1269 - Consecutive Sum PDF (English) Statistics Forum Time Limit: 3 second(s) Memory Limit: 64 MB Little Jimmy is learning how to add integers. As in decimal the digits are 0 to 9, it makes a bit hard for him to understand the summation of all pai…
Xor Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 2505 Accepted Submission(s): 1076 Problem Description Zeus 和 Prometheus 做了一个游戏,Prometheus 给 Zeus 一个集合,集合中包含了N个正整数,随后 Prometheus 将向 Ze…
题目来自<算法竞赛设计指南> Tire树是一种可以快速查找字符串的数据结构 模板 #include<cstdio> #include<algorithm> #include<cstring> #define REP(i, a, b) for(register int i = (a); i < (b); i++) #define _for(i, a, b) for(register int i = (a); i <= (b); i++) using…