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printf("%lld\n" , f[n][n]);改成 printf("%I64d\n" , f[n][n]);就可以了 ....In Reply To:Re:为什么我还是WA 啊？请高手帮帮忙看看（附程序） Posted by:ericsummer at 2005-11-10 14:32:03 > #include <stdio.h>
> #include <iostream.h>
> #define maxn 35
>
> char a[maxn][maxn];
> _int64 f[maxn][maxn];
>
>
>
> int n;
>
> int main()
> {
> int i ,j ,k , m;
> while(cin>>n &&n!=-1)
> {
> for(i=1 ; i<=n ; i++)
> for(j=1 ;j<=n ;j++)
> {
> cin >> a[i][j];
> f[i][j]=0;
> }
> f[1][1] =1;
> for(i=1 ; i<=n ;i++)
> {
> for(j=1 ; j<=n ;j++)
> {
> for(k =1 ; k<=i-1 ;k++)
> if(i-k==a[k][j]-'0')
> f[i][j] += f[k][j];
> for(m =1 ; m<=j-1 ;m++)
> if(j-m == a[i][m]-'0')
> f[i][j] += f[i][m];
> }
> }
>
> printf("%lld\n" , f[n][n]);
> }
> return 0;
>
> }
>
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