#include <stdio.h>

int i,j,n,k;
int a[128][128];

int main()
{
	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 (i!=j && a[i][k]!=0 && a[k][j]!=0 && (a[i][j]==0 || a[i][j]>a[i][k]+a[k][j]))
					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("%d\n",a[i][n]);
	}
	return 0;
}