diff --git a/LeeTaeHo/boj/boj11037.java b/LeeTaeHo/boj/boj11037.java
new file mode 100644
index 00000000..ba4e7659
--- /dev/null
+++ b/LeeTaeHo/boj/boj11037.java
@@ -0,0 +1,40 @@
+import java.io.*;
+import java.util.*;
+
+public class boj11037 {
+    static boolean[] visited = new boolean[10];
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        StringBuilder sb = new StringBuilder();
+        String s = "";
+        while((s = br.readLine()) != null){
+            int n = Integer.parseInt(s);
+            int result = 0;
+            while(++n <= 999_999_999){
+                if(isDuplicate(n)){
+                    result = n;
+                    break;
+                }
+
+            }
+            sb.append(result).append("\n");
+        }
+        System.out.println(sb);
+    }
+
+    static boolean isDuplicate(int n){
+        Arrays.fill(visited, false);
+        while(n > 0){
+            int digit = n % 10;
+            if(digit == 0) return false;
+            if(visited[digit]){
+                return false;
+            }else{
+                visited[digit] = true;
+            }
+            n /= 10;
+        }
+        return true;
+    }
+}
diff --git a/LeeTaeHo/boj/boj14226.java b/LeeTaeHo/boj/boj14226.java
new file mode 100644
index 00000000..19dbd7d5
--- /dev/null
+++ b/LeeTaeHo/boj/boj14226.java
@@ -0,0 +1,56 @@
+import java.io.*;
+import java.util.*;
+
+public class boj14226 {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        int s = Integer.parseInt(br.readLine());
+
+        System.out.println(getEmoticons(s));
+    }
+
+    static int getEmoticons(int s){
+        boolean[][] visited = new boolean[1004][1004];
+        Queue<Node> q = new LinkedList<>();
+        q.offer(new Node(1, 0, 0));
+        visited[1][0] = true;
+        while(!q.isEmpty()){
+            Node node = q.poll();
+
+            int cnt = node.cnt;
+            int buffer = node.buffer;
+            int time = node.time;
+
+            if(cnt == s) return time;
+
+            if(cnt - 1 >= 0 && !visited[cnt - 1][buffer]){
+                visited[cnt - 1][buffer] = true;
+                q.offer(new Node(cnt - 1, buffer, time + 1));
+            }
+
+            if(buffer + cnt <= 1000 && !visited[cnt][cnt]){
+                visited[cnt][cnt] = true;
+                q.offer(new Node(cnt, cnt, time + 1));
+            }
+
+            if(buffer != 0 && cnt + buffer <= 1000 && !visited[cnt + buffer][buffer]){
+                visited[cnt + buffer][buffer] = true;
+                q.offer(new Node(cnt + buffer, buffer, time + 1));
+            }
+        }
+        return 0;
+    }
+
+    static class Node{
+        int cnt;
+        int buffer;
+        int time;
+
+        public Node(int cnt, int buffer, int time) {
+            this.cnt = cnt;
+            this.buffer = buffer;
+            this.time = time;
+        }
+    }
+}
diff --git a/LeeTaeHo/boj/boj23829.java b/LeeTaeHo/boj/boj23829.java
new file mode 100644
index 00000000..e1c2fb5d
--- /dev/null
+++ b/LeeTaeHo/boj/boj23829.java
@@ -0,0 +1,52 @@
+import java.io.*;
+import java.util.*;
+
+public class boj23829 {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+
+        int n = Integer.parseInt(st.nextToken());
+        int q = Integer.parseInt(st.nextToken());
+
+        int[] arr = new int[n];
+        long[] prefix = new long[n + 1];
+
+        st = new StringTokenizer(br.readLine());
+        for (int i = 0; i < n; i++) {
+            arr[i] = Integer.parseInt(st.nextToken());
+        }
+
+        Arrays.sort(arr);
+
+        for (int i = 0; i < n; i++) {
+            prefix[i + 1] = prefix[i] + arr[i];
+        }
+
+        StringBuilder sb = new StringBuilder();
+
+        for (int i = 0; i < q; i++) {
+            int p = Integer.parseInt(br.readLine());
+            int idx = binarySearch(arr, p);
+
+            sb.append((prefix[n] - prefix[idx] - ((long) p * (n - idx))) + (Math.abs(prefix[idx] - ((long) p * idx)))).append("\n");
+        }
+        System.out.println(sb);
+    }
+
+    static int binarySearch(int[] arr, int p){
+        int left = 0;
+        int right = arr.length;
+
+        while(left < right){
+            int mid = (left + right) / 2;
+
+            if(arr[mid] < p){
+                left = mid + 1;
+            }else{
+                right = mid;
+            }
+        }
+        return right;
+    }
+}
\ No newline at end of file
diff --git a/LeeTaeHo/boj/boj25795.java b/LeeTaeHo/boj/boj25795.java
new file mode 100644
index 00000000..831567e6
--- /dev/null
+++ b/LeeTaeHo/boj/boj25795.java
@@ -0,0 +1,36 @@
+import java.io.*;
+import java.util.*;
+
+public class boj25795 {
+    static final int MOD = 100000;
+    static int n, b, c;
+    static long max;
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+
+        n = Integer.parseInt(st.nextToken());
+        int a = Integer.parseInt(st.nextToken());
+        b = Integer.parseInt(st.nextToken());
+        c = Integer.parseInt(st.nextToken());
+
+        max = 0;
+
+        dfs(a + b,1, 0, 1);
+        System.out.println(max);
+    }
+
+    static void dfs(long result, int white, int dark, int depth){
+        if(depth == n + n){
+            if(result > max ) max = result;
+            return;
+        }
+
+        if(white != n){
+            dfs((result + b) % MOD, white + 1, dark, depth + 1);
+        }
+        if(white > dark && dark != n){
+            dfs((result * c) % MOD, white, dark + 1, depth + 1);
+        }
+    }
+}
\ No newline at end of file