#include <fstream>

using namespace std;

int v[105][105], n;

void read(){
    ifstream fin ("royfloyd.in");
    fin >> n;
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
            fin >> v[i][j];
    fin.close();
}

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

void write(){
    ofstream fout ("royfloyd.out");
    for (int i = 0; i < n; ++i){
        for (int j = 0; j < n; ++j)
            fout << v[i][j] << " ";
        fout << "\n";
    }
    fout.close();
}

int main(){
    read();
    royfloyd();
    write();
    return 0;
}