Submission #533497

#	Time	Username	Problem	Language	Result	Execution time	Memory
533497		makanhulia	Money (IZhO17_money)	C++17	100 / 100	919 ms	58120 KiB

money

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

int n;
set<int> sim;
int ans = 0;
int arr[1000005];

int main(){
    ios::sync_with_stdio(0); cin.tie(0);
    cin >> n;
    for(int i = 0; i < n; i++){
        cin >> arr[i];
    }

    ans++;
    int batas = 1000000000;
    for(int i = 0; i < n; i++){
        if(i != 0 && (arr[i] < arr[i - 1] || arr[i] > batas)){
            ans++;
            set<int>::iterator it = sim.upper_bound(arr[i]);
            if(it == sim.end()){
                batas = 1000000000;
            }else{
                batas = *it;
            }
        }
        sim.insert(arr[i]);
    }
    cout << ans << "\n";

}

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