#include <iostream>
#include <fstream>
#include <vector>
#include <climits> // For INT_MAX

using namespace std;

int main()
{
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    
    int n;
    fin >> n;
    
    vector<vector<int>> D(n + 1, vector<int>(n + 1));
    
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            fin >> D[i][j];
            
            if(i != j && D[i][j] == 0) {
                D[i][j] = 1e9;
            }
        }
    }
    
    for(int k = 1; k <= n; k++) {
        for(int i = 1; i <= n; i++) {
            for(int j = 1; j <= n; j++) {
                if(D[i][k] != 1e9 && D[k][j] != 1e9)
                    D[i][j] = min(D[i][j], D[i][k] + D[k][j]);
            }
        }
    }
    
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            if(D[i][j] == 1e9) fout << 0 << ' ';
            else fout << D[i][j] << ' ';
        }
        fout << endl;
    }

    return 0;
}