#include <fstream>

using namespace std;

ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");

int n;
int mat[105][105];
int dp[105][105];

int main() {

    ios::sync_with_stdio(false);
    cin.tie(NULL);

    cin>>n;

    for (int i=1; i<=n; i++){
        for (int j=1; j<=n; j++){
            cin>>mat[i][j];
        }
    }

    for (int k=1; k<=n; k++){
        for (int i=1; i<=n; i++){
            if (k == i || mat[k][i] == 0){
                continue;
            }
            for (int j=1; j<=n; j++){
                if (i == j || mat[k][j] == 0){
                    continue;
                }
                dp[i][j] = min (mat[i][j] , mat[k][j] + mat[i][k]);
                mat[i][j] = dp[i][j];
            }
        }
    }

    for (int i=1; i<=n; i++){
        for (int j=1; j<=n; j++){
            cout<<mat[i][j]<<" ";
        }
        cout<<'\n';
    }

    return 0;
}