출처
- 2024 Sogang Programming Contest Master A번
- 2024 Sogang Programming Contest Champion A번
문제
풀이
#include <iostream>
using namespace std;
void solve(void) {
int sx, sy; cin >> sx >> sy;
int ex, ey; cin >> ex >> ey;
int px, py; cin >> px >> py;
if (sx == ex) {
cout << ((sx == px && sy < py && py < ey) || (sx == px && ey < py && py < sy) ? 2 : 0);
} else if (sy == ey) {
cout << ((sy == py && sx < px && px < ex) || (sy == py && ex < px && px < sx) ? 2 : 0);
} else {
cout << 1;
}
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}