#include <fstream>

using namespace std;

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

int n;
int G[106][106];
long long D[106][106];

int main()
{
    cin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            cin >> G[i][j];
        
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            D[i][j] = G[i][j];

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(D[i][k] != 0 && D[k][j] != 0)
                    D[i][j] = min(D[i][j], D[i][k] + D[k][j]);

    for(int i = 1; i <= n; i++, cout << '\n')
        for(int j = 1; j <= n; j++)
            cout << D[i][j] << ' '; 

    return 0;
}