Merge pull request #1901 from AlgorithmWithGod/ksinji

[20260207] PGM / LV2 / 뒤에 있는 큰 수 찾기 / 강신지

Author: ShinHeeEul

ksinji/202602/07 PGM 뒤에 있는 큰 수 찾기.md

@@ -0,0 +1,23 @@
+```java
+import java.util.*;
+
+class Solution {
+    public int[] solution(int[] numbers) {
+        int n = numbers.length;
+        int[] answer = new int[n];
+        Arrays.fill(answer, -1);
+
+        Deque<Integer> stack = new ArrayDeque<>();
+
+        for (int i = 0; i < n; i++) {
+            while (!stack.isEmpty() && numbers[stack.peek()] < numbers[i]) {
+                int idx = stack.pop();
+                answer[idx] = numbers[i];
+            }
+            stack.push(i);
+        }
+
+        return answer;
+    }
+}
+```