#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) a[i][j]=2000000;
}
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++)
    {
        if (a[i][j]==2000000 || i==j) a[i][j]=0;
        g<<a[i][j]<<" ";
    }
    g<<"\n";
}



    return 0;
}