ZeptoLab Code Rush 2015 A. King of Thieves
题目大意:
就是说,对于一个起点,使得从这个起点开始,每次间隔相同的格子后,所经过的地方都是‘*’
解题思路:
直接暴力,枚举起点+枚举公差
代码:
1 # include<cstdio> 2 # include<iostream> 3 4 using namespace std; 5 6 # define MAX 123 7 8 char s[MAX]; 9 int a[MAX]; 10 11 int main(void) 12 { 13 int n; 14 scanf("%d",&n); 15 scanf("%s",s+1); 16 int flag = 0; 17 for ( int i = 1;i <= n;i++ ) 18 { 19 for ( int j = 1;j <= 100;j++ ) 20 { 21 if ( s[i]=='*'&&s[i+j]=='*'&&s[i+2*j]=='*'&&s[i+3*j]=='*'&&s[i+4*j]=='*' ) 22 { 23 flag = 1; 24 break; 25 } 26 } 27 if ( flag ) 28 break; 29 } 30 if ( flag ) 31 cout<<"yes"<<endl; 32 else 33 cout<<"no"<<endl; 34 35 36 37 return 0; 38 }