#include <fstream>
#include <climits>
#define INF INT_MAX
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int rf[101][101];
int main() {
    int n;
    cin >> n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
        {
            cin >> rf[i][j];
            if(!rf[i][j] && i!=j)
                rf[i][j] = INF;
            else if(i==j)
                rf[i][j] = 0;
        }
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                    if(rf[i][j]>rf[i][k]+rf[k][j])
                        rf[i][j]=rf[i][k]+rf[k][j];
    for(int i=1;i<=n;i++,cout << '\n')
        for(int j=1;j<=n;j++)
            if(rf[i][j]==INF)
                cout << 0 << ' ';
            else
                cout << rf[i][j] << ' ';
    return 0;
}