Codeforces Round #560 (Div. 3) F2. Microtransactions (hard version) 题意: 现在有一个人他每天早上获得1块钱,现在有\(n\)种商品,每种商品最后需要\(k_i\)个:现在有\(m\)个打折信息,每个打折信息包含\(d_i,t_i\),表示第\(t_i\)种商品在第\(d_i\)天打折.如果没有打折的话一个商品卖两块钱,否则卖一块钱. 现在他可以在任意一天买任意多个商品,当然钱要够用,问最少需要多少天才能把所有需要的商品买完.…

A. Remainder Codeforces Round #560 (Div. 3) You are given a huge decimal number consisting of nn digits. It is guaranteed that this number has no leading zeros. Each digit of this number is either 0 or 1. You may perform several (possibly zero) opera…

题目链接:戳我 于是...风浔凌弱菜又去写了一场div.3 总的来说,真的是比较简单.......就是.......不开long long见祖宗 贴上题解-- A 给定一个数,为01串,每次可以翻转一个位置上的数,问最少几步可以使得它模\(10^x\)余\(10^y\) 从后往前贪心即可. #include<iostream> #include<cstdio> #include<algorithm> #include<cmath> #include<c…

A. Remainder output standard output You are given a huge decimal number consisting of nn digits. It is guaranteed that this number has no leading zeros. Each digit of this number is either 0 or 1. You may perform several (possibly zero) operations wi…

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…

直达–>Codeforces Round #368 (Div. 2) A Brain’s Photos 给你一个NxM的矩阵,一个字母代表一种颜色,如果有”C”,”M”,”Y”三种中任意一种就输出”#Color”,如果只有”G”,”B”,”W”就输出”#Black&White”. #include <cstdio> #include <cstring> using namespace std; const int maxn = 200; const int INF =…

 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 #279 (Div. 2) 做得我都变绿了! Problems     # Name     A Team Olympiad standard input/output 1 s, 256 MB  x2377 B Queue standard input/output 2 s, 256 MB  x1250 C Hacking Cypher standard input/output 1 s, 256 MB  x740 D Chocolate standard in…

Codeforces Round #262 (Div. 2) 1003 C. Present time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Little beaver is a beginner programmer, so informatics is his favorite subject. Soon his info…