/*二维数组中每个元素在数组所有位置走一遍*/
#include <stdio.h>
#define NUM 12        /*数组元素个数*/
#define COLCOUNT 4   /*列数*/
main()
{
int a[][COLCOUNT]={1,2,3,4,5,6,7,8,9,10,11,12},i,j,row1,row2,col1,col2,mid;
for(j=1;j<NUM;j++)
{
    for(i=1;i<NUM;i++)
    {
        if((col1=i%COLCOUNT)==0)
        {
            col1=COLCOUNT;
            row1=i/COLCOUNT-1;
        }
        else
            row1=i/COLCOUNT;
      
        if((col2=(i+1)%COLCOUNT)==0)
        {
            col2=COLCOUNT;
            row2=(i+1)/COLCOUNT-1;
        }
        else
            row2=(i+1)/COLCOUNT;

        mid=a[row1][col1-1];
        a[row1][col1-1]=a[row2][col2-1];
        a[row2][col2-1]=mid;

        printf("%4d",a[row1][col1-1]);
        if(col1=i%COLCOUNT==0)
            printf("\n");
    }
printf("%4d",a[row2][col2-1]);
printf("\n");
}
getch();
}

[ 本帖最后由 凌彬严 于 2009-8-18 14:00 编辑 ]