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Re:在vc下正确运行,在这却wrong answer,是为什么啊In Reply To:在vc下正确运行,在这却wrong answer,是为什么啊 Posted by:finalhope at 2013-03-21 11:15:11 >
>
> #include <stdio.h>
>
> int arr[21][21][21];
>
>
>
>
> int main()
> {
> int a;
> int b;
> int c;
> int i,j,k;
> for(i=0;i<21;i++)
> {
> for(j=0;j<21;j++)
> {
> arr[0][i][j]=1;
> arr[i][0][j]=1;
> arr[i][j][0]=1;
> }
> }
> for(i=1;i<21;i++)
> {
> for(j=1;j<21;j++)
> {
> for(k=1;k<21;k++)
> {
> if(i<j&&j<k)
> arr[i][j][k]=arr[i][j][k-1]+arr[i][j-1][k-1]-arr[i][j-1][k];
> else
> arr[i][j][k]=arr[i-1][j][k]+arr[i-1][j-1][k]+arr[i-1][j][k-1]-arr[i-1][j-1][k-1];
> }
> }
> }
> while(scanf("%d%d%d",&a,&b,&c)!=EOF)
> {
> if(a==-1&&b==-1&&c==-1)break;
> if(a<=0||b<=0||c<=0)printf("W(%d, %d, %d) = %d\n",a,b,c,1);
> else if(a>=20||b>=20||c>=20)printf("W(%d, %d, %d) = %d\n",a,b,c,arr[20][20][20]);
> else printf("W(%d, %d, %d) = %d\n",a,b,c,arr[a][b][c]);
>
> }
> return 0;
> }
把W改成w就可以了
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