过山车
过山车
https://ac.nowcoder.com/acm/problem/22237
#include <iostream> #include <cmath> #include <algorithm> #include <vector> using namespace std; int main(){ int n, k; cin >> n >> k; if(n > 0 && k > 0 && n > k) { cout << 1 << ' ' << min(k * 2, n - k); } else cout << 0 << ' ' << 0; return 0; }