#include <bits/stdc++.h>

using namespace std;

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

int a[105][105];

int main()
{
    int n;
    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(i != j && a[i][k] != 0 && a[k][j] != 0)
                {
                    if(a[i][j] != 0)
                        a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                    else a[i][j] = a[i][k] + a[k][j];
                }
    for(int i = 1; i <= n; i++, fout << "\n")
        for(int j = 1; j <= n; j++)
                fout << a[i][j] << " ";

    return 0;
}