uploaded at 2023. 1. 29. 오후 6:25:58

programmers/큰 수 만들기/solution.java

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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/42883
+
+import java.lang.StringBuilder;
+class Solution {
+    public String solution(String number, int k) {
+        StringBuilder sb = new StringBuilder();
+        int len = number.length(), obSize = len - k, idx = 0;
+        for(int pos = 0; obSize > 0; pos++, obSize--){
+            char cM = 0;
+            for (int i = pos; i <= len - obSize; i++){
+                if (number.charAt(i) > cM){
+                    cM = number.charAt(i);
+                    pos = i;
+                }
+            }
+            sb.append(cM);
+        }
+        return sb.toString();
+    }
+}