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Submission #771757

# Submission time Handle Problem Language Result Execution time Memory
771757 2023-07-03T08:55:01 Z Jomnoi Bigger segments (IZhO19_segments) C++17
100 / 100
 58 ms 16912 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAX_N = 5e5 + 5;

long long A[MAX_N], pos[MAX_N], dp[MAX_N];

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int N;
    cin >> N;

    for (int i = 1; i <= N; i++) {
        cin >> A[i];

        A[i] += A[i - 1];
    }

    for (int i = 1; i <= N; i++) {
        pos[i] = max(pos[i - 1], pos[i]);
        dp[i] = dp[pos[i]] + 1;

        int l = i, r = N, nxt = -1;
        while (l <= r) {
            int mid = (l + r) / 2;

            if (A[mid] - A[i] >= A[i] - A[pos[i]]) r = mid - 1, nxt = mid;
            else l = mid + 1;
        }
        pos[nxt] = i;
    }
    cout << dp[N];
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 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 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 324 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 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 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 324 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 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 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 324 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 8 ms 3060 KB Output is correct
47 Correct 11 ms 3072 KB Output is correct
48 Correct 10 ms 3484 KB Output is correct
49 Correct 10 ms 3540 KB Output is correct
50 Correct 10 ms 3668 KB Output is correct
51 Correct 12 ms 3668 KB Output is correct
52 Correct 6 ms 2000 KB Output is correct
53 Correct 4 ms 1236 KB Output is correct
54 Correct 8 ms 2900 KB Output is correct
55 Correct 11 ms 3668 KB Output is correct
56 Correct 8 ms 3156 KB Output is correct
57 Correct 10 ms 3280 KB Output is correct
58 Correct 9 ms 3028 KB Output is correct
59 Correct 8 ms 3284 KB Output is correct
60 Correct 8 ms 3156 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 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 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 324 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 8 ms 3060 KB Output is correct
47 Correct 11 ms 3072 KB Output is correct
48 Correct 10 ms 3484 KB Output is correct
49 Correct 10 ms 3540 KB Output is correct
50 Correct 10 ms 3668 KB Output is correct
51 Correct 12 ms 3668 KB Output is correct
52 Correct 6 ms 2000 KB Output is correct
53 Correct 4 ms 1236 KB Output is correct
54 Correct 8 ms 2900 KB Output is correct
55 Correct 11 ms 3668 KB Output is correct
56 Correct 8 ms 3156 KB Output is correct
57 Correct 10 ms 3280 KB Output is correct
58 Correct 9 ms 3028 KB Output is correct
59 Correct 8 ms 3284 KB Output is correct
60 Correct 8 ms 3156 KB Output is correct
61 Correct 40 ms 13956 KB Output is correct
62 Correct 46 ms 13948 KB Output is correct
63 Correct 50 ms 14388 KB Output is correct
64 Correct 53 ms 16576 KB Output is correct
65 Correct 56 ms 16908 KB Output is correct
66 Correct 58 ms 16776 KB Output is correct
67 Correct 45 ms 13572 KB Output is correct
68 Correct 23 ms 6900 KB Output is correct
69 Correct 40 ms 13032 KB Output is correct
70 Correct 54 ms 16912 KB Output is correct
71 Correct 37 ms 13900 KB Output is correct
72 Correct 43 ms 14372 KB Output is correct
73 Correct 47 ms 14916 KB Output is correct
74 Correct 43 ms 15292 KB Output is correct
75 Correct 45 ms 15312 KB Output is correct