A. Inna and Choose Options time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There always is something to choose from! And now, instead of "Noughts and Crosses", Inna choose a very unusu…
B. Inna and New Matrix of Candies time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Inna likes sweets and a game called the "Candy Matrix". Today, she came up with the new game "Can…
A. Inna and Choose Options time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There always is something to choose from! And now, instead of "Noughts and Crosses", Inna choose a very unusu…
A. Inna and Choose Options time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There always is something to choose from! And now, instead of "Noughts and Crosses", Inna choose a very unusu…
A. Inna and Choose Options time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There always is something to choose from! And now, instead of "Noughts and Crosses", Inna choose a very unusu…
B. Inna and New Matrix of Candies time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Inna likes sweets and a game called the "Candy Matrix". Today, she came up with the new game "Can…
B. Inna and New Matrix of Candies time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Inna likes sweets and a game called the "Candy Matrix". Today, she came up with the new game "Can…
F. Ivan and Burgers 题目链接:https://codeforces.com/contest/1100/problem/F 题意: 给出n个数,然后有多个询问,每次回答询问所给出的区间的异或和最大值. 题解: 考虑离线做法,先把所有的询问区间按照右端点进行排序,然后从1开始逐个将ai插入,插入线性基的同时记录一下位置,最后扫一下,看看哪些的位置是不小于li的即可加入答案. 这种做法在时间复杂度上面是可行的,但是需要注意的是,如果在i这个位置插入最高位为x的线性基,同时在j这个位…
D. MADMAX time limit per test1 second memory limit per test256 megabytes Problem Description As we all know, Max is the best video game player among her friends. Her friends were so jealous of hers, that they created an actual game just to prove that…
B. Radio Station time limit per test2 seconds memory limit per test256 megabytes Problem Dsecription As the guys fried the radio station facilities, the school principal gave them tasks as a punishment. Dustin's task was to add comments to nginx conf…
A. DZY Loves Chessboard time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chessboard, and he enjoys playing with it. He has a chessboard of n rows and m columns. Some cells of the c…
C. DZY Loves Sequences time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY has a sequence a, consisting of n integers. We'll call a sequence ai, ai + 1, ..., aj (1 ≤ i ≤ j ≤ n) a subsegment…
B. DZY Loves Chemistry time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chemistry, and he enjoys mixing chemicals. DZY has n chemicals, and m pairs of them will react. He wants to…
Inna and Choose Options Time Limit: 1000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 400A64-bit integer IO format: %I64d Java class name: (Any) There always is something to choose from! And now, instead of…
Codeforces Round #739 (Div. 3) 20210907.网址:https://codeforces.com/contest/1560. --(叹). A 不希望出现带"3"的数和3的倍数,把剩下的数从小到大排,问第k个是多少.数据范围很小,因此是大水题. B 偶数个人围成圈,按顺时针给每个人编号,不知道总共多少人.问题是,如果知道a和b面对面,那么c和谁面对面.简单的讨论,注意围不成圈的情况(如1和3面对面,问99对面是谁). C 用一种方式(详见题目,很容易的…
Codeforces Round #366 (Div. 2) A I hate that I love that I hate it水题 #I hate that I love that I hate it n = int(raw_input()) s = "" a = ["I hate that ","I love that ", "I hate it","I love it"] for i in ran…
Codeforces Round #354 (Div. 2) Problems # Name A Nicholas and Permutation standard input/output 1 s, 256 MB x3384 B Pyramid of Glasses standard input/output 1 s, 256 MB x1462 C Vasya and String standard input/output 1 s, 256 MB x1393…
cf之路,1,Codeforces Round #345 (Div. 2) ps:昨天第一次参加cf比赛,比赛之前为了熟悉下cf比赛题目的难度.所以做了round#345连试试水的深浅..... 其实这个应该是昨天就写完的,不过没时间了,就留到了今天.. 地址:http://codeforces.com/contest/651/problem/A A. Joysticks time limit per test 1 second memory limit per test 256…
Codeforces Round #262 (Div. 2) 1004 D. Little Victor and Set time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Victor adores the sets theory. Let us remind you that a set is a group of…
