原文:CF878D D. Magic Breeding bitset

D. Magic Breeding time limit per test seconds memory limit per test megabytes input standard input output standard output Nikita and Sasha play a computer game where you have to breed some magical cr ...

2018-09-11 21:43 0 1261 推荐指数:

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CF878DMagic Breeding bitset

CF878DMagic Breeding 题意:有k个物品,每个物品有n项属性值,第i个人的第j个属性值为aij,有q个操作: 1 x y 用x和y合成一个新的物品,新物品的编号是++k,新物品的每项属性值为x和y的对应项的属性值中的较大值。2 x y 用x和y合成一个新的物品,新物品 ...

Sun Dec 24 19:04:00 CST 2017 0 1148
CF1573D D. Xor of 3 | 2500

很不错的一道构造 题目传送门 题意 给定一个01序列, 每次可以选择相邻的三个数, 将他们异或起来, 并让这三个数都等于异或结果。 每次操作用一个数x表示, 表示将x, x+1, x+2 异 ...

Thu Sep 23 23:52:00 CST 2021 0 114
CF Hello2020 D. New Year and Conference

D. New Year and Conference 题意 有\(2n\)个区间,分别为\([sa_1,ea_1],[sb_1,eb_1],[sa_2,ea_2],[sb_2,eb_2],\cdots,[sa_n,ea_n],[sb_n,eb_n]\),每两个区间为一对,共\(n\)对区间 ...

Tue Jan 07 07:00:00 CST 2020 0 237
CF1096:D. Easy Problem(DP)

Vasya is preparing a contest, and now he has written a statement for an easy problem. The statement ...

Sat Dec 29 18:49:00 CST 2018 0 733
D. Minimax Problem

如何获得这个最小值的最大值,暴力必T,可以试着二分。 而二分的check如何判断 check(x)思路,把数组转化成二进制形式,如果当前为大于x,则改位二进制数为1,否则为零, ...

Wed Jan 15 23:35:00 CST 2020 0 265
D. Omkar and Circle

Danny, the local Math Maniac, is fascinated by circles, Omkar's most recent creation. Help him solve ...

Sun Jul 12 18:19:00 CST 2020 5 444
D. Marcin and Training Camp

D. Marcin and Training Camp 题目链接:http://codeforces.com/contest/1230/problem/D time limit per test: 3 seconds memory limit ...

Wed Sep 25 06:55:00 CST 2019 0 370
 
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