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Submission #168427

# Submission time Handle Problem Language Result Execution time Memory
168427 2019-12-13T04:40:46 Z IldarKA Bigger segments (IZhO19_segments) C++14
100 / 100
 518 ms 44280 KB 
#include <bits/stdc++.h>

using namespace std;
int n, a[500001], dp[500001];
long long pr[500001], seg[500001];
int main(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        pr[i] = pr[i - 1] + a[i];
    }
    set < pair < long long, int > > s;
    s.insert({0, 0});
    for(int i = 1; i <= n; i++){
        int j = 0;
        while(!s.empty()){
            if((s.begin()->first) > pr[i]) break;
            j = max(j, s.begin() -> second);
            s.erase(s.begin());
        }
        dp[i] = dp[j] + 1;
        seg[i] = pr[i] - pr[j];
        s.insert({pr[j] + seg[j], j});
        s.insert({pr[i] + seg[i], i});
    }
    cout << dp[n];
}

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 504 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 376 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 380 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 504 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 376 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 380 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 296 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 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 376 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 504 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 376 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 380 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 296 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 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 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 5 ms 504 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 5 ms 460 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 4 ms 376 KB Output is correct
38 Correct 4 ms 376 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 5 ms 504 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 4 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 504 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 376 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 380 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 296 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 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 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 5 ms 504 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 5 ms 460 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 4 ms 376 KB Output is correct
38 Correct 4 ms 376 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 5 ms 504 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 4 ms 376 KB Output is correct
46 Correct 91 ms 9336 KB Output is correct
47 Correct 70 ms 3832 KB Output is correct
48 Correct 86 ms 3704 KB Output is correct
49 Correct 89 ms 4344 KB Output is correct
50 Correct 88 ms 3704 KB Output is correct
51 Correct 99 ms 3704 KB Output is correct
52 Correct 49 ms 2040 KB Output is correct
53 Correct 30 ms 1400 KB Output is correct
54 Correct 50 ms 2936 KB Output is correct
55 Correct 96 ms 3704 KB Output is correct
56 Correct 59 ms 3192 KB Output is correct
57 Correct 68 ms 5756 KB Output is correct
58 Correct 69 ms 4728 KB Output is correct
59 Correct 64 ms 3192 KB Output is correct
60 Correct 69 ms 3360 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 504 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 376 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 380 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 296 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 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 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 5 ms 504 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 4 ms 504 KB Output is correct
35 Correct 5 ms 460 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 4 ms 376 KB Output is correct
38 Correct 4 ms 376 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 5 ms 504 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 4 ms 376 KB Output is correct
46 Correct 91 ms 9336 KB Output is correct
47 Correct 70 ms 3832 KB Output is correct
48 Correct 86 ms 3704 KB Output is correct
49 Correct 89 ms 4344 KB Output is correct
50 Correct 88 ms 3704 KB Output is correct
51 Correct 99 ms 3704 KB Output is correct
52 Correct 49 ms 2040 KB Output is correct
53 Correct 30 ms 1400 KB Output is correct
54 Correct 50 ms 2936 KB Output is correct
55 Correct 96 ms 3704 KB Output is correct
56 Correct 59 ms 3192 KB Output is correct
57 Correct 68 ms 5756 KB Output is correct
58 Correct 69 ms 4728 KB Output is correct
59 Correct 64 ms 3192 KB Output is correct
60 Correct 69 ms 3360 KB Output is correct
61 Correct 518 ms 44280 KB Output is correct
62 Correct 424 ms 28552 KB Output is correct
63 Correct 384 ms 18960 KB Output is correct
64 Correct 431 ms 12920 KB Output is correct
65 Correct 430 ms 12864 KB Output is correct
66 Correct 488 ms 12788 KB Output is correct
67 Correct 380 ms 10572 KB Output is correct
68 Correct 191 ms 5880 KB Output is correct
69 Correct 242 ms 13176 KB Output is correct
70 Correct 477 ms 13008 KB Output is correct
71 Correct 251 ms 13008 KB Output is correct
72 Correct 367 ms 25592 KB Output is correct
73 Correct 341 ms 17528 KB Output is correct
74 Correct 338 ms 12920 KB Output is correct
75 Correct 349 ms 12976 KB Output is correct