# include<iostream> # include<cmath> using namespace std; int main() { int N,g = 0; cin >> N; N--; int b[N][N]; for(int y = 0; y <= N; y++) { for(int x = 0; x <= N; x++) { cin >> b[x][y]; if(b[x][y] > g) { g = b[x][y]; } } } cout << endl << g; return 0; }