#include<cstdio>
#include<algorithm>
using namespace std;
int n,i,j,k,v[105][105];
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",&v[i][j]);
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (i!=j && v[i][k] && v[k][j] && (!v[i][j] || v[i][k]+v[k][j]<v[i][j])) v[i][j]=v[i][k]+v[k][j];
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++) printf("%d ",v[i][j]);
		printf("\n");
	}
}