#include <fstream>

using namespace std;

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

int main() {

    int n;
    fin >> n;

    int minimumDistanceMatrix[101][101];
    int MAX_VALUE = 1000 * 100 * 100 + 1;

    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++) {
            int x;
            fin >> x;
            if (x != 0 || i == j)
                minimumDistanceMatrix[i][j] = x;
            else
                minimumDistanceMatrix[i][j] = MAX_VALUE;
        }
    }

    for(int k = 1; k <= n; k++){
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++) {
                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++) {
            if(minimumDistanceMatrix[i][j] != MAX_VALUE)
                fout << minimumDistanceMatrix[i][j] << " ";
            else
                fout << 0 << " ";
        }
        fout << endl;
    }

    return 0;
}