Submission #1308989

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308989		ppmn_6	Global Warming (CEOI18_glo)	C++20	10 / 100	49 ms	5844 KiB

glo

#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
 
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
 
// https://codeforces.com/blog/entry/79148
class Timer: chrono::high_resolution_clock {
    const time_point start_time;
public:
    Timer(): start_time(now()) {}
    rep elapsed_time() const {
		return chrono::duration_cast<chrono::milliseconds>(now() - start_time).count();
	}
} timer;
 
int main() {
    cin.tie(0);
    ios::sync_with_stdio(0);
    int n, x;
    cin >> n >> x;
    vector<int> a(n);
    set<int> s;
    for (int i = 0; i < n; i++) {
		cin >> a[i];
		auto it = s.lower_bound(a[i]);
		if (it != s.end()) {
			s.erase(it);
		}
		s.insert(a[i]);
	}
	cout << s.size();
 
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 13
• Subtask 4: 10 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25