摘要：
题目链接：http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5176AX+BY = XY => (X-B)*（Y-A）= A*B对A*B因式分解，这里不要乘起来，分A,B因式分解#include#include#include#include#include#include#include#include#include#include#include#define MAXN 105000#define PI acos(-1.0)#define LL long long#define REP(i,n) for(int i 阅读全文