杭电oj1017

我的以为这个看懂题目就不是很难，可是我看懂题目就很难。。ios Given two integers n and m, count the number of pairs of integers (a,b) such that 0 < a < b < n and (a^2+b^2 +m)/(ab) is an integer. This problem contains multiple test

>>阅读原文<<