#include <fstream>
using namespace std;
/**
 * graf -> matricea ponderilor
 * g[i][i] = 0
 * g[i][j] = costul de la i la j
 * 
 * (x, y) - noduri
 * minCost(x, y)
*/

int main() {
    ifstream read("royfloyd.in");
    ofstream write("royfloyd.out");

    int n, mat[100][100];
    read >> n;

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            read >> mat[i][j];
        }
    }

    for (int k = 0; k < n; k++) {
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                if ((mat[i][j] > mat[i][k] + mat[k][j] || mat[i][j]==0) && i != j && mat[i][k] != 0 && mat[k][j] != 0)
                    mat[i][j] =  mat[i][k] + mat[k][j];
            }
        }
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            write << mat[i][j] << " ";
        }
        write << "\n";
    }

    return 0;
}