#include <bits/stdc++.h>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n, mat[105][105];

int main()
{
    f >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            f >> mat[i][j];
        }
    }

    for(int k = 1; k <= n; k++){
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= n; j++){
                if(mat[i][k] != 0  && mat[k][j] != 0){
                    if((mat[i][j] == 0 && i != j) || (mat[i][j] > mat[i][k] + mat[k][j])){
                        mat[i][j] = mat[i][k] + mat[k][j];
                    }
                }
            }
        }
    }

     for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            g << mat[i][j] << " ";
        }
        g << '\n';
    }
    return 0;
}