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Submission #146194

# Submission time Handle Problem Language Result Execution time Memory
146194 2019-08-22T18:56:28 Z imeimi2000 Bigger segments (IZhO19_segments) C++17
100 / 100
 106 ms 13048 KB 
#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;
typedef long long llong;

int n;
llong S[500001];
int M[500002];
int D[500001];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> S[i];
        S[i] += S[i - 1];
    }
    for (int i = 1; i <= n; ++i) {
        M[i] = max(M[i], M[i - 1]);
        D[i] = D[M[i]] + 1;
        llong V = (S[i] << 1) - S[M[i]];
        int s = i + 1, e = n + 1;
        while (s < e) {
            int m = (s + e) / 2;
            if (V <= S[m]) e = m;
            else s = m + 1;
        }
        M[s] = max(M[s], i);
    }
    printf("%d\n", D[n]);
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 4 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 508 KB Output is correct
37 Correct 3 ms 504 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 3 ms 380 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 4 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 508 KB Output is correct
37 Correct 3 ms 504 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 3 ms 380 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 16 ms 2268 KB Output is correct
47 Correct 20 ms 2424 KB Output is correct
48 Correct 21 ms 2724 KB Output is correct
49 Correct 20 ms 2936 KB Output is correct
50 Correct 22 ms 2836 KB Output is correct
51 Correct 22 ms 2936 KB Output is correct
52 Correct 12 ms 1656 KB Output is correct
53 Correct 8 ms 1144 KB Output is correct
54 Correct 15 ms 2168 KB Output is correct
55 Correct 21 ms 2936 KB Output is correct
56 Correct 17 ms 2424 KB Output is correct
57 Correct 16 ms 2296 KB Output is correct
58 Correct 17 ms 2424 KB Output is correct
59 Correct 17 ms 2424 KB Output is correct
60 Correct 18 ms 2424 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 4 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 3 ms 504 KB Output is correct
34 Correct 3 ms 504 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 3 ms 508 KB Output is correct
37 Correct 3 ms 504 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 3 ms 380 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 16 ms 2268 KB Output is correct
47 Correct 20 ms 2424 KB Output is correct
48 Correct 21 ms 2724 KB Output is correct
49 Correct 20 ms 2936 KB Output is correct
50 Correct 22 ms 2836 KB Output is correct
51 Correct 22 ms 2936 KB Output is correct
52 Correct 12 ms 1656 KB Output is correct
53 Correct 8 ms 1144 KB Output is correct
54 Correct 15 ms 2168 KB Output is correct
55 Correct 21 ms 2936 KB Output is correct
56 Correct 17 ms 2424 KB Output is correct
57 Correct 16 ms 2296 KB Output is correct
58 Correct 17 ms 2424 KB Output is correct
59 Correct 17 ms 2424 KB Output is correct
60 Correct 18 ms 2424 KB Output is correct
61 Correct 76 ms 10120 KB Output is correct
62 Correct 85 ms 10156 KB Output is correct
63 Correct 89 ms 10616 KB Output is correct
64 Correct 102 ms 12664 KB Output is correct
65 Correct 98 ms 13028 KB Output is correct
66 Correct 106 ms 12920 KB Output is correct
67 Correct 86 ms 10488 KB Output is correct
68 Correct 43 ms 5468 KB Output is correct
69 Correct 70 ms 9208 KB Output is correct
70 Correct 100 ms 13048 KB Output is correct
71 Correct 70 ms 10104 KB Output is correct
72 Correct 80 ms 10692 KB Output is correct
73 Correct 82 ms 11128 KB Output is correct
74 Correct 84 ms 11488 KB Output is correct
75 Correct 83 ms 11592 KB Output is correct