 | 报数 | ✓ | ✓ | ✓ | Easy |
37 | 解数独 | ✓ | ✓ | ✓ | Hard |
36 | 有效的数独 | ✓ | ✓ | ✓ | Medium |
35 | 搜索插入位置 | ✓ | ✓ | ✓ | Easy |
34 | 在排序数组中查找元素的第一个和最后一个位置 | ✓ | ✓ | ✓ | Medium |
33 | 搜索旋转排序数组 | ✓ | ✓ | ✓ | Medium |
32 | 最长有效括号 | ✓ | ✓ | ✓ | Hard |
31 | 下一个排列 | ✓ | ✓ | ✓ | Medium |
30 | 与所有单词相关联的字串 | ✓ | ✓ | ✓ | Hard |
29 | 两数相除 | ✓ | ✓ | ✓ | Medium |
28 | 实现strStr | ✓ | ✓ | ✓ | Easy |
27 | 移除元素 | ✓ | ✓ | ✓ | Easy |
26 | 删除排序数组中的重复项 | ✓ | ✓ | ✓ | Easy |
25 | k个一组翻转链表 | ✓ | ✓ | ✓ | Hard |
24 | 两两交换链表中的节点 | ✓ | ✓ | ✓ | Medium |
23 | 合并K个排序链表 | ✓ | ✓ | ✓ | Hard |
22 | 括号生成 | ✓ | ✓ | ✓ | Medium |
21 | 合并两个有序链表 | ✓ | ✓ | ✓ | Easy |
20 | 有效的括号 | ✓ | ✓ | ✓ | Easy |
19 | 删除链表的倒数第N个节点 | ✓ | ✓ | ✓ | Medium |
18 | 四数之和 | ✓ | ✓ | ✓ | Medium |
17 | 电话号码的字母组合 | ✓ | ✓ | ✓ | Medium |
16 | 最接近的三数之和 | ✓ | ✓ | ✓ | Medium |
15 | 三数之和 | ✓ | ✓ | ✓ | Medium |
14 | 最长公共前缀 | ✓ | ✓ | ✓ | Easy |
13 | 罗马数字转整数 | ✓ | ✓ | ✓ | Easy |
12 | 整数转罗马数字 | ✓ | ✓ | ✓ | Medium |
11 | 盛最多水的容器 | ✓ | ✓ | ✓ | Medium |
10 | 正则表达式匹配 | ✓ | ✓ | ✓ | Hard |
9 | 回文数 | ✓ | ✓ | ✓ | Easy |
8 | 字符串转整数(atoi) | ✓ | ✓ | ✓ | Medium |
7 | 反转整数 | ✓ | ✓ | ✓ | Easy |
6 | Z字形变换 | ✓ | ✓ | ✓ | Medium |
5 | 最长回文子串 | ✓ | ✓ | ✓ | Medium |
4 | 两个排序数组的中位数 | ✓ | ✓ | ✓ | Hard |
3 | 无重复字符的最长子串 | ✓ | ✓ | ✓ | Medium |
2 | 两数相加 | ✓ | ✓ | ✓ | Medium |
1 | 两数之和 | ✓ | ✓ | ✓ | Easy |
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