oj.uz

Submission #209414

# Submission time Handle Problem Language Result Execution time Memory
209414 2020-03-14T07:18:54 Z model_code Mountains (NOI20_mountains) C++17
100 / 100
 942 ms 22752 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef pair<long long, int> elem;
typedef tree<elem,null_type,std::less<elem>,rb_tree_tag,tree_order_statistics_node_update> stat_tree;
constexpr int MAXN=300'000;
long long arr[MAXN];
int lefts[MAXN];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n;
    cin>>n;
    assert(3<=n&&n<=MAXN);
    stat_tree st;
    long long ans=0;
    for(int i=0;i<n;++i){
        cin>>arr[i];
        assert(0<=arr[i]&&arr[i]<=1'000'000'000'000'000'000ll);
        lefts[i]=st.order_of_key(make_pair(arr[i],0));
        st.insert(make_pair(arr[i],i));
    }
    st.clear();
    for(int i=n-1;i>=0;--i){
        const int ct=st.order_of_key(make_pair(arr[i],0));
        ans+=static_cast<long long>(ct)*lefts[i];
        st.insert(make_pair(arr[i],i));
    }
    cout<<ans<<'\n';
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 491 ms 22648 KB Output is correct
3 Correct 493 ms 22632 KB Output is correct
4 Correct 481 ms 22648 KB Output is correct
5 Correct 489 ms 22648 KB Output is correct
6 Correct 477 ms 22648 KB Output is correct
7 Correct 489 ms 22648 KB Output is correct
8 Correct 496 ms 22648 KB Output is correct
9 Correct 494 ms 22648 KB Output is correct
10 Correct 508 ms 22648 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 319 ms 22648 KB Output is correct
2 Correct 302 ms 22648 KB Output is correct
3 Correct 301 ms 22648 KB Output is correct
4 Correct 300 ms 22648 KB Output is correct
5 Correct 296 ms 22648 KB Output is correct
6 Correct 301 ms 22648 KB Output is correct
7 Correct 332 ms 22700 KB Output is correct
8 Correct 440 ms 22648 KB Output is correct
9 Correct 438 ms 22580 KB Output is correct
10 Correct 5 ms 376 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 319 ms 22648 KB Output is correct
2 Correct 302 ms 22648 KB Output is correct
3 Correct 301 ms 22648 KB Output is correct
4 Correct 300 ms 22648 KB Output is correct
5 Correct 296 ms 22648 KB Output is correct
6 Correct 301 ms 22648 KB Output is correct
7 Correct 332 ms 22700 KB Output is correct
8 Correct 440 ms 22648 KB Output is correct
9 Correct 438 ms 22580 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 643 ms 22752 KB Output is correct
12 Correct 627 ms 22648 KB Output is correct
13 Correct 677 ms 22624 KB Output is correct
14 Correct 669 ms 22648 KB Output is correct
15 Correct 683 ms 22648 KB Output is correct
16 Correct 685 ms 22648 KB Output is correct
17 Correct 687 ms 22696 KB Output is correct
18 Correct 449 ms 22616 KB Output is correct
19 Correct 446 ms 22648 KB Output is correct
20 Correct 5 ms 376 KB Output is correct

Subtask #4
36.0 / 36.0

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

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 6 ms 376 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 380 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 15 ms 1020 KB Output is correct
12 Correct 16 ms 1144 KB Output is correct
13 Correct 17 ms 1144 KB Output is correct
14 Correct 15 ms 1144 KB Output is correct
15 Correct 15 ms 1144 KB Output is correct
16 Correct 17 ms 1144 KB Output is correct
17 Correct 14 ms 1144 KB Output is correct
18 Correct 16 ms 1144 KB Output is correct
19 Correct 14 ms 1120 KB Output is correct
20 Correct 5 ms 376 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 319 ms 22648 KB Output is correct
2 Correct 302 ms 22648 KB Output is correct
3 Correct 301 ms 22648 KB Output is correct
4 Correct 300 ms 22648 KB Output is correct
5 Correct 296 ms 22648 KB Output is correct
6 Correct 301 ms 22648 KB Output is correct
7 Correct 332 ms 22700 KB Output is correct
8 Correct 440 ms 22648 KB Output is correct
9 Correct 438 ms 22580 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 643 ms 22752 KB Output is correct
12 Correct 627 ms 22648 KB Output is correct
13 Correct 677 ms 22624 KB Output is correct
14 Correct 669 ms 22648 KB Output is correct
15 Correct 683 ms 22648 KB Output is correct
16 Correct 685 ms 22648 KB Output is correct
17 Correct 687 ms 22696 KB Output is correct
18 Correct 449 ms 22616 KB Output is correct
19 Correct 446 ms 22648 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 789 ms 22652 KB Output is correct
22 Correct 834 ms 22692 KB Output is correct
23 Correct 846 ms 22604 KB Output is correct
24 Correct 811 ms 22700 KB Output is correct
25 Correct 841 ms 22664 KB Output is correct
26 Correct 844 ms 22620 KB Output is correct
27 Correct 843 ms 22648 KB Output is correct
28 Correct 497 ms 22676 KB Output is correct
29 Correct 487 ms 22704 KB Output is correct
30 Correct 5 ms 376 KB Output is correct

Subtask #7
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 491 ms 22648 KB Output is correct
3 Correct 493 ms 22632 KB Output is correct
4 Correct 481 ms 22648 KB Output is correct
5 Correct 489 ms 22648 KB Output is correct
6 Correct 477 ms 22648 KB Output is correct
7 Correct 489 ms 22648 KB Output is correct
8 Correct 496 ms 22648 KB Output is correct
9 Correct 494 ms 22648 KB Output is correct
10 Correct 508 ms 22648 KB Output is correct
11 Correct 319 ms 22648 KB Output is correct
12 Correct 302 ms 22648 KB Output is correct
13 Correct 301 ms 22648 KB Output is correct
14 Correct 300 ms 22648 KB Output is correct
15 Correct 296 ms 22648 KB Output is correct
16 Correct 301 ms 22648 KB Output is correct
17 Correct 332 ms 22700 KB Output is correct
18 Correct 440 ms 22648 KB Output is correct
19 Correct 438 ms 22580 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 643 ms 22752 KB Output is correct
22 Correct 627 ms 22648 KB Output is correct
23 Correct 677 ms 22624 KB Output is correct
24 Correct 669 ms 22648 KB Output is correct
25 Correct 683 ms 22648 KB Output is correct
26 Correct 685 ms 22648 KB Output is correct
27 Correct 687 ms 22696 KB Output is correct
28 Correct 449 ms 22616 KB Output is correct
29 Correct 446 ms 22648 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 6 ms 376 KB Output is correct
33 Correct 6 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 380 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 15 ms 1020 KB Output is correct
42 Correct 16 ms 1144 KB Output is correct
43 Correct 17 ms 1144 KB Output is correct
44 Correct 15 ms 1144 KB Output is correct
45 Correct 15 ms 1144 KB Output is correct
46 Correct 17 ms 1144 KB Output is correct
47 Correct 14 ms 1144 KB Output is correct
48 Correct 16 ms 1144 KB Output is correct
49 Correct 14 ms 1120 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 789 ms 22652 KB Output is correct
52 Correct 834 ms 22692 KB Output is correct
53 Correct 846 ms 22604 KB Output is correct
54 Correct 811 ms 22700 KB Output is correct
55 Correct 841 ms 22664 KB Output is correct
56 Correct 844 ms 22620 KB Output is correct
57 Correct 843 ms 22648 KB Output is correct
58 Correct 497 ms 22676 KB Output is correct
59 Correct 487 ms 22704 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 884 ms 22624 KB Output is correct
62 Correct 942 ms 22572 KB Output is correct
63 Correct 885 ms 22648 KB Output is correct
64 Correct 880 ms 22660 KB Output is correct
65 Correct 897 ms 22700 KB Output is correct
66 Correct 919 ms 22612 KB Output is correct
67 Correct 866 ms 22600 KB Output is correct
68 Correct 909 ms 22648 KB Output is correct
69 Correct 813 ms 22692 KB Output is correct
70 Correct 5 ms 376 KB Output is correct