#include <bits/stdc++.h>

using namespace std;

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

int n;
int a[101][101];

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

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

    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j) fout << a[i][j] << " ";
        fout << "\n";
    }
    return 0;
}