rl544
9 lines
286 B
Java
9 lines
286 B
Java
// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/12934
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class Solution {
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public long solution(long n) {
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long answer = 0;
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long sqn = (long)Math.sqrt(n);
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return (n%sqn==0&&(sqn!=n&&sqn!=1||n==1))?(long)Math.pow(sqn+1,2):-1;
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}
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} |