diff --git "a/lkhyun/202507/28 BOJ G3 \355\201\254\352\262\214 \353\247\214\353\223\244\352\270\260.md" "b/lkhyun/202507/28 BOJ G3 \355\201\254\352\262\214 \353\247\214\353\223\244\352\270\260.md" new file mode 100644 index 00000000..00396bb5 --- /dev/null +++ "b/lkhyun/202507/28 BOJ G3 \355\201\254\352\262\214 \353\247\214\353\223\244\352\270\260.md" @@ -0,0 +1,46 @@ +```java +import java.util.*; +import java.io.*; + +public class Main { + static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + static StringTokenizer st; + static int N, K; + + public static void main(String[] args) throws Exception { + st = new StringTokenizer(br.readLine()); + N = Integer.parseInt(st.nextToken()); + K = Integer.parseInt(st.nextToken()); + + String input = br.readLine(); + + ArrayDeque deq = new ArrayDeque<>(); + int removeCount = K; + + for (int i = 0; i < N; i++) { + char cur = input.charAt(i); + + while (!deq.isEmpty() && deq.peek() < cur && removeCount > 0) { + deq.pop(); + removeCount--; + } + + deq.push(cur); + } + + while (removeCount > 0) { + deq.pop(); + removeCount--; + } + + StringBuilder sb = new StringBuilder(); + while(!deq.isEmpty()){ + sb.append(deq.pollLast()); + } + + bw.write(sb.toString()); + bw.close(); + } +} +```