#include<cstdio>
using namespace std;

int n,i,j,k,oo=1<<30,V[105][105],S[105][105];

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",&V[i][j]);
			if(i==j)S[i][j]=0;
		}
}

void solve()
{
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
			{
				if(V[i][k]&&V[k][j]&&(V[i][k]+V[k][j]<V[i][j] || !V[i][j])&&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");
	}
}