답안 #906429

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
906429 2024-01-14T09:12:58 Z Nonoze Global Warming (CEOI18_glo) C++17
100 / 100
46 ms 6620 KB
#include <bits/stdc++.h>
using namespace std;
#define int long long

int n, x;
vector<int> t;

int bs(int val, vector<int> &LIS) {
	int l=0, r=LIS.size()-1;
	int ans=-1;
	while (l<=r) {
		int mid=l+(r-l)/2;
		if (LIS[mid]>val) {
			l=mid+1;
			ans=mid+1;
		} else {
			r=mid-1;
		}
	}
	return ans;
}

void solve() {
	cin >> n >> x;
	t.resize(n);
	for (auto &u: t) cin >> u;
	vector<int> corr(n, 0);
	vector<int> LIS;
	for (int i=n-1; i>=0; i--) {
		corr[i]=max(0LL, bs(t[i]-x, LIS));
		int lb=bs(t[i], LIS);
		if (lb>=(int)LIS.size() || i==n-1) {
			LIS.push_back(t[i]);
		} else if (lb==-1) {
			LIS[0]=t[i];
		} else {
			LIS[lb]=t[i];
		}
	}


	
	int ans=1;
	LIS.clear();
	for (int i=0; i<n; i++) {
		auto lb=lower_bound(LIS.begin(), LIS.end(), t[i]);
		if (lb==LIS.end()) {
			LIS.push_back(t[i]);
			ans=max(ans, (int)LIS.size()+corr[i]);
		} else {
			LIS[lb-LIS.begin()]=t[i];
			ans=max(ans, (int)(lb-LIS.begin()+1)+corr[i]);
		}
	}
	cout << ans << endl;
	return;
}

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	solve();
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 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 1 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 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 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 1 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 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 45 ms 5336 KB Output is correct
2 Correct 45 ms 5468 KB Output is correct
3 Correct 46 ms 5532 KB Output is correct
4 Correct 46 ms 5524 KB Output is correct
5 Correct 25 ms 5860 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 1628 KB Output is correct
2 Correct 12 ms 1628 KB Output is correct
3 Correct 11 ms 1628 KB Output is correct
4 Correct 6 ms 1868 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 9 ms 1752 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 2772 KB Output is correct
2 Correct 19 ms 2908 KB Output is correct
3 Correct 39 ms 5468 KB Output is correct
4 Correct 23 ms 5844 KB Output is correct
5 Correct 12 ms 3040 KB Output is correct
6 Correct 21 ms 5588 KB Output is correct
7 Correct 25 ms 6276 KB Output is correct
8 Correct 16 ms 2908 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 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 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 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 1 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 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 45 ms 5336 KB Output is correct
28 Correct 45 ms 5468 KB Output is correct
29 Correct 46 ms 5532 KB Output is correct
30 Correct 46 ms 5524 KB Output is correct
31 Correct 25 ms 5860 KB Output is correct
32 Correct 11 ms 1628 KB Output is correct
33 Correct 12 ms 1628 KB Output is correct
34 Correct 11 ms 1628 KB Output is correct
35 Correct 6 ms 1868 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 6 ms 1912 KB Output is correct
38 Correct 9 ms 1752 KB Output is correct
39 Correct 19 ms 2772 KB Output is correct
40 Correct 19 ms 2908 KB Output is correct
41 Correct 39 ms 5468 KB Output is correct
42 Correct 23 ms 5844 KB Output is correct
43 Correct 12 ms 3040 KB Output is correct
44 Correct 21 ms 5588 KB Output is correct
45 Correct 25 ms 6276 KB Output is correct
46 Correct 16 ms 2908 KB Output is correct
47 Correct 22 ms 3024 KB Output is correct
48 Correct 23 ms 3032 KB Output is correct
49 Correct 45 ms 5336 KB Output is correct
50 Correct 23 ms 5844 KB Output is correct
51 Correct 22 ms 4828 KB Output is correct
52 Correct 24 ms 5800 KB Output is correct
53 Correct 20 ms 5852 KB Output is correct
54 Correct 25 ms 6620 KB Output is correct
55 Correct 36 ms 5468 KB Output is correct