update

Author: emfomy

README.md

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/two-sum/
+// Source: https://leetcode.com/problems/two-sum
 // Title: Two Sum
 // Difficulty: Easy
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0001.cpp problems/0001.cpp

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/two-sum/
+// Source: https://leetcode.com/problems/two-sum
 // Title: Two Sum
 // Difficulty: Easy
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0001.go problems/0001.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/two-sum/
+# Source: https://leetcode.com/problems/two-sum
 # Title: Two Sum
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0001.py problems/0001.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/add-two-numbers/
+// Source: https://leetcode.com/problems/add-two-numbers
 // Title: Add Two Numbers
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0002.cpp problems/0002.cpp

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/add-two-numbers/
+// Source: https://leetcode.com/problems/add-two-numbers
 // Title: Add Two Numbers
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0002.go problems/0002.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/add-two-numbers/
+# Source: https://leetcode.com/problems/add-two-numbers
 # Title: Add Two Numbers
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0002.py problems/0002.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/longest-substring-without-repeating-characters/
+// Source: https://leetcode.com/problems/longest-substring-without-repeating-characters
 // Title: Longest Substring Without Repeating Characters
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0003.cpp problems/0003.cpp

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/longest-substring-without-repeating-characters/
+// Source: https://leetcode.com/problems/longest-substring-without-repeating-characters
 // Title: Longest Substring Without Repeating Characters
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0003.go problems/0003.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/longest-substring-without-repeating-characters/
+# Source: https://leetcode.com/problems/longest-substring-without-repeating-characters
 # Title: Longest Substring Without Repeating Characters
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0003.py problems/0003.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/median-of-two-sorted-arrays/
+// Source: https://leetcode.com/problems/median-of-two-sorted-arrays
 // Title: Median of Two Sorted Arrays
 // Difficulty: Hard
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0004.cpp problems/0004.cpp

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/median-of-two-sorted-arrays/
+// Source: https://leetcode.com/problems/median-of-two-sorted-arrays
 // Title: Median of Two Sorted Arrays
 // Difficulty: Hard
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0004.go problems/0004.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/median-of-two-sorted-arrays/
+# Source: https://leetcode.com/problems/median-of-two-sorted-arrays
 # Title: Median of Two Sorted Arrays
 # Difficulty: Hard
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0004.py problems/0004.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/longest-palindromic-substring/
+// Source: https://leetcode.com/problems/longest-palindromic-substring
 // Title: Longest Palindromic Substring
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0005.go problems/0005.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/longest-palindromic-substring/
+# Source: https://leetcode.com/problems/longest-palindromic-substring
 # Title: Longest Palindromic Substring
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0005.py problems/0005.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/zigzag-conversion/
+// Source: https://leetcode.com/problems/zigzag-conversion
 // Title: ZigZag Conversion
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0006.go problems/0006.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/zigzag-conversion/
+# Source: https://leetcode.com/problems/zigzag-conversion
 # Title: ZigZag Conversion
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0006.py problems/0006.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/reverse-integer/
+# Source: https://leetcode.com/problems/reverse-integer
 # Title: Reverse Integer
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0007.py problems/0007.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/string-to-integer-atoi/
+# Source: https://leetcode.com/problems/string-to-integer-atoi
 # Title: String to Integer (atoi)
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0008.py problems/0008.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/palindrome-number/
+# Source: https://leetcode.com/problems/palindrome-number
 # Title: Palindrome Number
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0009.py problems/0009.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/regular-expression-matching/
+# Source: https://leetcode.com/problems/regular-expression-matching
 # Title: Regular Expression Matching
 # Difficulty: Hard
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0010.py problems/0010.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/container-with-most-water/
+# Source: https://leetcode.com/problems/container-with-most-water
 # Title: Container With Most Water
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0011.py problems/0011.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/integer-to-roman/
+# Source: https://leetcode.com/problems/integer-to-roman
 # Title: Integer to Roman
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0012.py problems/0012.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/roman-to-integer/
+// Source: https://leetcode.com/problems/roman-to-integer
 // Title: Roman to Integer
 // Difficulty: Easy
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0013.go problems/0013.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/roman-to-integer/
+# Source: https://leetcode.com/problems/roman-to-integer
 # Title: Roman to Integer
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0013.py problems/0013.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/longest-common-prefix/
+# Source: https://leetcode.com/problems/longest-common-prefix
 # Title: Longest Common Prefix
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0014.py problems/0014.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/3sum/
+# Source: https://leetcode.com/problems/3sum
 # Title: 3Sum
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0015.py problems/0015.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/3sum-closest/
+# Source: https://leetcode.com/problems/3sum-closest
 # Title: 3Sum Closest
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0016.py problems/0016.py

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-# Source: https://leetcode.com/problems/letter-combinations-of-a-phone-number/
+# Source: https://leetcode.com/problems/letter-combinations-of-a-phone-number
 # Title: Letter Combinations of a Phone Number
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0017.py problems/0017.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/4sum/
+# Source: https://leetcode.com/problems/4sum
 # Title: 4Sum
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0018.py problems/0018.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/remove-nth-node-from-end-of-list/
+# Source: https://leetcode.com/problems/remove-nth-node-from-end-of-list
 # Title: Remove Nth Node From End of List
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0019.py problems/0019.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/valid-parentheses/
+# Source: https://leetcode.com/problems/valid-parentheses
 # Title: Valid Parentheses
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0020.py problems/0020.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/merge-two-sorted-lists/
+# Source: https://leetcode.com/problems/merge-two-sorted-lists
 # Title: Merge Two Sorted Lists
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0021.py problems/0021.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/generate-parentheses/
+# Source: https://leetcode.com/problems/generate-parentheses
 # Title: Generate Parentheses
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0022.py problems/0022.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/merge-k-sorted-lists/
+# Source: https://leetcode.com/problems/merge-k-sorted-lists
 # Title: Merge k Sorted Lists
 # Difficulty: Hard
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0023.py problems/0023.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/swap-nodes-in-pairs/
+# Source: https://leetcode.com/problems/swap-nodes-in-pairs
 # Title: Swap Nodes in Pairs
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0024.py problems/0024.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/divide-two-integers/
+// Source: https://leetcode.com/problems/divide-two-integers
 // Title: Divide Two Integers
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0029.go problems/0029.go

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/substring-with-concatenation-of-all-words/
+// Source: https://leetcode.com/problems/substring-with-concatenation-of-all-words
 // Title: Substring with Concatenation of All Words
 // Difficulty: Hard
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0030.go problems/0030.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/longest-valid-parentheses/
+# Source: https://leetcode.com/problems/longest-valid-parentheses
 # Title: Longest Valid Parentheses
 # Difficulty: Hard
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0032.py problems/0032.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/search-in-rotated-sorted-array/
+// Source: https://leetcode.com/problems/search-in-rotated-sorted-array
 // Title: Search in Rotated Sorted Array
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0033.cpp problems/0033.cpp

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/search-in-rotated-sorted-array/
+# Source: https://leetcode.com/problems/search-in-rotated-sorted-array
 # Title: Search in Rotated Sorted Array
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0033.py problems/0033.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/
+// Source: https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 // Title: Find First and Last Position of Element in Sorted Array
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0034.cpp problems/0034.cpp

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/
+// Source: https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 // Title: Find First and Last Position of Element in Sorted Array
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0034.go problems/0034.go

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/combination-sum/
+// Source: https://leetcode.com/problems/combination-sum
 // Title: Combination Sum
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0039.go problems/0039.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/combination-sum/
+# Source: https://leetcode.com/problems/combination-sum
 # Title: Combination Sum
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0039.py problems/0039.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/combination-sum-ii/
+// Source: https://leetcode.com/problems/combination-sum-ii
 // Title: Combination Sum II
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0040.go problems/0040.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/first-missing-positive/
+# Source: https://leetcode.com/problems/first-missing-positive
 # Title: First Missing Positive
 # Difficulty: Hard
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0041.py problems/0041.py

@@ -1,28 +1,28 @@
-//  Source: https://leetcode.com/problems/trapping-rain-water/
-//  Title: Trapping Rain Water
-//  Difficulty: Hard
-//  Author: Mu Yang <http://muyang.pro>
+// Source: https://leetcode.com/problems/trapping-rain-water
+// Title: Trapping Rain Water
+// Difficulty: Hard
+// Author: Mu Yang <http://muyang.pro>
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-//  Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining.
+// Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining.
 //
-//  Example 1:
+// Example 1:
 //
-//    https://assets.leetcode.com/uploads/2018/10/22/rainwatertrap.png
-//    Input: height = [0,1,0,2,1,0,1,3,2,1,2,1]
-//    Output: 6
-//    Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1,2,1]. In this case, 6 units of rain water (blue section) are being trapped.
+//   https://assets.leetcode.com/uploads/2018/10/22/rainwatertrap.png
+//   Input: height = [0,1,0,2,1,0,1,3,2,1,2,1]
+//   Output: 6
+//   Explanation: The above elevation map (black section) is represented by array [0,1,0,2,1,0,1,3,2,1,2,1]. In this case, 6 units of rain water (blue section) are being trapped.
 //
-//  Example 2:
+// Example 2:
 //
-//    Input: height = [4,2,0,3,2,5]
-//    Output: 9
+//   Input: height = [4,2,0,3,2,5]
+//   Output: 9
 //
 // Constraints:
 //
-//   n == height.length
-//   1 <= n <= 2 * 10^4
-//   0 <= height[i] <= 10^5
+//  n == height.length
+//  1 <= n <= 2 * 10^4
+//  0 <= height[i] <= 10^5
 //
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 

problems/algorithms/0042.go problems/0042.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/trapping-rain-water/
+# Source: https://leetcode.com/problems/trapping-rain-water
 # Title: Trapping Rain Water
 # Difficulty: Hard
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0042.py problems/0042.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/jump-game-ii/
+// Source: https://leetcode.com/problems/jump-game-ii
 // Title: Jump Game II
 // Difficulty: Hard
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0045.go problems/0045.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/jump-game-ii/
+# Source: https://leetcode.com/problems/jump-game-ii
 # Title: Jump Game II
 # Difficulty: Hard
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0045.py problems/0045.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/permutations/
+# Source: https://leetcode.com/problems/permutations
 # Title: Permutations
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0046.py problems/0046.py

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/rotate-image/
+# Source: https://leetcode.com/problems/rotate-image
 # Title: Rotate Image
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0048.py problems/0048.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/group-anagrams/
+// Source: https://leetcode.com/problems/group-anagrams
 // Title: Group Anagrams
 // Difficulty: Medium
 // Author: Mu Yang <http://muyang.pro>
@@ -24,9 +24,9 @@
 //
 // Constraints:
 //
-//   * 1 <= strs.length <= 10^4
-//   * 0 <= strs[i].length <= 100
-//   * strs[i] consists of lowercase English letters.
+//   1 <= strs.length <= 10^4
+//   0 <= strs[i].length <= 100
+//   strs[i] consists of lowercase English letters.
 //
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 

problems/algorithms/0049.go problems/0049.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/group-anagrams/
+# Source: https://leetcode.com/problems/group-anagrams
 # Title: Group Anagrams
 # Difficulty: Medium
 # Author: Mu Yang <http://muyang.pro>

problems/algorithms/0049.py problems/0049.py

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/n-queens/
+// Source: https://leetcode.com/problems/n-queens
 // Title: N-Queens
 // Difficulty: Hard
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0051.go problems/0051.go

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/n-queens-ii/
+// Source: https://leetcode.com/problems/n-queens-ii
 // Title: N-Queens II
 // Difficulty: Hard
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0052.go problems/0052.go

@@ -1,4 +1,4 @@
-// Source: https://leetcode.com/problems/maximum-subarray/
+// Source: https://leetcode.com/problems/maximum-subarray
 // Title: Maximum Subarray
 // Difficulty: Easy
 // Author: Mu Yang <http://muyang.pro>

problems/algorithms/0053.go problems/0053.go

@@ -1,4 +1,4 @@
-# Source: https://leetcode.com/problems/maximum-subarray/
+# Source: https://leetcode.com/problems/maximum-subarray
 # Title: Maximum Subarray
 # Difficulty: Easy
 # Author: Mu Yang <http://muyang.pro>