#include<stdio.h>
int n,i,j,k,a[101][101];
void read(),solve();
int main()
{
	read();
	solve();
	return 0;
}
void read()
{
	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]);
}
void solve()
{
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
		{
			if(k==i||!a[i][k])continue;
			for(j=1;j<=n;j++)
			{
				if(k==j||i==j||!a[i][k]||!a[k][j])continue;
				if(!a[i][j]||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]);
	}
}