제출 #173773

#제출 시각아이디문제언어결과실행 시간메모리
173773AllMightMoney (IZhO17_money)C++14
100 / 100
1391 ms58224 KiB
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <set>

using namespace std;

const int N = 1000006;
const int INF = 100000009;

int n;
int a[N];

int main()
{
	ios_base::sync_with_stdio(false);

	cin >> n;
	for (int i = 0; i < n; i++)
		cin >> a[i];

	set <int> st;
	st.insert(INF);
	int ans = 0;
	for (int i = 0; i < n; i++) {
		int mx = *st.upper_bound(a[i]);
		st.insert(a[i]);

		while (i < n - 1 && a[i] <= a[i + 1] && a[i + 1] <= mx) {
			st.insert(a[i + 1]);
			i++;
		}
		ans++;
	}

	cout << ans << endl;

	return 0;
}
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