Submission #759692

#	Time	Username	Problem	Language	Result	Execution time	Memory
759692		NK_	Money (IZhO17_money)	C++17	100 / 100	820 ms	57916 KiB

money

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'
#define pb push_back
#define sz(x) int(x.size())

const int INF = 1e9+10;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int N; cin >> N;
	vector<int> A(N); for(auto& x : A) cin >> x;

	set<int> S = {INF};

	int ans = 0;
	for(int i = 0; i < N; i++) {
		int mx = *S.upper_bound(A[i]); S.insert(A[i]);
		while(i+1 < N && A[i] <= A[i+1] && A[i+1] <= mx) i++, S.insert(A[i]);
		ans++;
	}
	cout << ans << nl;


}

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