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 推薦指數:

查看詳情

CF878DMagic Breeding bitset

CF878DMagic Breeding 題意:有k個物品,每個物品有n項屬性值,第i個人的第j個屬性值為aij,有q個操作: 1 x y 用x和y合成一個新的物品,新物品的編號是++k,新物品的每項屬性值為x和y的對應項的屬性值中的較大值。2 x y 用x和y合成一個新的物品,新物品 ...

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

很不錯的一道構造 題目傳送門 題意 給定一個01序列, 每次可以選擇相鄰的三個數, 將他們異或起來, 並讓這三個數都等於異或結果。 每次操作用一個數x表示, 表示將x, x+1, x+2 異 ...

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

D. New Year and Conference 題意 有\(2n\)個區間,分別為\([sa_1,ea_1],[sb_1,eb_1],[sa_2,ea_2],[sb_2,eb_2],\cdots,[sa_n,ea_n],[sb_n,eb_n]\),每兩個區間為一對,共\(n\)對區間 ...

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

如何獲得這個最小值的最大值,暴力必T,可以試着二分。 而二分的check如何判斷 check(x)思路,把數組轉化成二進制形式,如果當前為大於x,則改位二進制數為1,否則為零, ...

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 題目鏈接: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
 
粵ICP備18138465號   © 2018-2025 CODEPRJ.COM