#include<stdio.h>
int main()
{
    int x,y,z,a[3][3];
    x=0,y=3/2;
    for(z=1;z<=9;z++)
    {
        a[x][y]=z,x--,y++;
        if(x<0)
            x=3-1;
        else if(y>=3)
            y=1;
        if(a[x][y]!=0)
            x=x+1;
        printf("%-5d",a[x][y]);
        if(y==3)
        printf("\n");
    }
    return 0;
}

输出结果是    3    -858993460-8589934603    4    5    6    7    8    Press any key to continue