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摘要： Farmer John completed his new barn just last week, complete with all the latest milking technology. Unfortunately, due to engineering problems, all th 阅读全文

摘要： Since you are the best Wraith King, Nizhniy Magazin «Mir» at the centre of Vinnytsia is offering you a discount. You are given an array a of length n  阅读全文

摘要： There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical structure of employees 阅读全文

摘要： template struct Priority_queue{ T *a; void init(){ num = 0; } Priority_queue(int n=1100000){ a = new T[n]; num = 0; } int num; int size(){ ... 阅读全文

摘要： Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1430 Accepted Submission(s): 377 Problem Descript 阅读全文

摘要： B. The least round way time limit per test 2 seconds memory limit per test 64 megabytes input standard input output standard output There is a square 阅读全文

摘要： 某省调查城镇交通状况，得到现有城镇道路统计表，表中列出了每条道路直接连通的城镇。省政府“畅通工程”的目标是使全省任何两个城镇间都可以实现交通（但不一定有直接的道路相连，只要互相间接通过道路可达即可）。问最少还需要建设多少条道路？ Input测试输入包含若干测试用例。每个测试用例的第1行给出两个正整数 阅读全文

摘要： The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb coun 阅读全文

摘要： There are n houses in the village and some bidirectional roads connecting them. Every day peole always like to ask like this "How far is it if I want 阅读全文

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