uploaded at 2022. 12. 17. 오후 8:02:23

programmers/부족한 금액 계산하기/solution.java

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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/82612
+
+import java.math.*;
+import java.util.*;
+class Solution {
+    public long solution(long price, int money, int count) {
+        return Math.max(price*(count*(count+1))/2-money,0);
+    }
+}