#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(i!=j&&(!a[i][j]||(a[i][j]>a[i][k]+a[k][j]))&&a[i][k]&&a[k][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;
}