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

const int F = 100000000;

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

    int n, a[105][105];
    fin >> n;

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++) {
            fin >> a[i][j];
            if(a[i][j] == 0 && i != j) a[i][j] = F;
        }

    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] = a[i][k] + a[k][j];

    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            if(a[i][j] == F) fout << 0 << " ";
            else fout << a[i][j] << " ";
        }
        fout << "\n";
    }

    return 0;
}