oj.uz

답안 #582792

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
582792 2022-06-24T12:29:23 Z Alan Bigger segments (IZhO19_segments) C++17
100 / 100
 81 ms 20996 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

ll ps[500005], dp[500005];
const ll inf = 1e9;

int main () {
	ios::ios_base::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
	vector<pair<ll, ll>> st;
	for (int i = 1; i <= n; i++) cin >> ps[i], ps[i] += ps[i-1];
	for (int i = 1; i <= n; i++) {
		auto iter = upper_bound(st.begin(), st.end(), make_pair(ps[i], inf));
		int j = iter == st.begin() ? 0 : (--iter)->second;
		dp[i] = dp[j] + 1;
		ll sum = ps[i]*2 - ps[j];
		while (!st.empty() && sum < st.back().first) st.pop_back();
		st.push_back({sum, i});
	}
	cout << dp[n] << "\n";

	return 0;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 2 ms 464 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 1 ms 496 KB Output is correct
45 Correct 1 ms 468 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 2 ms 464 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 1 ms 496 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 11 ms 4176 KB Output is correct
47 Correct 16 ms 4472 KB Output is correct
48 Correct 13 ms 2952 KB Output is correct
49 Correct 14 ms 3792 KB Output is correct
50 Correct 14 ms 4816 KB Output is correct
51 Correct 16 ms 4812 KB Output is correct
52 Correct 8 ms 2644 KB Output is correct
53 Correct 5 ms 1624 KB Output is correct
54 Correct 11 ms 4176 KB Output is correct
55 Correct 15 ms 4788 KB Output is correct
56 Correct 12 ms 4304 KB Output is correct
57 Correct 15 ms 4176 KB Output is correct
58 Correct 13 ms 4304 KB Output is correct
59 Correct 13 ms 4300 KB Output is correct
60 Correct 13 ms 4304 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 2 ms 464 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 1 ms 496 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 11 ms 4176 KB Output is correct
47 Correct 16 ms 4472 KB Output is correct
48 Correct 13 ms 2952 KB Output is correct
49 Correct 14 ms 3792 KB Output is correct
50 Correct 14 ms 4816 KB Output is correct
51 Correct 16 ms 4812 KB Output is correct
52 Correct 8 ms 2644 KB Output is correct
53 Correct 5 ms 1624 KB Output is correct
54 Correct 11 ms 4176 KB Output is correct
55 Correct 15 ms 4788 KB Output is correct
56 Correct 12 ms 4304 KB Output is correct
57 Correct 15 ms 4176 KB Output is correct
58 Correct 13 ms 4304 KB Output is correct
59 Correct 13 ms 4300 KB Output is correct
60 Correct 13 ms 4304 KB Output is correct
61 Correct 52 ms 18044 KB Output is correct
62 Correct 55 ms 17968 KB Output is correct
63 Correct 65 ms 17184 KB Output is correct
64 Correct 78 ms 14276 KB Output is correct
65 Correct 80 ms 20996 KB Output is correct
66 Correct 81 ms 19924 KB Output is correct
67 Correct 70 ms 18268 KB Output is correct
68 Correct 43 ms 9300 KB Output is correct
69 Correct 73 ms 16212 KB Output is correct
70 Correct 75 ms 20380 KB Output is correct
71 Correct 58 ms 17980 KB Output is correct
72 Correct 63 ms 16924 KB Output is correct
73 Correct 71 ms 17840 KB Output is correct
74 Correct 71 ms 19312 KB Output is correct
75 Correct 65 ms 19368 KB Output is correct