#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101],b[101][101],i,j,n,k;
int main()
{
f>>n;
for (i=1;i<=n;i++)
{
    for (j=1;j<=n;j++) {f>>a[i][j];
    if (a[i][j]==0 && i!=j) a[i][j]=20000000;}
}


for (k=1;k<=n;k++)
{
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
             a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
        }
    }
}
for (i=1;i<=n;i++)
{
    for (j=1;j<=n;j++) g<<a[i][j]<<" ";
    g<<"\n";
}


    return 0;
}