#include <bits/stdc++.h>
#define oo 2e9
using namespace std;

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

int n , a[105][105];

int main()
{
    int i , j , k;
    fin >> n;
    for(i = 1;i <= n;i++)
        for(j = 1;j <= n;j++)
        {
            fin >> a[i][j];
            if(a[i][j] == 0) a[i][j] = oo;
        }
    for(k = 1;k <= n;k++)
        for(i = 1;i <= n;i++)
            for(j = 1;j <= n;j++)
                if(i != j and i != k and j != k and 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++)
            if(a[i][j] == oo) fout << "0 ";
            else fout << a[i][j] << " ";
        fout << "\n";
    }
    return 0;
}