답안 #209413

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
209413	2020-03-14T07:18:33 Z	model_code	Mountains (NOI20_mountains)	C++17	100 / 100	111 ms	6264 KB

Mountains

#include <bits/stdc++.h>
using namespace std;
constexpr int MAXN=300'000;
int n;
struct {
    int data_[MAXN+1];
    int query(int index){
        int ret=0;
        for(;index>0;index-=(index&-index)){
            ret+=data_[index];
        }
        return ret;
    }
    void update(int index){
        for(++index;index<=n;index+=(index&-index)){
            ++data_[index];
        }
    }
} fw;
pair<long long, int> arr[MAXN];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin>>n;
    assert(3<=n&&n<=MAXN);
    for(int i=0;i<n;++i){
        cin>>arr[i].first;
        assert(0<=arr[i].first&&arr[i].first<=1'000'000'000'000'000'000ll);
        arr[i].second=i;
    }
    sort(arr,arr+n,[](const pair<long long, int>& a, const pair<long long, int>& b){
        return a.first<b.first;
    });
    long long ans=0;
    for(int i=0;i<n;){
        const long long val=arr[i].first;
        int j;
        for(j=i;j<n&&arr[j].first==val;++j){
            const int idx=arr[j].second;
            const int tmp=fw.query(idx);
            ans+=tmp*static_cast<long long>(i-tmp);
        }
        for(;i<j;++i){
            const int idx=arr[i].second;
            fw.update(idx);
        }
    }
    cout<<ans<<'\n';
}

Subtask #1
2.0 / 2.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	252 KB	Output is correct
2	Correct	87 ms	6264 KB	Output is correct
3	Correct	87 ms	6244 KB	Output is correct
4	Correct	90 ms	6264 KB	Output is correct
5	Correct	86 ms	6264 KB	Output is correct
6	Correct	84 ms	6264 KB	Output is correct
7	Correct	89 ms	6264 KB	Output is correct
8	Correct	85 ms	6136 KB	Output is correct
9	Correct	89 ms	6264 KB	Output is correct
10	Correct	88 ms	6264 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	6136 KB	Output is correct
2	Correct	45 ms	6264 KB	Output is correct
3	Correct	43 ms	6136 KB	Output is correct
4	Correct	43 ms	6136 KB	Output is correct
5	Correct	44 ms	6136 KB	Output is correct
6	Correct	44 ms	6136 KB	Output is correct
7	Correct	43 ms	6136 KB	Output is correct
8	Correct	41 ms	6136 KB	Output is correct
9	Correct	50 ms	6136 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	6136 KB	Output is correct
2	Correct	45 ms	6264 KB	Output is correct
3	Correct	43 ms	6136 KB	Output is correct
4	Correct	43 ms	6136 KB	Output is correct
5	Correct	44 ms	6136 KB	Output is correct
6	Correct	44 ms	6136 KB	Output is correct
7	Correct	43 ms	6136 KB	Output is correct
8	Correct	41 ms	6136 KB	Output is correct
9	Correct	50 ms	6136 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	53 ms	6136 KB	Output is correct
12	Correct	52 ms	6264 KB	Output is correct
13	Correct	54 ms	6136 KB	Output is correct
14	Correct	54 ms	6264 KB	Output is correct
15	Correct	55 ms	6136 KB	Output is correct
16	Correct	53 ms	6136 KB	Output is correct
17	Correct	54 ms	6228 KB	Output is correct
18	Correct	42 ms	6264 KB	Output is correct
19	Correct	41 ms	6136 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 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	376 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

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 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	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	8 ms	504 KB	Output is correct
12	Correct	7 ms	504 KB	Output is correct
13	Correct	8 ms	504 KB	Output is correct
14	Correct	8 ms	504 KB	Output is correct
15	Correct	8 ms	504 KB	Output is correct
16	Correct	8 ms	504 KB	Output is correct
17	Correct	8 ms	504 KB	Output is correct
18	Correct	8 ms	504 KB	Output is correct
19	Correct	6 ms	504 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct

Subtask #6
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	6136 KB	Output is correct
2	Correct	45 ms	6264 KB	Output is correct
3	Correct	43 ms	6136 KB	Output is correct
4	Correct	43 ms	6136 KB	Output is correct
5	Correct	44 ms	6136 KB	Output is correct
6	Correct	44 ms	6136 KB	Output is correct
7	Correct	43 ms	6136 KB	Output is correct
8	Correct	41 ms	6136 KB	Output is correct
9	Correct	50 ms	6136 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	53 ms	6136 KB	Output is correct
12	Correct	52 ms	6264 KB	Output is correct
13	Correct	54 ms	6136 KB	Output is correct
14	Correct	54 ms	6264 KB	Output is correct
15	Correct	55 ms	6136 KB	Output is correct
16	Correct	53 ms	6136 KB	Output is correct
17	Correct	54 ms	6228 KB	Output is correct
18	Correct	42 ms	6264 KB	Output is correct
19	Correct	41 ms	6136 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	82 ms	6136 KB	Output is correct
22	Correct	76 ms	6136 KB	Output is correct
23	Correct	77 ms	6136 KB	Output is correct
24	Correct	80 ms	6136 KB	Output is correct
25	Correct	79 ms	6136 KB	Output is correct
26	Correct	82 ms	6136 KB	Output is correct
27	Correct	77 ms	6136 KB	Output is correct
28	Correct	60 ms	6136 KB	Output is correct
29	Correct	61 ms	6140 KB	Output is correct
30	Correct	5 ms	376 KB	Output is correct

Subtask #7
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	252 KB	Output is correct
2	Correct	87 ms	6264 KB	Output is correct
3	Correct	87 ms	6244 KB	Output is correct
4	Correct	90 ms	6264 KB	Output is correct
5	Correct	86 ms	6264 KB	Output is correct
6	Correct	84 ms	6264 KB	Output is correct
7	Correct	89 ms	6264 KB	Output is correct
8	Correct	85 ms	6136 KB	Output is correct
9	Correct	89 ms	6264 KB	Output is correct
10	Correct	88 ms	6264 KB	Output is correct
11	Correct	44 ms	6136 KB	Output is correct
12	Correct	45 ms	6264 KB	Output is correct
13	Correct	43 ms	6136 KB	Output is correct
14	Correct	43 ms	6136 KB	Output is correct
15	Correct	44 ms	6136 KB	Output is correct
16	Correct	44 ms	6136 KB	Output is correct
17	Correct	43 ms	6136 KB	Output is correct
18	Correct	41 ms	6136 KB	Output is correct
19	Correct	50 ms	6136 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	53 ms	6136 KB	Output is correct
22	Correct	52 ms	6264 KB	Output is correct
23	Correct	54 ms	6136 KB	Output is correct
24	Correct	54 ms	6264 KB	Output is correct
25	Correct	55 ms	6136 KB	Output is correct
26	Correct	53 ms	6136 KB	Output is correct
27	Correct	54 ms	6228 KB	Output is correct
28	Correct	42 ms	6264 KB	Output is correct
29	Correct	41 ms	6136 KB	Output is correct
30	Correct	5 ms	376 KB	Output is correct
31	Correct	5 ms	376 KB	Output is correct
32	Correct	5 ms	376 KB	Output is correct
33	Correct	5 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	376 KB	Output is correct
39	Correct	5 ms	376 KB	Output is correct
40	Correct	5 ms	376 KB	Output is correct
41	Correct	8 ms	504 KB	Output is correct
42	Correct	7 ms	504 KB	Output is correct
43	Correct	8 ms	504 KB	Output is correct
44	Correct	8 ms	504 KB	Output is correct
45	Correct	8 ms	504 KB	Output is correct
46	Correct	8 ms	504 KB	Output is correct
47	Correct	8 ms	504 KB	Output is correct
48	Correct	8 ms	504 KB	Output is correct
49	Correct	6 ms	504 KB	Output is correct
50	Correct	5 ms	376 KB	Output is correct
51	Correct	82 ms	6136 KB	Output is correct
52	Correct	76 ms	6136 KB	Output is correct
53	Correct	77 ms	6136 KB	Output is correct
54	Correct	80 ms	6136 KB	Output is correct
55	Correct	79 ms	6136 KB	Output is correct
56	Correct	82 ms	6136 KB	Output is correct
57	Correct	77 ms	6136 KB	Output is correct
58	Correct	60 ms	6136 KB	Output is correct
59	Correct	61 ms	6140 KB	Output is correct
60	Correct	5 ms	376 KB	Output is correct
61	Correct	108 ms	6136 KB	Output is correct
62	Correct	109 ms	6136 KB	Output is correct
63	Correct	109 ms	6136 KB	Output is correct
64	Correct	108 ms	6136 KB	Output is correct
65	Correct	111 ms	6136 KB	Output is correct
66	Correct	111 ms	6136 KB	Output is correct
67	Correct	107 ms	6136 KB	Output is correct
68	Correct	111 ms	6136 KB	Output is correct
69	Correct	82 ms	6136 KB	Output is correct
70	Correct	5 ms	376 KB	Output is correct

답안 #209413

Compilation message

Subtask #1 2.0 / 2.0

Subtask #2 4.0 / 4.0

Subtask #3 9.0 / 9.0

Subtask #4 36.0 / 36.0

Subtask #5 28.0 / 28.0

Subtask #6 9.0 / 9.0

Subtask #7 12.0 / 12.0

Subtask #1
2.0 / 2.0

Subtask #2
4.0 / 4.0

Subtask #3
9.0 / 9.0

Subtask #4
36.0 / 36.0

Subtask #5
28.0 / 28.0

Subtask #6
9.0 / 9.0

Subtask #7
12.0 / 12.0