oj.uz

답안 #224560

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
224560 2020-04-18T12:06:38 Z Berted Mountains (NOI20_mountains) C++14
100 / 100
 393 ms 9720 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#define ll long long
#define pii pair<ll, int>
#define fst first
#define snd second
using namespace std;
int n, fenwick[300001] = {};
vector<pii> dt;
ll to = 0;
int query(int x)
{
	int to = 0;
	for (; x; x -= x & (-x)) {to += fenwick[x];}
	return to;
}
void upd(int x)
{
	for (; x <= n; x += x & (-x)) {fenwick[x]++;}
}
int main()
{
	cin >> n;
	for (int i = 0; i < n; i++) {ll x; cin >> x; dt.push_back({x, i + 1});}
	sort(dt.begin(), dt.end());
	int i = 0;
	while (i < n)
	{
		to += (ll)query(dt[i].snd) * (i - query(dt[i].snd));
		int j = i + 1;
		for (; j < n && dt[j].fst == dt[j - 1].fst; j++) {to += (ll)query(dt[j].snd) * (i - query(dt[j].snd));}
		for (; i < j; i++) {upd(dt[i].snd);}
	}
	cout << to << "\n";
	return 0;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 341 ms 9540 KB Output is correct
3 Correct 346 ms 9436 KB Output is correct
4 Correct 342 ms 9436 KB Output is correct
5 Correct 340 ms 9436 KB Output is correct
6 Correct 343 ms 9564 KB Output is correct
7 Correct 341 ms 9436 KB Output is correct
8 Correct 343 ms 9652 KB Output is correct
9 Correct 348 ms 9432 KB Output is correct
10 Correct 353 ms 9564 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 113 ms 9184 KB Output is correct
2 Correct 120 ms 9184 KB Output is correct
3 Correct 117 ms 9184 KB Output is correct
4 Correct 117 ms 9180 KB Output is correct
5 Correct 118 ms 9180 KB Output is correct
6 Correct 117 ms 9184 KB Output is correct
7 Correct 117 ms 9180 KB Output is correct
8 Correct 98 ms 9324 KB Output is correct
9 Correct 95 ms 9180 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 113 ms 9184 KB Output is correct
2 Correct 120 ms 9184 KB Output is correct
3 Correct 117 ms 9184 KB Output is correct
4 Correct 117 ms 9180 KB Output is correct
5 Correct 118 ms 9180 KB Output is correct
6 Correct 117 ms 9184 KB Output is correct
7 Correct 117 ms 9180 KB Output is correct
8 Correct 98 ms 9324 KB Output is correct
9 Correct 95 ms 9180 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 143 ms 9224 KB Output is correct
12 Correct 144 ms 9184 KB Output is correct
13 Correct 139 ms 9180 KB Output is correct
14 Correct 141 ms 9072 KB Output is correct
15 Correct 142 ms 9124 KB Output is correct
16 Correct 141 ms 9052 KB Output is correct
17 Correct 139 ms 9088 KB Output is correct
18 Correct 113 ms 9052 KB Output is correct
19 Correct 116 ms 9056 KB Output is correct
20 Correct 5 ms 384 KB Output is correct

Subtask #4
36.0 / 36.0

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

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 17 ms 896 KB Output is correct
12 Correct 16 ms 960 KB Output is correct
13 Correct 16 ms 896 KB Output is correct
14 Correct 17 ms 896 KB Output is correct
15 Correct 17 ms 896 KB Output is correct
16 Correct 17 ms 896 KB Output is correct
17 Correct 16 ms 896 KB Output is correct
18 Correct 16 ms 896 KB Output is correct
19 Correct 9 ms 768 KB Output is correct
20 Correct 5 ms 256 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 113 ms 9184 KB Output is correct
2 Correct 120 ms 9184 KB Output is correct
3 Correct 117 ms 9184 KB Output is correct
4 Correct 117 ms 9180 KB Output is correct
5 Correct 118 ms 9180 KB Output is correct
6 Correct 117 ms 9184 KB Output is correct
7 Correct 117 ms 9180 KB Output is correct
8 Correct 98 ms 9324 KB Output is correct
9 Correct 95 ms 9180 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 143 ms 9224 KB Output is correct
12 Correct 144 ms 9184 KB Output is correct
13 Correct 139 ms 9180 KB Output is correct
14 Correct 141 ms 9072 KB Output is correct
15 Correct 142 ms 9124 KB Output is correct
16 Correct 141 ms 9052 KB Output is correct
17 Correct 139 ms 9088 KB Output is correct
18 Correct 113 ms 9052 KB Output is correct
19 Correct 116 ms 9056 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 182 ms 9564 KB Output is correct
22 Correct 189 ms 9564 KB Output is correct
23 Correct 188 ms 9720 KB Output is correct
24 Correct 188 ms 9564 KB Output is correct
25 Correct 188 ms 9564 KB Output is correct
26 Correct 188 ms 9564 KB Output is correct
27 Correct 187 ms 9552 KB Output is correct
28 Correct 159 ms 9564 KB Output is correct
29 Correct 159 ms 9540 KB Output is correct
30 Correct 5 ms 384 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 341 ms 9540 KB Output is correct
3 Correct 346 ms 9436 KB Output is correct
4 Correct 342 ms 9436 KB Output is correct
5 Correct 340 ms 9436 KB Output is correct
6 Correct 343 ms 9564 KB Output is correct
7 Correct 341 ms 9436 KB Output is correct
8 Correct 343 ms 9652 KB Output is correct
9 Correct 348 ms 9432 KB Output is correct
10 Correct 353 ms 9564 KB Output is correct
11 Correct 113 ms 9184 KB Output is correct
12 Correct 120 ms 9184 KB Output is correct
13 Correct 117 ms 9184 KB Output is correct
14 Correct 117 ms 9180 KB Output is correct
15 Correct 118 ms 9180 KB Output is correct
16 Correct 117 ms 9184 KB Output is correct
17 Correct 117 ms 9180 KB Output is correct
18 Correct 98 ms 9324 KB Output is correct
19 Correct 95 ms 9180 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 143 ms 9224 KB Output is correct
22 Correct 144 ms 9184 KB Output is correct
23 Correct 139 ms 9180 KB Output is correct
24 Correct 141 ms 9072 KB Output is correct
25 Correct 142 ms 9124 KB Output is correct
26 Correct 141 ms 9052 KB Output is correct
27 Correct 139 ms 9088 KB Output is correct
28 Correct 113 ms 9052 KB Output is correct
29 Correct 116 ms 9056 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 6 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 6 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 17 ms 896 KB Output is correct
42 Correct 16 ms 960 KB Output is correct
43 Correct 16 ms 896 KB Output is correct
44 Correct 17 ms 896 KB Output is correct
45 Correct 17 ms 896 KB Output is correct
46 Correct 17 ms 896 KB Output is correct
47 Correct 16 ms 896 KB Output is correct
48 Correct 16 ms 896 KB Output is correct
49 Correct 9 ms 768 KB Output is correct
50 Correct 5 ms 256 KB Output is correct
51 Correct 182 ms 9564 KB Output is correct
52 Correct 189 ms 9564 KB Output is correct
53 Correct 188 ms 9720 KB Output is correct
54 Correct 188 ms 9564 KB Output is correct
55 Correct 188 ms 9564 KB Output is correct
56 Correct 188 ms 9564 KB Output is correct
57 Correct 187 ms 9552 KB Output is correct
58 Correct 159 ms 9564 KB Output is correct
59 Correct 159 ms 9540 KB Output is correct
60 Correct 5 ms 384 KB Output is correct
61 Correct 364 ms 9440 KB Output is correct
62 Correct 371 ms 9564 KB Output is correct
63 Correct 369 ms 9544 KB Output is correct
64 Correct 393 ms 9564 KB Output is correct
65 Correct 365 ms 9540 KB Output is correct
66 Correct 369 ms 9436 KB Output is correct
67 Correct 376 ms 9504 KB Output is correct
68 Correct 377 ms 9436 KB Output is correct
69 Correct 186 ms 9180 KB Output is correct
70 Correct 5 ms 384 KB Output is correct