답안 #1091529

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1091529	2024-09-21T06:44:21 Z	stdfloat	Global Warming (CEOI18_glo)	C++17	38 / 100	2000 ms	3164 KB

glo

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

using ll = long long;

#define all(v) (v).begin(), v.end()

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n, x;
	cin >> n >> x;

	vector<int> a(n);
	for (auto &i : a)
		cin >> i;

	if (!x) {
		vector<int> v;
		for (int i = 0; i < n; i++) {
			if (v.empty() || v.back() < a[i]) v.push_back(a[i]);
			else v[lower_bound(all(v), a[i]) - v.begin()] = a[i];
		}

		return cout << (int)v.size(), 0;
	}

	int ans = 0;
	vector<int> v1, v2;
	for (int i = 0; i < n; i++) {
		vector<int> u1 = v1, u2 = v2;
		for (int j = i; j < n; j++) {
			a[j] += x;
			if (u1.empty() || u1.back() < a[j]) u1.push_back(a[j]);
			else u1[lower_bound(all(u1), a[j]) - u1.begin()] = a[j];

			a[j] -= x;
			if (u2.empty() || u2.back() < a[j]) u2.push_back(a[j]);
			else u2[lower_bound(all(u2), a[j]) - u2.begin()] = a[j];
		}

		ans = max({ans, (int)u1.size(), (int)u2.size()});

		if (v1.empty() || v1.back() < a[i]) v1.push_back(a[i]);
		else v1[lower_bound(all(v1), a[i]) - v1.begin()] = a[i];

		a[i] -= x;
		if (v2.empty() || v2.back() < a[i]) v2.push_back(a[i]);
		else v2[lower_bound(all(v2), a[i]) - v2.begin()] = a[i];
	}

	cout << ans << '\n';
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct

Subtask #3

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	9 ms	348 KB	Output is correct
20	Correct	8 ms	348 KB	Output is correct
21	Correct	8 ms	492 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	6 ms	348 KB	Output is correct
24	Correct	6 ms	348 KB	Output is correct
25	Correct	3 ms	348 KB	Output is correct
26	Correct	5 ms	344 KB	Output is correct

Subtask #4

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	3164 KB	Output is correct
2	Correct	23 ms	3160 KB	Output is correct
3	Correct	23 ms	3160 KB	Output is correct
4	Correct	25 ms	3164 KB	Output is correct
5	Correct	12 ms	3036 KB	Output is correct

Subtask #5

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	2023 ms	1184 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	2063 ms	2076 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	9 ms	348 KB	Output is correct
20	Correct	8 ms	348 KB	Output is correct
21	Correct	8 ms	492 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	6 ms	348 KB	Output is correct
24	Correct	6 ms	348 KB	Output is correct
25	Correct	3 ms	348 KB	Output is correct
26	Correct	5 ms	344 KB	Output is correct
27	Correct	23 ms	3164 KB	Output is correct
28	Correct	23 ms	3160 KB	Output is correct
29	Correct	23 ms	3160 KB	Output is correct
30	Correct	25 ms	3164 KB	Output is correct
31	Correct	12 ms	3036 KB	Output is correct
32	Execution timed out	2023 ms	1184 KB	Time limit exceeded
33	Halted	0 ms	0 KB	-