답안 #360184

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
360184	2021-01-27T16:36:49 Z	jesus_coconut	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	692 ms	148224 KB

shoes

#include "shoes.h"
#include <bitset>
#include <map>
#include <deque>
using namespace std;

template<class T>
struct BIT{
	vector<T> bit;

	explicit BIT(int N) : bit(N, 0) {}

	void add(int pos, T val) {
		for (++pos; pos < (int) bit.size(); pos += pos & -pos) {
			bit[pos] += val;
		}
	}

	T sum(int r) {
		T res{};
		for (++r; r > 0; r -= r & -r) {
			res += bit[r];
		}
		return res;
	}

	T sum(int l, int r) { return sum(r) - sum(l - 1); }
};


long long count_swaps(std::vector<int> s) {
	int n = s.size();
	BIT<int> bit(n + 1);
	map<int, deque<int>> mp;
	for (int i = 0; i < n; ++i) {
		mp[s[i]].push_back(i);
	}
	using ll = long long;
	ll ans = 0;
	for (int i = 0; i < n; ++i) {
		if (bit.sum(i, i)) continue;
		int r = mp[-s[i]].front();
		ans += r - i - bit.sum(i, r) - (s[i] < 0);
		bit.add(r, 1);
		mp[-s[i]].pop_front();
		mp[s[i]].pop_front();
	}
	return ans;
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	0 ms	364 KB	Output is correct
17	Correct	0 ms	364 KB	Output is correct
18	Correct	0 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	0 ms	364 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	0 ms	364 KB	Output is correct
25	Correct	0 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	0 ms	364 KB	Output is correct
28	Correct	0 ms	364 KB	Output is correct
29	Correct	0 ms	364 KB	Output is correct
30	Correct	0 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	0 ms	364 KB	Output is correct
36	Correct	0 ms	364 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	376 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	0 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	0 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	4 ms	748 KB	Output is correct
21	Correct	4 ms	748 KB	Output is correct
22	Correct	51 ms	4716 KB	Output is correct
23	Correct	39 ms	4716 KB	Output is correct
24	Correct	43 ms	4716 KB	Output is correct
25	Correct	37 ms	4588 KB	Output is correct
26	Correct	44 ms	4716 KB	Output is correct
27	Correct	38 ms	4588 KB	Output is correct
28	Correct	39 ms	4716 KB	Output is correct
29	Correct	39 ms	4716 KB	Output is correct
30	Correct	40 ms	4844 KB	Output is correct
31	Correct	42 ms	4716 KB	Output is correct
32	Correct	39 ms	4864 KB	Output is correct
33	Correct	45 ms	4588 KB	Output is correct
34	Correct	39 ms	4864 KB	Output is correct
35	Correct	0 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	38 ms	4716 KB	Output is correct
38	Correct	38 ms	4716 KB	Output is correct
39	Correct	38 ms	4716 KB	Output is correct

Subtask #4

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	584 ms	148076 KB	Output is correct
6	Correct	174 ms	16492 KB	Output is correct
7	Correct	588 ms	147948 KB	Output is correct
8	Correct	41 ms	4716 KB	Output is correct
9	Correct	609 ms	148076 KB	Output is correct
10	Correct	430 ms	76012 KB	Output is correct

Subtask #5

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	0 ms	364 KB	Output is correct
17	Correct	0 ms	364 KB	Output is correct
18	Correct	0 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	0 ms	364 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	0 ms	364 KB	Output is correct
25	Correct	0 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	0 ms	364 KB	Output is correct
28	Correct	0 ms	364 KB	Output is correct
29	Correct	0 ms	364 KB	Output is correct
30	Correct	0 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	0 ms	364 KB	Output is correct
36	Correct	0 ms	364 KB	Output is correct
37	Correct	0 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	492 KB	Output is correct
40	Correct	1 ms	620 KB	Output is correct
41	Correct	4 ms	1772 KB	Output is correct
42	Correct	3 ms	1772 KB	Output is correct
43	Correct	2 ms	1644 KB	Output is correct
44	Correct	3 ms	1388 KB	Output is correct
45	Correct	2 ms	1260 KB	Output is correct
46	Correct	2 ms	1132 KB	Output is correct
47	Correct	2 ms	1004 KB	Output is correct
48	Correct	2 ms	748 KB	Output is correct
49	Correct	2 ms	620 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	3 ms	1772 KB	Output is correct

Subtask #6

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	0 ms	364 KB	Output is correct
17	Correct	0 ms	364 KB	Output is correct
18	Correct	0 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	0 ms	364 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	0 ms	364 KB	Output is correct
25	Correct	0 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	0 ms	364 KB	Output is correct
28	Correct	0 ms	364 KB	Output is correct
29	Correct	0 ms	364 KB	Output is correct
30	Correct	0 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	0 ms	364 KB	Output is correct
36	Correct	0 ms	364 KB	Output is correct
37	Correct	0 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	1 ms	376 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	0 ms	364 KB	Output is correct
44	Correct	0 ms	364 KB	Output is correct
45	Correct	0 ms	364 KB	Output is correct
46	Correct	0 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	0 ms	364 KB	Output is correct
49	Correct	1 ms	364 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	364 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	4 ms	748 KB	Output is correct
55	Correct	4 ms	748 KB	Output is correct
56	Correct	51 ms	4716 KB	Output is correct
57	Correct	39 ms	4716 KB	Output is correct
58	Correct	43 ms	4716 KB	Output is correct
59	Correct	37 ms	4588 KB	Output is correct
60	Correct	44 ms	4716 KB	Output is correct
61	Correct	38 ms	4588 KB	Output is correct
62	Correct	39 ms	4716 KB	Output is correct
63	Correct	39 ms	4716 KB	Output is correct
64	Correct	40 ms	4844 KB	Output is correct
65	Correct	42 ms	4716 KB	Output is correct
66	Correct	39 ms	4864 KB	Output is correct
67	Correct	45 ms	4588 KB	Output is correct
68	Correct	39 ms	4864 KB	Output is correct
69	Correct	0 ms	364 KB	Output is correct
70	Correct	1 ms	364 KB	Output is correct
71	Correct	38 ms	4716 KB	Output is correct
72	Correct	38 ms	4716 KB	Output is correct
73	Correct	38 ms	4716 KB	Output is correct
74	Correct	1 ms	364 KB	Output is correct
75	Correct	1 ms	364 KB	Output is correct
76	Correct	1 ms	364 KB	Output is correct
77	Correct	0 ms	364 KB	Output is correct
78	Correct	584 ms	148076 KB	Output is correct
79	Correct	174 ms	16492 KB	Output is correct
80	Correct	588 ms	147948 KB	Output is correct
81	Correct	41 ms	4716 KB	Output is correct
82	Correct	609 ms	148076 KB	Output is correct
83	Correct	430 ms	76012 KB	Output is correct
84	Correct	0 ms	364 KB	Output is correct
85	Correct	1 ms	364 KB	Output is correct
86	Correct	1 ms	492 KB	Output is correct
87	Correct	1 ms	620 KB	Output is correct
88	Correct	4 ms	1772 KB	Output is correct
89	Correct	3 ms	1772 KB	Output is correct
90	Correct	2 ms	1644 KB	Output is correct
91	Correct	3 ms	1388 KB	Output is correct
92	Correct	2 ms	1260 KB	Output is correct
93	Correct	2 ms	1132 KB	Output is correct
94	Correct	2 ms	1004 KB	Output is correct
95	Correct	2 ms	748 KB	Output is correct
96	Correct	2 ms	620 KB	Output is correct
97	Correct	1 ms	364 KB	Output is correct
98	Correct	1 ms	364 KB	Output is correct
99	Correct	3 ms	1772 KB	Output is correct
100	Correct	3 ms	1772 KB	Output is correct
101	Correct	34 ms	13548 KB	Output is correct
102	Correct	14 ms	3564 KB	Output is correct
103	Correct	692 ms	147948 KB	Output is correct
104	Correct	597 ms	148204 KB	Output is correct
105	Correct	500 ms	85868 KB	Output is correct
106	Correct	593 ms	148224 KB	Output is correct
107	Correct	217 ms	19948 KB	Output is correct
108	Correct	300 ms	36076 KB	Output is correct
109	Correct	50 ms	4716 KB	Output is correct
110	Correct	41 ms	4736 KB	Output is correct
111	Correct	546 ms	132204 KB	Output is correct
112	Correct	590 ms	116076 KB	Output is correct
113	Correct	221 ms	21868 KB	Output is correct
114	Correct	596 ms	147948 KB	Output is correct
115	Correct	593 ms	148068 KB	Output is correct