| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
Re:大牛们帮我看看这段代码,很短,老是WAIn Reply To:大牛们帮我看看这段代码,很短,老师WA Posted by:200830740509 at 2009-08-11 20:46:59 > #include <cstdio>
> #include <algorithm>
> #include <functional>
> #include<cstdlib>
> #include<iostream>
> #include<cstring>
> using namespace std;
> char a[8][8];
> bool can[8];
> int n,k;
> long c;
> void dfs(int i,int num)
> {
> for(int j=0;j<n;j++)
> {
> if(a[i][j]=='#'&&can[j]==true)
> {
> can[j]=false;
> num--;
> if(i+1<n&&num>0)
> dfs(i+1,num);
> else if(num==0)
> c++;
> num++;
> can[j]=true;
> }
> }
> }
> int main()
> {
> while(scanf("%d%d",&n,&k)!=EOF)
> {
> if(n==-1&&k==-1)
> break;
> for(int i=0;i<8;i++)
> can[i]=true;
> for(int i=0;i<n;i++)
> for(int j=0;j<n;j++)
> cin>>a[i][j];
> c=0;
> for(int i=0;i<n;i++)
> dfs(i,k);
> cout<<c<<endl;
> }
> system("pause");
> return 0;
> }
>
Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator