【Educational Codeforces Round 66 (Rated for Div. 2)】 A.B.C.D.E
前言好久没打cf的老年选手被吊打啦。从B题开始心态爆炸,导致最后E没写完,不然还是可以给小号上紫的。
【Educational Codeforces Round 66 (Rated for Div. 2) E. Minimal Segment Cover】离线+树上倍增
E. Minimal Segment Cover题意给你n个区间和m次询问,每次询问给出一个区间,问
【Codeforces Round #564 (Div. 2) D. Nauuo and Circle】
Codeforces Round #564 (Div. 2) D. Nauuo and Circle
【 Educational Codeforces Round 72 - E. Sum Queries? 】 拆位+线段树
题目链接http://codeforces.com/contest/1217/problem/E题意网络
【Codeforces Round #586 (Div. 1 + Div. 2) E. Tourism】 Tarjan缩点+树形DP
题目链接http://codeforces.com/contest/1220/problem/E题意网络
【Educational Codeforces Round 11-F. Bear and Bowling 4】斜率优化DP+二分
Bear and Bowling 4题目链接:https://codeforces.com/cont网络
【Codeforces Gym-101933-E-Explosion Exploit】记忆化搜索
Explosion Exploit题目链接:https://codeforces.com/gym/1网络
【2016-2017NEERC- gym101142-C.CodeCoder vs TopForces】树状数组+记忆化搜索
CodeCoder vs TopForces题目链接:https://codeforc.es/gym网络
【2016-2017NEERC- gym101142-I. Integral Polygons】计算几何+计数
Integral Polygons题目链接:https://codeforc.es/gym/1011
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周排行