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Submission #977051

# Submission time Handle Problem Language Result Execution time Memory
977051 2024-05-07T10:49:50 Z 0pt1mus23 Bigger segments (IZhO19_segments) C++14
100 / 100
 75 ms 20936 KB 
#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(),v.end()
#define ins insert
#define pb push_back
#define int long long
#define endl '\n'
/*
    m : 11059739 -> l ~23
    p : 4567896467
*/
const int mod =  1e9 +7, sze=2*1e5,inf=LLONG_MAX, prime = 2333;


void gkd(){
    int n;
    cin>>n;
    vector<int> ps(n+1);
    vector<int> arr(n+1);
    for(int i=1;i<=n;i++){
        cin>>arr[i];
        ps[i]+=ps[i-1]+arr[i];
    }
    vector<int> dp(n+10),from(n+10);
    for(int i=1;i<=n;i++){
        from[i]=max(from[i],from[i-1]);
        dp[i]=dp[from[i]]+1;
        int t= lower_bound(all(ps),ps[i]*2 - ps[from[i]]) -ps.begin();
        // cout<<t<<" -> "<<i<<" "<<dp[i]<<" ! "<<ps[i]*2 <<" "<< ps[from[i]]<<endl;
        from[t]=i;
    }
    cout<<dp[n]<<endl;

}

signed main(){
    cin.tie(0)->sync_with_stdio(0);  

    int tt=1; 
    // cin>>tt;
    while(tt--) gkd();
    
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 472 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 536 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 344 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 472 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 536 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 9 ms 3932 KB Output is correct
47 Correct 11 ms 3932 KB Output is correct
48 Correct 14 ms 4392 KB Output is correct
49 Correct 14 ms 4444 KB Output is correct
50 Correct 15 ms 4568 KB Output is correct
51 Correct 17 ms 4552 KB Output is correct
52 Correct 8 ms 2396 KB Output is correct
53 Correct 5 ms 1628 KB Output is correct
54 Correct 11 ms 3688 KB Output is correct
55 Correct 15 ms 4444 KB Output is correct
56 Correct 13 ms 3884 KB Output is correct
57 Correct 11 ms 3940 KB Output is correct
58 Correct 11 ms 3928 KB Output is correct
59 Correct 13 ms 3932 KB Output is correct
60 Correct 13 ms 3932 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 460 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 452 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 472 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 536 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 9 ms 3932 KB Output is correct
47 Correct 11 ms 3932 KB Output is correct
48 Correct 14 ms 4392 KB Output is correct
49 Correct 14 ms 4444 KB Output is correct
50 Correct 15 ms 4568 KB Output is correct
51 Correct 17 ms 4552 KB Output is correct
52 Correct 8 ms 2396 KB Output is correct
53 Correct 5 ms 1628 KB Output is correct
54 Correct 11 ms 3688 KB Output is correct
55 Correct 15 ms 4444 KB Output is correct
56 Correct 13 ms 3884 KB Output is correct
57 Correct 11 ms 3940 KB Output is correct
58 Correct 11 ms 3928 KB Output is correct
59 Correct 13 ms 3932 KB Output is correct
60 Correct 13 ms 3932 KB Output is correct
61 Correct 44 ms 18000 KB Output is correct
62 Correct 45 ms 18016 KB Output is correct
63 Correct 53 ms 18252 KB Output is correct
64 Correct 75 ms 20428 KB Output is correct
65 Correct 73 ms 20816 KB Output is correct
66 Correct 74 ms 20816 KB Output is correct
67 Correct 57 ms 16720 KB Output is correct
68 Correct 32 ms 8528 KB Output is correct
69 Correct 49 ms 16988 KB Output is correct
70 Correct 72 ms 20936 KB Output is correct
71 Correct 58 ms 17880 KB Output is correct
72 Correct 52 ms 18388 KB Output is correct
73 Correct 62 ms 18896 KB Output is correct
74 Correct 66 ms 19288 KB Output is correct
75 Correct 66 ms 19280 KB Output is correct