#include <iostream>
#include <fstream>
using namespace std;

const int inf = 1e9;

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];
            if(i != j && a[i][j] == 0) a[i][j] = inf;
        }

    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] + a[k][j] < a[i][j])
                    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;
}