Submission #765561

#	Time	Username	Problem	Language	Result	Execution time	Memory
765561		Ahmed57	Money (IZhO17_money)	C++17	100 / 100	1012 ms	61852 KiB

money

#include<bits/stdc++.h>

using namespace std;

int main(){
    int n;
    cin>>n;
    long long arr[n+1];
    for(int i = 0;i<n;i++){
        cin>>arr[i];
    }
    arr[n] = 0;
    set<int> s;
    int ans = 0;
    auto it = s.end();
    for(int i = 1;i<=n;i++){
        s.insert(arr[i-1]);
        if(arr[i]<arr[i-1]||(it!=s.end()&&(*it)<arr[i])){
            ans++;
            it = s.upper_bound(arr[i]);
        }
    }
    cout<<ans<<endl;
}

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