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Re:为什么wa呢?In Reply To:wa Posted by:Headacher at 2008-09-15 23:28:06 > //pku1579 > #include<iostream> > using namespace std; > int w[25][25][25]; > void set() > { > int i,j,k; > for(i=0;i<=20;i++) > for(j=0;j<=20;j++) > w[i][j][0]=w[i][0][j]=w[0][i][j]=1; > for(i=1;i<=20;i++) > for(j=1;j<=20;j++) > for(k=1;k<=20;k++) > { > if(i<j&&j<k) > w[i][j][k]=w[i][j][k-1]+ w[i][j-1][k-1]-w[i][j-1][k]; > else > w[i][j][k]=w[i-1][j][k]+ w[i-1][j-1][k]+w[i-1][j][k-1]-w[i-1][j-1][k-1]; > } > } > int main() > { int a,b,c; > set(); > while(scanf("%d %d %d",&a,&b,&c)!=EOF) > { if(a==-1&&b==-1&&c==-1) > break; > printf("w(%d %d %d) = ",a,b,c); > if(a<=0||b<=0||c<=0) > { printf("%d\n",w[0][0][0]); > > } > else if(a>20||b>20||c>20) > { printf("%d\n",w[20][20][20]); } > else printf("%d\n",w[a][b][c]); > } > system("pause"); > return 0; > } > Followed by: Post your reply here: |
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