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摘要： D. Merge Equals time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Merge Equals time lim 阅读全文

摘要： 纯粹的EXGCD，借机复习一波扩欧； 1 void exgcd(ll a, ll b, ll &d, ll &x, ll &y) { 2 if(!b){ 3 x = 1; 4 y = 0; 5 d = a; 6 } 7 else { 8 gcd(b, a%b, d, y, x); 9 y -= x 阅读全文

摘要： Showstopper Description Data-mining huge data sets can be a painful and long lasting process if we are not aware of tiny patterns existing within thos 阅读全文

摘要： E. Tufurama One day Polycarp decided to rewatch his absolute favourite episode of well-known TV series "Tufurama". He was pretty surprised when he got 阅读全文

摘要： P2567 [SCOI2010]幸运数字 题目描述 在中国，很多人都把6和8视为是幸运数字！lxhgww也这样认为，于是他定义自己的“幸运号码”是十进制表示中只包含数字6和8的那些号码，比如68，666，888都是“幸运号码”！但是这种“幸运号码”总是太少了，比如在[1,100]的区间内就只有6个（ 阅读全文

摘要： C. A Twisty Movement time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. A Twisty Movement 阅读全文

摘要： C. Journey time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Journey time limit per tes 阅读全文

摘要： 由于java里面有一些东西比c/c++方便（尤其是大数据高精度问题，备受广大ACMer欢迎），所以就可以灵活运用这三种来实现编程，下面是我自己在各种大牛那里总结了一些 这里指的java速成，只限于java语法，包括输入输出，运算处理，字符串和高精度的处理，进制之间的转换等，能解决OJ上的一些高精度题 阅读全文

摘要： Triangle Description Given n distinct points on a plane, your task is to find the triangle that have the maximum area, whose vertices are from the giv 阅读全文

摘要： Bridge Across Islands Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11539 Accepted: 3395 Special Judge Description Thousands of thousands 阅读全文