摘要：
Currency Exchange Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 22123 Accepted: 7990 Description Several currency exchange points are wor 阅读全文
摘要：
#include<iostream>#include<cstdio>#include<utility>#include<queue>#include<cstring>using namespace std;#define INF 1000000000int d[20005];int n,m,a,b, 阅读全文