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2019-03-26
0
558
Codeforces Round #548 (Div. 2)
A. Even Substrings Description: You are given a string s = ...
2019-03-22
0
433
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
774
Codeforces Round #547 (Div. 3)
A. Game 23 Description: Polycarp plays “Game 23”. Initially he has a number n n ...
2019-03-20
0
571
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
1105
Codeforces Round #501 (Div. 3)
A. Points in Segments Description: You are given a set of n n n seg...
2019-03-12
0
514
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
790
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
748
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
419
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
499
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