摘要：Kth number Problem Description Give you a sequence and ask you the kth big number of a inteval. Input The first line is the number of the test cases.  阅读全文

摘要：覆盖的面积 Problem Description 给定平面上若干矩形,求出被这些矩形覆盖过至少两次的区域的面积. Input 输入数据的第一行是一个正整数T(1<=T<=100),代表测试数据的数量.每个测试数据的第一行是一个正整数N(1<=N<=1000),代表矩形的数量,然后是N行数据,每一行 阅读全文

摘要：B. An express train to reveries time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. An exp 阅读全文

摘要：Long Long Message Time Limit: 4000MS Memory Limit: 131072K Total Submissions: 30427 Accepted: 12337 Case Time Limit: 1000MS Description The little cat 阅读全文