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답안 #294682

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
294682 2020-09-09T08:25:25 Z crossing0ver Mountains (NOI20_mountains) C++17
100 / 100
 1162 ms 32084 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<ll,int>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
#define oset tree<pii,null_type,less<pii>,rb_tree_tag,tree_order_statistics_node_update>
ll a[300005],L[300005],R[300005];
main() {
    oset s;
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    for (int i =1 ; i <= n; i++) {
        L[i] = s.order_of_key({a[i],0});
        s.insert({a[i],i});
    }
    s.clear();
    ll ans = 0;
    for (int  i = n; i > 0; i--) {
        R[i] = s.order_of_key({a[i],0});
        s.insert({a[i],i});
        ans += (ll)L[i]*R[i];
    }
    cout << ans;
}

Compilation message

Mountains.cpp:10:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   10 | main() {
      |      ^

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 926 ms 31768 KB Output is correct
3 Correct 937 ms 31696 KB Output is correct
4 Correct 917 ms 31796 KB Output is correct
5 Correct 927 ms 31688 KB Output is correct
6 Correct 933 ms 31904 KB Output is correct
7 Correct 940 ms 31728 KB Output is correct
8 Correct 969 ms 31684 KB Output is correct
9 Correct 934 ms 31736 KB Output is correct
10 Correct 929 ms 31768 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 373 ms 26736 KB Output is correct
2 Correct 381 ms 26744 KB Output is correct
3 Correct 376 ms 26744 KB Output is correct
4 Correct 383 ms 26744 KB Output is correct
5 Correct 377 ms 26800 KB Output is correct
6 Correct 386 ms 26744 KB Output is correct
7 Correct 380 ms 26744 KB Output is correct
8 Correct 538 ms 26752 KB Output is correct
9 Correct 563 ms 26748 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 373 ms 26736 KB Output is correct
2 Correct 381 ms 26744 KB Output is correct
3 Correct 376 ms 26744 KB Output is correct
4 Correct 383 ms 26744 KB Output is correct
5 Correct 377 ms 26800 KB Output is correct
6 Correct 386 ms 26744 KB Output is correct
7 Correct 380 ms 26744 KB Output is correct
8 Correct 538 ms 26752 KB Output is correct
9 Correct 563 ms 26748 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 734 ms 26984 KB Output is correct
12 Correct 714 ms 27000 KB Output is correct
13 Correct 693 ms 27128 KB Output is correct
14 Correct 669 ms 27260 KB Output is correct
15 Correct 709 ms 27000 KB Output is correct
16 Correct 712 ms 27004 KB Output is correct
17 Correct 714 ms 27000 KB Output is correct
18 Correct 567 ms 27000 KB Output is correct
19 Correct 569 ms 27000 KB Output is correct
20 Correct 1 ms 384 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 23 ms 1408 KB Output is correct
12 Correct 24 ms 1408 KB Output is correct
13 Correct 24 ms 1408 KB Output is correct
14 Correct 24 ms 1408 KB Output is correct
15 Correct 23 ms 1400 KB Output is correct
16 Correct 23 ms 1408 KB Output is correct
17 Correct 23 ms 1408 KB Output is correct
18 Correct 23 ms 1408 KB Output is correct
19 Correct 13 ms 1280 KB Output is correct
20 Correct 0 ms 384 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 373 ms 26736 KB Output is correct
2 Correct 381 ms 26744 KB Output is correct
3 Correct 376 ms 26744 KB Output is correct
4 Correct 383 ms 26744 KB Output is correct
5 Correct 377 ms 26800 KB Output is correct
6 Correct 386 ms 26744 KB Output is correct
7 Correct 380 ms 26744 KB Output is correct
8 Correct 538 ms 26752 KB Output is correct
9 Correct 563 ms 26748 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 734 ms 26984 KB Output is correct
12 Correct 714 ms 27000 KB Output is correct
13 Correct 693 ms 27128 KB Output is correct
14 Correct 669 ms 27260 KB Output is correct
15 Correct 709 ms 27000 KB Output is correct
16 Correct 712 ms 27004 KB Output is correct
17 Correct 714 ms 27000 KB Output is correct
18 Correct 567 ms 27000 KB Output is correct
19 Correct 569 ms 27000 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 895 ms 27920 KB Output is correct
22 Correct 898 ms 28024 KB Output is correct
23 Correct 905 ms 28076 KB Output is correct
24 Correct 896 ms 28000 KB Output is correct
25 Correct 903 ms 28024 KB Output is correct
26 Correct 904 ms 28004 KB Output is correct
27 Correct 931 ms 27896 KB Output is correct
28 Correct 662 ms 27988 KB Output is correct
29 Correct 677 ms 27936 KB Output is correct
30 Correct 1 ms 384 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 926 ms 31768 KB Output is correct
3 Correct 937 ms 31696 KB Output is correct
4 Correct 917 ms 31796 KB Output is correct
5 Correct 927 ms 31688 KB Output is correct
6 Correct 933 ms 31904 KB Output is correct
7 Correct 940 ms 31728 KB Output is correct
8 Correct 969 ms 31684 KB Output is correct
9 Correct 934 ms 31736 KB Output is correct
10 Correct 929 ms 31768 KB Output is correct
11 Correct 373 ms 26736 KB Output is correct
12 Correct 381 ms 26744 KB Output is correct
13 Correct 376 ms 26744 KB Output is correct
14 Correct 383 ms 26744 KB Output is correct
15 Correct 377 ms 26800 KB Output is correct
16 Correct 386 ms 26744 KB Output is correct
17 Correct 380 ms 26744 KB Output is correct
18 Correct 538 ms 26752 KB Output is correct
19 Correct 563 ms 26748 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 734 ms 26984 KB Output is correct
22 Correct 714 ms 27000 KB Output is correct
23 Correct 693 ms 27128 KB Output is correct
24 Correct 669 ms 27260 KB Output is correct
25 Correct 709 ms 27000 KB Output is correct
26 Correct 712 ms 27004 KB Output is correct
27 Correct 714 ms 27000 KB Output is correct
28 Correct 567 ms 27000 KB Output is correct
29 Correct 569 ms 27000 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 2 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 23 ms 1408 KB Output is correct
42 Correct 24 ms 1408 KB Output is correct
43 Correct 24 ms 1408 KB Output is correct
44 Correct 24 ms 1408 KB Output is correct
45 Correct 23 ms 1400 KB Output is correct
46 Correct 23 ms 1408 KB Output is correct
47 Correct 23 ms 1408 KB Output is correct
48 Correct 23 ms 1408 KB Output is correct
49 Correct 13 ms 1280 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 895 ms 27920 KB Output is correct
52 Correct 898 ms 28024 KB Output is correct
53 Correct 905 ms 28076 KB Output is correct
54 Correct 896 ms 28000 KB Output is correct
55 Correct 903 ms 28024 KB Output is correct
56 Correct 904 ms 28004 KB Output is correct
57 Correct 931 ms 27896 KB Output is correct
58 Correct 662 ms 27988 KB Output is correct
59 Correct 677 ms 27936 KB Output is correct
60 Correct 1 ms 384 KB Output is correct
61 Correct 1131 ms 31852 KB Output is correct
62 Correct 1162 ms 32084 KB Output is correct
63 Correct 1143 ms 31864 KB Output is correct
64 Correct 1142 ms 31868 KB Output is correct
65 Correct 1162 ms 31992 KB Output is correct
66 Correct 1117 ms 31736 KB Output is correct
67 Correct 1119 ms 31864 KB Output is correct
68 Correct 1118 ms 32048 KB Output is correct
69 Correct 848 ms 28152 KB Output is correct
70 Correct 1 ms 384 KB Output is correct