#include <stdio.h>
long a[110][110],n;
void citire()
{
	int i,j;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			scanf("%ld",&a[i][j]);
}
void solve()
{int i,j,k;
 long s;
 for(k=1;k<=n;k++)
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			if((a[i][k]+a[k][j]<a[i][j] || a[i][j]==0)  && a[i][k] && a[k][j]  && i!=j)
			 a[i][j]=a[i][k]+a[k][j];
 for(i=1;i<=n;i++)
	{
		for(j=1;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;}