#include<stdio.h>
int i,j,k,N,a[101][101];
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 (a[i][k] && a[k][j] && i!=j && (a[i][j] > a[i][k] + a[k][j] || !a[i][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("\n");
	}
}