#include<fstream>

using namespace std;

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

int mat[101][101];

int main() {
    int n;
    fin >> n;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            fin >> mat[i][j];
            if(mat[i][j] == 0 && i != j)
                mat[i][j] = 1001; // in loc de INF pt ca numerele nu depasesc 1000
        }
    }

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(mat[i][j] > mat[i][k] + mat[k][j])
                    mat[i][j] = mat[i][k] + mat[k][j];

    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            if(mat[i][j] == 1001)
                fout << 0 << " ";
            else
                fout << mat[i][j] << " ";
        }
        fout << endl;
    }
    return 0;
}