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Submission #494817

# Submission time Handle Problem Language Result Execution time Memory
494817 2021-12-16T16:40:49 Z nickmet2004 Bigger segments (IZhO19_segments) C++11
100 / 100
 89 ms 20828 KB 
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e6 + 5;
int n , a[N] , dp[N] , b[N] , p[N];
 main (){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n;
    for(int i = 1; i<= n;++i)cin >> a[i];
    for(int i  =1;i <= n; ++i) p[i] = p[i - 1] + a[i];
    for(int i = 1; i<= n; ++i){
        b[i] = max(b[i] , b[i - 1]);
        dp[i]= dp[b[i]] + 1;
        int x= lower_bound(p + 1 , p + 1 + n , 2*p[i] - p[b[i]]) - p;
        b[x] = max(b[x] , i);
    }cout << dp[n];
}

Compilation message

segments.cpp:6:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 |  main (){
      |  ^~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 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 328 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 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 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 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 1 ms 492 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 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 328 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 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 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 464 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 472 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 464 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 1 ms 464 KB Output is correct
41 Correct 1 ms 336 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 1 ms 464 KB Output is correct
45 Correct 1 ms 532 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 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 328 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 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 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 464 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 472 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 464 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 1 ms 464 KB Output is correct
41 Correct 1 ms 336 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 1 ms 464 KB Output is correct
45 Correct 1 ms 532 KB Output is correct
46 Correct 11 ms 3788 KB Output is correct
47 Correct 12 ms 3820 KB Output is correct
48 Correct 18 ms 4240 KB Output is correct
49 Correct 21 ms 4328 KB Output is correct
50 Correct 19 ms 4380 KB Output is correct
51 Correct 18 ms 4384 KB Output is correct
52 Correct 9 ms 2324 KB Output is correct
53 Correct 5 ms 1488 KB Output is correct
54 Correct 13 ms 3672 KB Output is correct
55 Correct 17 ms 4324 KB Output is correct
56 Correct 18 ms 3936 KB Output is correct
57 Correct 13 ms 3776 KB Output is correct
58 Correct 16 ms 3912 KB Output is correct
59 Correct 18 ms 4040 KB Output is correct
60 Correct 14 ms 3912 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 0 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 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 328 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 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 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 464 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 472 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 464 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 1 ms 464 KB Output is correct
41 Correct 1 ms 336 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 1 ms 464 KB Output is correct
45 Correct 1 ms 532 KB Output is correct
46 Correct 11 ms 3788 KB Output is correct
47 Correct 12 ms 3820 KB Output is correct
48 Correct 18 ms 4240 KB Output is correct
49 Correct 21 ms 4328 KB Output is correct
50 Correct 19 ms 4380 KB Output is correct
51 Correct 18 ms 4384 KB Output is correct
52 Correct 9 ms 2324 KB Output is correct
53 Correct 5 ms 1488 KB Output is correct
54 Correct 13 ms 3672 KB Output is correct
55 Correct 17 ms 4324 KB Output is correct
56 Correct 18 ms 3936 KB Output is correct
57 Correct 13 ms 3776 KB Output is correct
58 Correct 16 ms 3912 KB Output is correct
59 Correct 18 ms 4040 KB Output is correct
60 Correct 14 ms 3912 KB Output is correct
61 Correct 58 ms 17852 KB Output is correct
62 Correct 54 ms 17848 KB Output is correct
63 Correct 68 ms 18268 KB Output is correct
64 Correct 89 ms 20472 KB Output is correct
65 Correct 87 ms 20808 KB Output is correct
66 Correct 89 ms 20828 KB Output is correct
67 Correct 72 ms 16680 KB Output is correct
68 Correct 33 ms 8512 KB Output is correct
69 Correct 56 ms 16976 KB Output is correct
70 Correct 84 ms 20788 KB Output is correct
71 Correct 69 ms 17892 KB Output is correct
72 Correct 64 ms 18212 KB Output is correct
73 Correct 69 ms 18880 KB Output is correct
74 Correct 72 ms 19300 KB Output is correct
75 Correct 81 ms 19292 KB Output is correct