#include <bits/stdc++.h>

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n, m, a[101][101];

int main()
{
    in >> n;
    for(int i = 1;i <= n;i++)
        for(int j = 1;j <= n;j++)
            in >> 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][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++)
            out << a[i][j] << " ";
        out << '\n';
    }
    return 0;
}