답안 #833192

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
833192 2023-08-22T03:03:40 Z pavement 송신탑 (IOI22_towers) C++17
23 / 100
4000 ms 4108 KB
#include "towers.h"
#include <bits/stdc++.h>
using namespace std;

#define eb emplace_back
#define mp make_pair

using ii = pair<int, int>;

int N;
vector<int> H;

void init(int N, vector<int> H) {
	::N = N;
	::H = H;
}

int max_towers(int L, int R, int D) {
	vector<int> V(H.begin() + L, H.begin() + R + 1), cl(V.size(), -1), cr(V.size(), V.size());
	vector<ii> vec;
	for (int i = 0; i < (int)V.size(); i++) {
		{
			int lo = 0, hi = (int)vec.size() - 1;
			while (lo <= hi) {
				int mid = (lo + hi) / 2;
				if (vec[mid].first <= V[i] - D) {
					cl[i] = vec[mid].second;
					lo = mid + 1;
				} else {
					hi = mid - 1;
				}
			}
		}
		while (!vec.empty() && vec.back().first >= V[i]) {
			vec.pop_back();
		}
		vec.eb(V[i], i);
	}
	vec.clear();
	for (int i = (int)V.size() - 1; i >= 0; i--) {
		{
			int lo = 0, hi = (int)vec.size() - 1;
			while (lo <= hi) {
				int mid = (lo + hi) / 2;
				if (vec[mid].first <= V[i] - D) {
					cr[i] = vec[mid].second;
					lo = mid + 1;
				} else {
					hi = mid - 1;
				}
			}
		}
		while (!vec.empty() && vec.back().first >= V[i]) {
			vec.pop_back();
		}
		vec.eb(V[i], i);
	}
	vector<ii> segs;
	for (int i = 0; i < (int)V.size(); i++) {
		if (cl[i] != -1 && cr[i] != (int)V.size()) {
			segs.eb(cr[i], cl[i]);
		}
	}
	sort(segs.begin(), segs.end());
	int ans = 0, max_r = -1;
	for (auto [r, l] : segs) {
		if (l >= max_r) {
			ans++;
			max_r = r;
		}
	}
	return ans + 1;
}
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 4035 ms 2852 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 0 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 0 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 0 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 0 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 7 ms 1312 KB Output is correct
37 Correct 11 ms 1684 KB Output is correct
38 Correct 10 ms 1488 KB Output is correct
39 Correct 10 ms 1460 KB Output is correct
40 Correct 10 ms 1488 KB Output is correct
41 Correct 14 ms 2840 KB Output is correct
42 Correct 10 ms 1424 KB Output is correct
43 Correct 11 ms 2528 KB Output is correct
44 Correct 9 ms 1444 KB Output is correct
45 Correct 13 ms 1456 KB Output is correct
46 Correct 9 ms 1436 KB Output is correct
47 Correct 15 ms 2264 KB Output is correct
48 Correct 11 ms 1820 KB Output is correct
49 Correct 12 ms 1444 KB Output is correct
50 Correct 10 ms 1684 KB Output is correct
51 Correct 10 ms 2376 KB Output is correct
52 Correct 17 ms 3776 KB Output is correct
53 Correct 16 ms 3784 KB Output is correct
54 Correct 16 ms 3728 KB Output is correct
55 Correct 12 ms 3760 KB Output is correct
56 Correct 21 ms 3608 KB Output is correct
57 Correct 15 ms 2992 KB Output is correct
58 Correct 16 ms 3124 KB Output is correct
59 Correct 17 ms 3760 KB Output is correct
60 Correct 17 ms 3784 KB Output is correct
61 Correct 22 ms 3736 KB Output is correct
62 Correct 15 ms 3144 KB Output is correct
63 Correct 17 ms 3752 KB Output is correct
64 Correct 13 ms 3784 KB Output is correct
65 Correct 13 ms 3728 KB Output is correct
66 Correct 15 ms 3220 KB Output is correct
67 Correct 13 ms 3712 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 4013 ms 4108 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 4099 ms 1308 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 0 ms 336 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 0 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 0 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 7 ms 1312 KB Output is correct
37 Correct 11 ms 1684 KB Output is correct
38 Correct 10 ms 1488 KB Output is correct
39 Correct 10 ms 1460 KB Output is correct
40 Correct 10 ms 1488 KB Output is correct
41 Correct 14 ms 2840 KB Output is correct
42 Correct 10 ms 1424 KB Output is correct
43 Correct 11 ms 2528 KB Output is correct
44 Correct 9 ms 1444 KB Output is correct
45 Correct 13 ms 1456 KB Output is correct
46 Correct 9 ms 1436 KB Output is correct
47 Correct 15 ms 2264 KB Output is correct
48 Correct 11 ms 1820 KB Output is correct
49 Correct 12 ms 1444 KB Output is correct
50 Correct 10 ms 1684 KB Output is correct
51 Correct 10 ms 2376 KB Output is correct
52 Correct 17 ms 3776 KB Output is correct
53 Correct 16 ms 3784 KB Output is correct
54 Correct 16 ms 3728 KB Output is correct
55 Correct 12 ms 3760 KB Output is correct
56 Correct 21 ms 3608 KB Output is correct
57 Correct 15 ms 2992 KB Output is correct
58 Correct 16 ms 3124 KB Output is correct
59 Correct 17 ms 3760 KB Output is correct
60 Correct 17 ms 3784 KB Output is correct
61 Correct 22 ms 3736 KB Output is correct
62 Correct 15 ms 3144 KB Output is correct
63 Correct 17 ms 3752 KB Output is correct
64 Correct 13 ms 3784 KB Output is correct
65 Correct 13 ms 3728 KB Output is correct
66 Correct 15 ms 3220 KB Output is correct
67 Correct 13 ms 3712 KB Output is correct
68 Execution timed out 4013 ms 4108 KB Time limit exceeded
69 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 4035 ms 2852 KB Time limit exceeded
2 Halted 0 ms 0 KB -