#include <bits/stdc++.h>

using namespace std;

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

int n;
int v[101][101];

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

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

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

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