Submission #634855

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
634855	2022-08-25T06:56:35 Z	Morisz10	Global Warming (CEOI18_glo)	C++14	15 / 100	75 ms	3464 KB

glo

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
const int maxn = 200010;

int t[maxn], _end[maxn];
int dp[maxn];

int main()
{
	int n, x;
	cin >> n >> x;
	for (int i = 1; i <= n; i++) cin >> t[i];
	fill(dp, dp + n + 2, INT32_MAX);
	dp[0] = INT32_MIN;
	for (int i = 1; i <= n; i++) {
		int j = upper_bound(dp, dp + n + 1, t[i]) - dp;
		if (dp[j - 1] < t[i] && t[i] < dp[j]) {
			dp[j] = t[i];
			_end[i] = j;
		}
		else {
			_end[i] = j - 1;
		}
	}
	fill(dp, dp + n + 2, INT32_MIN);
	dp[0] = INT32_MAX;
	int ans = 0;
	for (int i = n; i > 0; i--) {
		int l = 0, r = n;
		while (l + 1 < r) {
			int m = (l + r) / 2;
			if (dp[m] > t[i] - x)l = m;
			else r = m;
		}
		ans = max(ans, _end[i] + l);

		l = 0, r = n;
		while (l + 1 < r) {
			int m = (l + r) / 2;
			if (dp[m] > t[i])l = m;
			else r = m;
		}
		dp[l + 1] = t[i];
	}
	cout << ans << endl;
}

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #3

0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Runtime error	1 ms	340 KB	Execution killed with signal 11
20	Halted	0 ms	0 KB	-

Subtask #4

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	75 ms	3464 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	19 ms	1180 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	45 ms	1900 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Runtime error	1 ms	340 KB	Execution killed with signal 11
20	Halted	0 ms	0 KB	-