oj.uz

Submission #541000

# Submission time Handle Problem Language Result Execution time Memory
541000 2022-03-22T06:07:33 Z bayemirov Mountains (NOI20_mountains) C++17
100 / 100
 906 ms 21908 KB 
// bayemirov

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>

using namespace __gnu_pbds;
using namespace std;


typedef long long ll;

typedef tree<
ll,
null_type,
less_equal<ll>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

const int N = 4e5;

int n;
ll h[N], ans;
ordered_set a, b;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> h[i];
		if (i > 1)
			b.insert(h[i]);
	}
	a.insert(h[0]);
	for (int i = 1; i < n; i++) {
		int cnt_x = a.order_of_key(h[i]);
		int cnt_z = b.order_of_key(h[i]);
		//cout << i << ' ' << cnt_x << ' ' << cnt_z << "\n";
		ans += cnt_x*1ll*cnt_z;
		a.insert(h[i]);
		b.erase(b.find_by_order(b.order_of_key(h[i+1])));
	}
	cout << ans;
	return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 497 ms 21468 KB Output is correct
3 Correct 496 ms 21604 KB Output is correct
4 Correct 520 ms 21760 KB Output is correct
5 Correct 496 ms 21696 KB Output is correct
6 Correct 501 ms 21908 KB Output is correct
7 Correct 509 ms 21580 KB Output is correct
8 Correct 492 ms 21620 KB Output is correct
9 Correct 509 ms 21580 KB Output is correct
10 Correct 503 ms 21668 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 321 ms 21496 KB Output is correct
2 Correct 315 ms 21680 KB Output is correct
3 Correct 297 ms 21576 KB Output is correct
4 Correct 315 ms 21672 KB Output is correct
5 Correct 323 ms 21636 KB Output is correct
6 Correct 315 ms 21568 KB Output is correct
7 Correct 305 ms 21636 KB Output is correct
8 Correct 443 ms 21528 KB Output is correct
9 Correct 448 ms 21636 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 321 ms 21496 KB Output is correct
2 Correct 315 ms 21680 KB Output is correct
3 Correct 297 ms 21576 KB Output is correct
4 Correct 315 ms 21672 KB Output is correct
5 Correct 323 ms 21636 KB Output is correct
6 Correct 315 ms 21568 KB Output is correct
7 Correct 305 ms 21636 KB Output is correct
8 Correct 443 ms 21528 KB Output is correct
9 Correct 448 ms 21636 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 616 ms 21740 KB Output is correct
12 Correct 622 ms 21700 KB Output is correct
13 Correct 637 ms 21696 KB Output is correct
14 Correct 611 ms 21708 KB Output is correct
15 Correct 628 ms 21708 KB Output is correct
16 Correct 638 ms 21704 KB Output is correct
17 Correct 625 ms 21700 KB Output is correct
18 Correct 464 ms 21696 KB Output is correct
19 Correct 462 ms 21668 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 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 340 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 1 ms 324 KB Output is correct

Subtask #5
28.0 / 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 340 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 1 ms 324 KB Output is correct
11 Correct 12 ms 1108 KB Output is correct
12 Correct 11 ms 1160 KB Output is correct
13 Correct 11 ms 1108 KB Output is correct
14 Correct 11 ms 1096 KB Output is correct
15 Correct 11 ms 1112 KB Output is correct
16 Correct 11 ms 1108 KB Output is correct
17 Correct 13 ms 1108 KB Output is correct
18 Correct 12 ms 1236 KB Output is correct
19 Correct 10 ms 1028 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 321 ms 21496 KB Output is correct
2 Correct 315 ms 21680 KB Output is correct
3 Correct 297 ms 21576 KB Output is correct
4 Correct 315 ms 21672 KB Output is correct
5 Correct 323 ms 21636 KB Output is correct
6 Correct 315 ms 21568 KB Output is correct
7 Correct 305 ms 21636 KB Output is correct
8 Correct 443 ms 21528 KB Output is correct
9 Correct 448 ms 21636 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 616 ms 21740 KB Output is correct
12 Correct 622 ms 21700 KB Output is correct
13 Correct 637 ms 21696 KB Output is correct
14 Correct 611 ms 21708 KB Output is correct
15 Correct 628 ms 21708 KB Output is correct
16 Correct 638 ms 21704 KB Output is correct
17 Correct 625 ms 21700 KB Output is correct
18 Correct 464 ms 21696 KB Output is correct
19 Correct 462 ms 21668 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 832 ms 21700 KB Output is correct
22 Correct 839 ms 21708 KB Output is correct
23 Correct 836 ms 21760 KB Output is correct
24 Correct 906 ms 21700 KB Output is correct
25 Correct 840 ms 21704 KB Output is correct
26 Correct 874 ms 21704 KB Output is correct
27 Correct 838 ms 21808 KB Output is correct
28 Correct 475 ms 21704 KB Output is correct
29 Correct 473 ms 21708 KB Output is correct
30 Correct 1 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 497 ms 21468 KB Output is correct
3 Correct 496 ms 21604 KB Output is correct
4 Correct 520 ms 21760 KB Output is correct
5 Correct 496 ms 21696 KB Output is correct
6 Correct 501 ms 21908 KB Output is correct
7 Correct 509 ms 21580 KB Output is correct
8 Correct 492 ms 21620 KB Output is correct
9 Correct 509 ms 21580 KB Output is correct
10 Correct 503 ms 21668 KB Output is correct
11 Correct 321 ms 21496 KB Output is correct
12 Correct 315 ms 21680 KB Output is correct
13 Correct 297 ms 21576 KB Output is correct
14 Correct 315 ms 21672 KB Output is correct
15 Correct 323 ms 21636 KB Output is correct
16 Correct 315 ms 21568 KB Output is correct
17 Correct 305 ms 21636 KB Output is correct
18 Correct 443 ms 21528 KB Output is correct
19 Correct 448 ms 21636 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 616 ms 21740 KB Output is correct
22 Correct 622 ms 21700 KB Output is correct
23 Correct 637 ms 21696 KB Output is correct
24 Correct 611 ms 21708 KB Output is correct
25 Correct 628 ms 21708 KB Output is correct
26 Correct 638 ms 21704 KB Output is correct
27 Correct 625 ms 21700 KB Output is correct
28 Correct 464 ms 21696 KB Output is correct
29 Correct 462 ms 21668 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 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 340 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 1 ms 324 KB Output is correct
41 Correct 12 ms 1108 KB Output is correct
42 Correct 11 ms 1160 KB Output is correct
43 Correct 11 ms 1108 KB Output is correct
44 Correct 11 ms 1096 KB Output is correct
45 Correct 11 ms 1112 KB Output is correct
46 Correct 11 ms 1108 KB Output is correct
47 Correct 13 ms 1108 KB Output is correct
48 Correct 12 ms 1236 KB Output is correct
49 Correct 10 ms 1028 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 832 ms 21700 KB Output is correct
52 Correct 839 ms 21708 KB Output is correct
53 Correct 836 ms 21760 KB Output is correct
54 Correct 906 ms 21700 KB Output is correct
55 Correct 840 ms 21704 KB Output is correct
56 Correct 874 ms 21704 KB Output is correct
57 Correct 838 ms 21808 KB Output is correct
58 Correct 475 ms 21704 KB Output is correct
59 Correct 473 ms 21708 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 831 ms 21700 KB Output is correct
62 Correct 891 ms 21776 KB Output is correct
63 Correct 812 ms 21696 KB Output is correct
64 Correct 803 ms 21696 KB Output is correct
65 Correct 804 ms 21732 KB Output is correct
66 Correct 790 ms 21712 KB Output is correct
67 Correct 790 ms 21700 KB Output is correct
68 Correct 806 ms 21692 KB Output is correct
69 Correct 793 ms 21700 KB Output is correct
70 Correct 1 ms 212 KB Output is correct