oj.uz

Submission #799920

# Submission time Handle Problem Language Result Execution time Memory
799920 2023-08-01T08:23:05 Z cig32 Mountains (NOI20_mountains) C++17
2 / 100
 535 ms 27096 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<int, null_type, less<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]);
  left.insert(a[1]);
  int ans = left.order_of_key(a[2]) * right.order_of_key(a[2]);
  for(int i=3; i<n; i++) {
    left.insert(a[i-1]);
    right.erase(a[i]);
    ans += left.order_of_key(a[i]) * right.order_of_key(a[i]);
  }
  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 510 ms 26984 KB Output is correct
3 Correct 523 ms 27096 KB Output is correct
4 Correct 512 ms 26980 KB Output is correct
5 Correct 515 ms 26968 KB Output is correct
6 Correct 535 ms 26964 KB Output is correct
7 Correct 516 ms 26948 KB Output is correct
8 Correct 505 ms 26972 KB Output is correct
9 Correct 303 ms 17944 KB Output is correct
10 Correct 320 ms 17952 KB Output is correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 3232 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 3232 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 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 364 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 1 ms 340 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 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 364 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 1 ms 340 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 3232 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 510 ms 26984 KB Output is correct
3 Correct 523 ms 27096 KB Output is correct
4 Correct 512 ms 26980 KB Output is correct
5 Correct 515 ms 26968 KB Output is correct
6 Correct 535 ms 26964 KB Output is correct
7 Correct 516 ms 26948 KB Output is correct
8 Correct 505 ms 26972 KB Output is correct
9 Correct 303 ms 17944 KB Output is correct
10 Correct 320 ms 17952 KB Output is correct
11 Incorrect 20 ms 3232 KB Output isn't correct
12 Halted 0 ms 0 KB -