题目链接:http://acm.hnu.cn/online/?action=problem&type=show&id=13341&courseid=0 Joke with permutation Time Limit: 3000ms, Special Time Limit:7500ms, Memory Limit:65536KB Total submit users: 85, Accepted users: 57 Problem 13341 : Special judge Prob…
Problem description Porto's book club is buzzing with excitement for the annual book exchange event! Every year, members bring their favorite book and try to find another book they like that is owned by someone willing to trade with them. I have been…
来之不易的2017第一发ac http://poj.org/problem?id=2386 Lake Counting Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 31474 Accepted: 15724 Description Due to recent rains, water has pooled in various places in Farmer John's field, which is repr…