Submission #1152392

#	Time	Username	Problem	Language	Result	Execution time	Memory
1152392		hamzabc	Money (IZhO17_money)	C++20	0 / 100	0 ms	328 KiB

money

#include <bits/stdc++.h>
 

using namespace std;
 
 
#define all(x) x.begin(), x.end()
#define mod 1000000007
#define sp << " " <<
#define endl << '\n'


signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
	long long int N;
	cin >> N;
	vector<long long int> lst(N);
	for (int i = 0; i < N; i++){
		cin >> lst[i];
	}
	long long int ret = 1;
	set<long long int> st;
	st.insert(lst[0]);
	for (int i = 1; i < N; i++){
		if (lst[i] < lst[i - 1] || (lst[i - 1] != lst[i] && st.upper_bound(lst[i - 1]) != st.lower_bound(lst[i]))){
			ret++;
		}
		st.insert(lst[i]);
	}
	cout << ret;
}

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