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Re:水过,,附代码留念In Reply To:水过,,附代码留念 Posted by:dut317410027 at 2010-05-23 19:15:57 > #include <stdio.h>
> #include <stdlib.h>
> int a[10000][10000];
> int main()
> {
> int n,m,i,j,flag,k;
> while (scanf("%d%d",&n,&m)!=EOF)
> {
> k=65;
> if (n%2==0)
> {
> flag=n/2;
> for (i=0;i<flag;i++)
> {
> for (j=i;j<m-i;j++)
> {
> a[i][j]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
> }
> for (j=i+1;j<n-i-1;j++)
> {
> a[j][m-i-1]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
>
> }
> for (j=m-i-1;j>=i;j--)
> {
> a[n-1-i][j]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
> }
> for (j=n-i-2;j>=i+1;j--)
> {
> a[j][i]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
> }
> }
> for (i=0;i<n;i++)
> {
> for (j=0;j<m;j++)
> {
> printf(" %c",a[i][j]);
> }
> printf("\n");
> }
> }
> else
> {
> flag=n/2+1;
>
> for (i=0;i<flag;i++)
> {
> for (j=i;j<m-i;j++)
> {
> a[i][j]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
> }
> for (j=i+1;j<n-i-1;j++)
> {
> a[j][m-i-1]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
>
> }
>
> if (i!=flag-1)
> for (j=m-i-1;j>=i;j--)
> {
> a[n-1-i][j]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
> }
> for (j=n-i-2;j>=i+1;j--)
> {
> a[j][i]=k;
> k++;
> if (k==91)
> {
> k=65;
> }
> }
> }
> for (i=0;i<n;i++)
> {
> for (j=0;j<m;j++)
> {
> printf(" %c",a[i][j]);
> }
> printf("\n");
> }
> }
> }
> return 0;
> }
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