#include <fstream>

using namespace std;

int n;
int a[110][110];

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

void read_data() {
    f >> n;
    for( int i = 1; i <= n; i++ )
        for( int j = 1; j <= n; j++ )
            f >> a[i][j];
}

	
void solve() {
	int i, j, k;
	for (k = 1; k <= n; k++)
		for (i = 1; i <= n; i++)
			for (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];
}

void print_data() {
    for( int i = 1; i <= n; i++ ) {
        for( int j = 1; j <= n; j++ )
            g << a[i][j] << " ";
        g << "\n";
    }
}

int main() {
    read_data();
    solve();
    print_data();
    return 0;
}