oj.uz

Submission #799923

# Submission time Handle Problem Language Result Execution time Memory
799923 2023-08-01T08:25:26 Z cig32 Mountains (NOI20_mountains) C++17
100 / 100
 722 ms 27080 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace __gnu_pbds;
#define int long long
typedef tree<pair<int,int>, null_type, less<pair<int,int> >, rb_tree_tag, tree_order_statistics_node_update> ost;
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  cin >> n;
  int a[n+1];
  for(int i=1; i<=n; i++) cin >> a[i];
  ost left, right;
  for(int i=3; i<=n; i++) right.insert({a[i],i});
  left.insert({a[1],1});
  int ans = left.order_of_key({a[2],0}) * right.order_of_key({a[2],0});
  for(int i=3; i<n; i++) {
    left.insert({a[i-1],i-1});
    right.erase({a[i],i});
    ans += left.order_of_key({a[i],0}) * right.order_of_key({a[i],0});
  }
  cout << ans << "\n";
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 504 ms 21964 KB Output is correct
3 Correct 502 ms 22072 KB Output is correct
4 Correct 515 ms 22068 KB Output is correct
5 Correct 501 ms 22040 KB Output is correct
6 Correct 509 ms 22168 KB Output is correct
7 Correct 505 ms 22092 KB Output is correct
8 Correct 506 ms 21996 KB Output is correct
9 Correct 511 ms 21944 KB Output is correct
10 Correct 512 ms 22032 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 257 ms 21848 KB Output is correct
2 Correct 269 ms 21892 KB Output is correct
3 Correct 256 ms 22024 KB Output is correct
4 Correct 251 ms 21936 KB Output is correct
5 Correct 262 ms 21964 KB Output is correct
6 Correct 260 ms 22024 KB Output is correct
7 Correct 255 ms 22016 KB Output is correct
8 Correct 508 ms 22032 KB Output is correct
9 Correct 499 ms 21952 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 257 ms 21848 KB Output is correct
2 Correct 269 ms 21892 KB Output is correct
3 Correct 256 ms 22024 KB Output is correct
4 Correct 251 ms 21936 KB Output is correct
5 Correct 262 ms 21964 KB Output is correct
6 Correct 260 ms 22024 KB Output is correct
7 Correct 255 ms 22016 KB Output is correct
8 Correct 508 ms 22032 KB Output is correct
9 Correct 499 ms 21952 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 444 ms 22280 KB Output is correct
12 Correct 488 ms 22280 KB Output is correct
13 Correct 483 ms 22284 KB Output is correct
14 Correct 477 ms 22288 KB Output is correct
15 Correct 481 ms 22284 KB Output is correct
16 Correct 487 ms 22284 KB Output is correct
17 Correct 474 ms 22280 KB Output is correct
18 Correct 483 ms 22184 KB Output is correct
19 Correct 479 ms 22332 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 9 ms 1108 KB Output is correct
12 Correct 12 ms 1108 KB Output is correct
13 Correct 9 ms 1208 KB Output is correct
14 Correct 10 ms 1208 KB Output is correct
15 Correct 9 ms 1200 KB Output is correct
16 Correct 9 ms 1108 KB Output is correct
17 Correct 9 ms 1108 KB Output is correct
18 Correct 9 ms 1108 KB Output is correct
19 Correct 8 ms 980 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 257 ms 21848 KB Output is correct
2 Correct 269 ms 21892 KB Output is correct
3 Correct 256 ms 22024 KB Output is correct
4 Correct 251 ms 21936 KB Output is correct
5 Correct 262 ms 21964 KB Output is correct
6 Correct 260 ms 22024 KB Output is correct
7 Correct 255 ms 22016 KB Output is correct
8 Correct 508 ms 22032 KB Output is correct
9 Correct 499 ms 21952 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 444 ms 22280 KB Output is correct
12 Correct 488 ms 22280 KB Output is correct
13 Correct 483 ms 22284 KB Output is correct
14 Correct 477 ms 22288 KB Output is correct
15 Correct 481 ms 22284 KB Output is correct
16 Correct 487 ms 22284 KB Output is correct
17 Correct 474 ms 22280 KB Output is correct
18 Correct 483 ms 22184 KB Output is correct
19 Correct 479 ms 22332 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 722 ms 23160 KB Output is correct
22 Correct 689 ms 23164 KB Output is correct
23 Correct 631 ms 23168 KB Output is correct
24 Correct 605 ms 23116 KB Output is correct
25 Correct 607 ms 23160 KB Output is correct
26 Correct 622 ms 23116 KB Output is correct
27 Correct 619 ms 23164 KB Output is correct
28 Correct 500 ms 23168 KB Output is correct
29 Correct 503 ms 23212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct

Subtask #7
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 504 ms 21964 KB Output is correct
3 Correct 502 ms 22072 KB Output is correct
4 Correct 515 ms 22068 KB Output is correct
5 Correct 501 ms 22040 KB Output is correct
6 Correct 509 ms 22168 KB Output is correct
7 Correct 505 ms 22092 KB Output is correct
8 Correct 506 ms 21996 KB Output is correct
9 Correct 511 ms 21944 KB Output is correct
10 Correct 512 ms 22032 KB Output is correct
11 Correct 257 ms 21848 KB Output is correct
12 Correct 269 ms 21892 KB Output is correct
13 Correct 256 ms 22024 KB Output is correct
14 Correct 251 ms 21936 KB Output is correct
15 Correct 262 ms 21964 KB Output is correct
16 Correct 260 ms 22024 KB Output is correct
17 Correct 255 ms 22016 KB Output is correct
18 Correct 508 ms 22032 KB Output is correct
19 Correct 499 ms 21952 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 444 ms 22280 KB Output is correct
22 Correct 488 ms 22280 KB Output is correct
23 Correct 483 ms 22284 KB Output is correct
24 Correct 477 ms 22288 KB Output is correct
25 Correct 481 ms 22284 KB Output is correct
26 Correct 487 ms 22284 KB Output is correct
27 Correct 474 ms 22280 KB Output is correct
28 Correct 483 ms 22184 KB Output is correct
29 Correct 479 ms 22332 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 328 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 324 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 9 ms 1108 KB Output is correct
42 Correct 12 ms 1108 KB Output is correct
43 Correct 9 ms 1208 KB Output is correct
44 Correct 10 ms 1208 KB Output is correct
45 Correct 9 ms 1200 KB Output is correct
46 Correct 9 ms 1108 KB Output is correct
47 Correct 9 ms 1108 KB Output is correct
48 Correct 9 ms 1108 KB Output is correct
49 Correct 8 ms 980 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 722 ms 23160 KB Output is correct
52 Correct 689 ms 23164 KB Output is correct
53 Correct 631 ms 23168 KB Output is correct
54 Correct 605 ms 23116 KB Output is correct
55 Correct 607 ms 23160 KB Output is correct
56 Correct 622 ms 23116 KB Output is correct
57 Correct 619 ms 23164 KB Output is correct
58 Correct 500 ms 23168 KB Output is correct
59 Correct 503 ms 23212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 589 ms 26972 KB Output is correct
62 Correct 609 ms 26972 KB Output is correct
63 Correct 611 ms 26972 KB Output is correct
64 Correct 628 ms 27080 KB Output is correct
65 Correct 627 ms 26972 KB Output is correct
66 Correct 598 ms 26988 KB Output is correct
67 Correct 595 ms 26968 KB Output is correct
68 Correct 608 ms 27020 KB Output is correct
69 Correct 596 ms 23272 KB Output is correct
70 Correct 0 ms 212 KB Output is correct