#include <stdio.h>
long a[110][110],n;
void citire()
{
	int i,j;
	scanf("%d",&n);
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			scanf("%ld",&a[i][j]);
}
void solve()
{int i,j,k;
 long s;
 for(k=0;k<n;k++)
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
		       if (i!=j) if (i!=k) if(k!=j) if(a[i][k] > 0) if(a[k][j] > 0) {
				s = a[i][k] + a[k][j];
				if (a[i][j] > s) a[i][j] = s;
			}
 for(i=0;i<n;i++)
	{
		for(j=0;j<n;j++)
			printf("%ld ",a[i][j]);
		printf("\n");
	}
 }
int main()
{
 freopen ("royfloyd.in", "r", stdin);
 freopen ("royfloyd.out", "w", stdout);
 citire();
 solve();
 return 0;}