#include <fstream>

using namespace std;

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

long long a[105][105];

long long n;

int main() {
    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++) {
            fin >> a[i][j];
            if(a[i][j] == 0)
                a[i][j] = 999999999;
        }
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            if(i != k)
                for(int j = 1; j <= n; j++)
                    if(j != i && j != k && a[i][j] > a[i][k] + a[k][j])
                        a[i][j] = a[i][k] + a[k][j];
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            if(a[i][j] == 999999999)
                fout << "0 ";
            else
                fout << a[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}