시간 제한메모리 제한제출정답맞힌 사람정답 비율
1 초 128 MB55473070265257.427%

문제

두 정수 n과 m이 주어졌을 때, 0 < a < b < n인 정수 쌍 (a, b) 중에서 (a2+b2+m)/(ab)가 정수인 쌍의 개수를 구하는 프로그램을 작성하시오.

입력

첫째 줄에 테스트 케이스의 개수 T가 주어진다. 각 테스트 케이스는 한 줄로 이루어져 있으며, n과 m이 주어진다. 두 수는 0보다 크고, 100보다 작거나 같다.

출력

각 테스트 케이스마다 문제의 조건을 만족하는 (a, b)쌍의 개수를 출력한다.

예제 입력 1

3
10 1
20 3
30 4

예제 출력 1

2
4
5
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출처

ICPC > Regionals > Asia Pacific > Korea > Asia Regional - Taejon 2001 PB번