Submission #533231

#	Time	Username	Problem	Language	Result	Execution time	Memory
533231		devariaota	Money (IZhO17_money)	C++17	0 / 100	1 ms	316 KiB

money

#include <bits/stdc++.h>
using namespace std;

#define nyahalo ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define otsumiko exit(0);
#define mikodanye priority_queue<pair<long long, long long>, vector<pair<long long, long long> >, greater<pair<long long, long long> > >
#define mikochi priority_queue<long long, vector<long long>, greater<long long> >

int main() {
  nyahalo
  long long n;
  cin >> n;
  long long ans = 1, a, pv;
  set<long long> st;
  for (long long i=1; i<=n; i++) {
    cin >> a;
    if (i > 1) {
      auto it = st.lower_bound(a);
      if (it == st.begin()) {
        if (*it != pv || *it>a) {
          ans++;
        }
      } else {
        it--;
        if (*it != pv) {
          it++;
          if (it == st.end()) {
            ans++;
          } else if (*it != pv || *it>a){
            ans++;
          }
        } 
      }
    }
    st.insert(a);
    pv = a;
  }
  cout << ans << "\n";
  otsumiko
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55