摘要： Problem DescriptionAs we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is o... 阅读全文

摘要： 时间限制:7000ms单点时限:1000ms内存限制:256MB描述给定两个整数n和m，求是否存在恰好包含n个0和m个1的01串S，使得S中不存在子串"001"和"11"。如果存在符合条件的01串则输出字典序最小的S，否则输出NO。输入一行两个整数，表示n和m。(0#include #include... 阅读全文

摘要： DescriptionYou have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to ... 阅读全文