对称矩形

/* Note:Your choice is C IDE */
#include "stdio.h"
#include "stdlib.h"
#define n 3
main()
{int i,j,a[n][n];
	for(i=0;i<n;i++)
	{for(j=0;j<n;j++)
		a[i][j]=rand();}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++)
		if(i!=j)
		a[i][j]=a[j][i];}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++)
		printf("%d ",a[i][j]);
		printf("\n");}
    
}