805 B. 3-palindrome http://codeforces.com/problemset/problem/805/B /* 题意字符串中不能有长度为三的回文串,且c数量最少 */ #include<iostream> #include<cstdio> #include<cstring> using namespace std; ]={'a','a','b','b'}; int n; int main() { scanf("%d"…
A. Watching a movie time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You have decided to watch the best moments of some movie. There are two buttons on your player: Watch the current minute…
A. Alyona and copybooks time limit per test: 1 second memory limit per test: 256 megabytes input: standard input output: standard output Little girl Alyona is in a shop to buy some copybooks for school. She study four subjects so she wants to have eq…
D. Sea Battle time limit per test: 1 second memory limit per test :256 megabytes input: standard input output: standard output Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships…
