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