Submission #1282998

#	Time	Username	Problem	Language	Result	Execution time	Memory
1282998		bakhtiyarn	Money (IZhO17_money)	C++20	45 / 100	17 ms	2744 KiB

money

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

const int N = 3e5+5;
int a[N];

// for(int i=1; i<=n; i++) 
void solve(){
  int n; cin >> n;
  for(int i=1; i<=n; i++) cin >> a[i];
  
  multiset<int> ms;
  ms.insert(0);
  ms.insert(1e9);
  
  int ans = 0, left = 1;
  for(int i=1; i<=n; i++) {
    if(a[i] < a[i-1]) {
      for(int j=left; j<i; j++) ms.insert(a[j]);
      ans++, left = i;
      continue;
    }
    
    int big = *ms.upper_bound(a[left]);
    if(big >= a[i]) continue;
    
    for(int j=left; j<i; j++) ms.insert(a[j]);
    ans++, left = i;
  }
  cout << ans+1;
}

signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  solve();
}

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