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在vc下正确运行,在这却wrong answer,是为什么啊#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; } Followed by:
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