제출 #765561

#제출 시각아이디문제언어결과실행 시간메모리
765561Ahmed57Money (IZhO17_money)C++17
100 / 100
1012 ms61852 KiB
#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;
}
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