POJ2689 - Prime Distance - 数论
题目链接http://poj.org/problem?id=2689题目DescriptionThe branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians...
题目链接http://poj.org/problem?id=2689题目DescriptionThe branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians...
题目题目描述JSZKC is the captain of the lala team. There are N girls in the lala team. And their height is [1,N] and distinct. So it means there are no two girls with a same height. JSZKC has to arrang...
题目题目描述JSZKC is going to spend his vacation! His vacation has N days. Each day, he can choose a T-shirt to wear. Obviously, he doesn’t want to wear a singer color T-shirt since others will consider ...
这场比赛很快秒了A和C,B题一直不会做,百度了一下才想起来对两边取对数,还是太笨了。B题浪费了太多时间,做完B就只剩40多分钟了,然后看了一下选择开E,结果从剩下20多分钟开始大家都开始交随机数,导致CF的网站一度接近挂了,我在截止前25分钟交的一发E在赛后第2个小时的时候都还是在队列里...交了E之后一直在队列里就去看D了,看了一下范围一直在想$O(n·log_2m...
题目链接http://codeforces.com/contest/987/problem/D题目Some company is going to hold a fair in Byteland. There are n towns in Byteland and m two-way roads between towns. Of course, you can reach any town...