#include <fstream>

using namespace std;

ifstream F("royfloyd.in");
ofstream G("royfloyd.out");

int n, a[105][105];

int main()
{
    F >> n;
    for(int i = 1; i <= n; ++ i)
        for(int j = 1; j <= n; ++ j)
            F >> a[i][j];
    for(int k = 1; k <= n; ++ k)
        for(int i = 1; i <= n; ++ i)
            for(int j = 1; j <= n; ++ j)
                if(a[i][k] && a[k][j] && i != j && (a[i][j] > a[i][k]+a[k][j] || !a[i][j]))
                    a[i][j] = a[i][k]+a[k][j];
    for(int i = 1; i <= n; ++ i, G << '\n')
        for(int j = 1; j <= n; ++ j)
            G << a[i][j] << " ";
    return 0;
}