Submission #535182

#	Time	Username	Problem	Language	Result	Execution time	Memory
535182		andecaandeci	Money (IZhO17_money)	C++17	100 / 100	1213 ms	54044 KiB

money

// Source: https://usaco.guide/general/io

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

int main() {
  int n; cin >> n;
  int ans = 0, ub = 1e9 + 7;
  set<int> s;
  int prv = 1e9 + 7;

  for(int i=0; i<n; i++){
    int cur; cin >> cur;
    if(prv > cur || cur > ub){
      ans++;
      auto u = s.upper_bound(cur);
      if(u == s.end()) ub = 1e9 + 7;
      else ub = *u;
    }
    s.insert(cur);
    prv = cur;
  }

  cout << ans << endl;
}

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