#include <fstream>

using namespace std;

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

int main(){

    int n;
    fin >> n;

    int minimumDistanceMatrix[101][101];
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            fin >> minimumDistanceMatrix[i][j];

    for(int k = 1; k <= n; k++){
        for(int i = 1; i <= n; i++)
            for(int j = 0; j <= n; j++) {
                if(minimumDistanceMatrix[i][k] != 0 && minimumDistanceMatrix[k][j] != 0)
                    minimumDistanceMatrix[i][j] = min(minimumDistanceMatrix[i][j],
                                                  minimumDistanceMatrix[i][k] + minimumDistanceMatrix[k][j]);
            }
    }

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++)
            fout << minimumDistanceMatrix[i][j] << " ";
        fout << endl;
    }

    return 0;
}