uploaded at 2022. 12. 17. 오전 4:33:16

programmers/삼총사/solution.java

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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/131705
+
+class Solution {
+    public int solution(int[] number) {
+        int answer = 0;
+        for(int a = 0; a < number.length-2; a++){
+            for(int b = a+1; b < number.length-1; b++){
+                for(int c = b+1; c < number.length; c++){
+                    if(number[a]+number[b]+number[c]==0) answer += 1;
+                }
+            }
+        }
+        return answer;
+    }
+}