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2019-03-26

0 567

Codeforces Round #548 (Div. 2)

A. Even Substrings Description: You are given a string s = ...

2019-03-22

0 452

2018 ICPC Asia Jakarta Regional Contest

A. Edit Distance Description: A binary string is a non-empty sequence of 0 0 ...

2019-03-22

0 788

Codeforces Round #547 (Div. 3)

A. Game 23 Description: Polycarp plays “Game 23”. Initially he has a number n n ...

2019-03-20

0 582

2018-2019 ACM-ICPC, Asia Seoul Regional Contest

题目链接 Problems: https://codeforces.com/gym/101987/attachments/download/7921/20182019-acmicpc-asia-seoul-regional-contest-en.pdf Problem A Circuits ...

2019-03-15

0 1132

Codeforces Round #501 (Div. 3)

A. Points in Segments Description: You are given a set of n n n seg...

2019-03-12

0 537

POJ 3259 Wormholes(BellmanFord)

Description: While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a on...

2019-03-12

0 797

POJ 3046 Ant Counting(dp)

Description: Bessie was poking around the ant hill one day watching the ants march to and fro while gathering food. She realized that many of the ant...

2019-03-12

0 772

BZOJ 3196 洛谷 P3380 二逼平衡树(线段树套伸展树)

Description: 您需要写一种数据结构（可参考题目标题），来维护一个有序数列，其中需要提供以下操作：查询k在区间内的排名查询区间内排名为k的值修改某一位值上的数值查询k在区间内的前驱(前驱定义为严格小于x，且最大的数，若不存在输出-2147483647) 查...

2019-03-10

0 428

BZOJ 1208 洛谷 P2286 [HNOI2004]宠物收养所(伸展树Splay)

Description: 凡凡开了一间宠物收养场。收养场提供两种服务：收养被主人遗弃的宠物和让新的主人领养这些宠物。每个领养者都希望领养到自己满意的宠物，凡凡根据领养者的要求通过他自己发明的一个特殊的公式，得出该领养者希望领养的宠物的特点值a（a是一个正整数，a<2^31），而他也给每个...

2019-03-09

0 511