#include<cstdio>
using namespace std;

int a[105][105];

int main ()
{
	int n,i,j,k;
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%d",&n);
	for (i=1; i<=n; i++)
		for (j=1; j<=n; j++)
			scanf("%d",&a[i][j]);
	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] && i!=j && (a[i][k]+a[k][j]<a[i][j] || a[i][j]==0))
					a[i][j]=a[i][k]+a[k][j];
	for (i=1; i<=n; i++)
	{
		for (j=1; j<=n; j++)
			printf("%d ",a[i][j]);
		printf("\n");
	}
	return 0;
}