Merge pull request #1199 from AlgorithmWithGod/ksinji

[20251022] PGM / LV2 / 요격 시스템 / 강신지

Author: ShinHeeEul

ksinji/202510/22 PGM 요격 시스템.md

@@ -0,0 +1,21 @@
+```java
+import java.util.*;
+
+class Solution {
+    public int solution(int[][] targets) {
+        Arrays.sort(targets, (a, b) -> Integer.compare(a[1], b[1]));
+
+        int answer = 0;
+        int lastEnd = Integer.MIN_VALUE;
+
+        for (int[] t : targets) {
+            int s = t[0], e = t[1];
+            if (s >= lastEnd) {
+                answer++;
+                lastEnd = e;
+            }
+        }
+        return answer;
+    }
+}
+```