#include <fstream>

using namespace std;

int a[105][105],n;

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

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

    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
                    fin >> a[i][j];

    royfloyd();

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++)
            fout << a[i][j] << " " ;
        fout << endl;
    }

return 0;
}