#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n,a[105][105];

int main()
{
    int n,i,j,k;
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>a[i][j];

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            {
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j]=a[i][k]+a[k][j];
            }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fout<<a[i][j]<<" ";
        }
        fout<<"\n";
    }
}