#include <bits/stdc++.h>

using namespace std;

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

int n;
int ma[101][101];
int md[101][101]; //matrice pentru algoritm

void read() {
    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            fin >> ma[i][j], md[i][j] = ma[i][j];
}

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

void print() {
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++)
            fout << md[i][j] << " ";
        fout << "\n";
    }
}

void fclose() {
    fin.close(), fout.close();
}

int main() {
    read();
    royfloid();
    print();
    fclose();
    return 0;
}