# include <stdio.h>
# define CITIES 5

/** dimioyrgia pinaka apostaseon **/
int main()
{
	double x[CITIES][CITIES];
	int i,j;                      
	for(i=0;i<CITIES;i++)
	{
		for(j=0;j<i;j++)
		{
			do
			{
				printf("Dose apostasi dist[%2d][%2d]\n",i,j);
				scanf("%lf",&x[i][j]);
			}while(x[i][j]<0);
			x[j][i]=x[i][j];
		}
	}
	for(i=0;i<CITIES;i++)
	{
		for(j=0;j<CITIES;j++)
		{
			printf("%8.2lf",x[i][j]);
		}
		printf("\n");
	}
 return 0;
}