A. Restaurant Tables time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output In a small restaurant there are a tables for one person and b tables for two persons. It it known that n groups of peopl…
codeforces 423 A. Restaurant Tables [水题] //注意,一个人选座位的顺序,先去单人桌,没有则去空的双人桌,再没有则去有一个人坐着的双人桌.读清题意. #include <cstdio> #include <algorithm> #include <cstring> using namespace std; int n, a, b, bb, x; int main() { ; scanf("%d%d%d", &am…
Codeforces Round #423 (Div. 1, rated, based on VK Cup Finals) A.String Reconstruction B. High Load C. DNA Evolution 题意:给定一个只包含A,T,C,G的字符串S,有如下两种操作 1)修改一个点的字母. 2)给定一个字符串e ($\left | e \right |\leq 10$),生成一个由e重复组成的新串,eee...,问$S_{l..r}$中有几个字母跟这个新的字符串一一对应…
题目链接:http://codeforces.com/contest/828 A. Restaurant Tables time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output In a small restaurant there are a tables for one person and b tables for two pers…
Pronlem A In a small restaurant there are a tables for one person and b tables for two persons. It it known that n groups of people come today, each consisting of one or two people. If a group consist of one person, it is seated at a vacant one-seate…
A. Extract Numbers Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/600/problem/A Description You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon…
地址:http://codeforces.com/contest/660/problem/B 题目: B. Seating On Bus time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Consider 2n rows of the seats in a bus. n rows of the seats on the left…