A. 题意:字符串长度n,每次可向左向右跳k个格子.要求不能在障碍物处停留('#'),可以在空地处停留(' . ').给出字符串,从G开始,问能不能到达T. 分析:直接从G处开始向两边搜,如果能到T则输出YES,如果到达边界或到障碍物#停止搜索.. #include<iostream> #include<cstdio> #include<cstring> #include<string> using namespace std; ]; int main()…
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…
CF memsql Start[c]UP 2.0 A A. Golden System time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Piegirl got bored with binary, decimal and other integer based counting systems. Recently she dis…
CF memsql Start[c]UP 2.0 B B. Distributed Join time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Piegirl was asked to implement two table join operation for distributed database system, minim…