#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[105][105], n;

int main()
{
    int i, j, k;
    fin >> n;
    /**
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
            if(i != j) a[i][j] = 1000000000;
            */
    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(i != k && j != i && j != k)
                    if(a[i][k] > 0 && a[k][j] > 0 &&
                    (a[i][j] == 0 || a[i][j] > a[i][k] + a[k][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";
    }
    return 0;
}