답안 #415686

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
415686	2021-06-01T11:20:41 Z	Mlxa	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	336 ms	26712 KB

shoes

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) x.begin(), x.end()
#define mp make_pair
#define mt make_tuple
#define x first
#define y second
#include "shoes.h"

const int N = 1 << 20;

int fen[N];

int f(int x) {
	// cout << x << endl;
	int s = 0;
	for (int i = x; i >= 0; i = (i & (i + 1)) - 1) {
		s += fen[i];
	}
	for (int i = x; i < N; i |= i + 1) {
		++fen[i];
	}
	return s;
}

ll count_swaps(vector<int> s) {
	map<int, vector<int>> open, close;
	vector<pair<int, int>> pairs;
	for (int i = 0; i < (int)s.size(); ++i) {
		if (s[i] < 0) {
			open[abs(s[i])].push_back(i);
		} else {
			close[abs(s[i])].push_back(i);
		}
	}
	for (auto xop : open) {
		const vector<int> &op = xop.y;
		const vector<int> &cl = close[xop.x];
		assert(op.size() == cl.size());
		for (int i = 0; i < (int)op.size(); ++i) {
			pairs.emplace_back(op[i], cl[i]);
		}
	}
	ll answer = 0;
	for (auto &e : pairs) {
		if (e.x > e.y) {
			++answer;
			swap(e.x, e.y);
		}
		// cout << "# " << e.x << " " << e.y << endl;
	}
	sort(all(pairs));
	reverse(all(pairs));
	for (auto e : pairs) {
		answer += f(e.y);
		answer += f(e.x);
	}
	return answer;
}

#ifdef LC
#include "grader.cpp"
#endif

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	2 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	2 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	2 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	332 KB	Output is correct
20	Correct	5 ms	844 KB	Output is correct
21	Correct	5 ms	924 KB	Output is correct
22	Correct	41 ms	4280 KB	Output is correct
23	Correct	43 ms	5656 KB	Output is correct
24	Correct	41 ms	5512 KB	Output is correct
25	Correct	37 ms	5428 KB	Output is correct
26	Correct	41 ms	5656 KB	Output is correct
27	Correct	39 ms	5404 KB	Output is correct
28	Correct	40 ms	5528 KB	Output is correct
29	Correct	39 ms	5552 KB	Output is correct
30	Correct	38 ms	5552 KB	Output is correct
31	Correct	40 ms	5548 KB	Output is correct
32	Correct	39 ms	5552 KB	Output is correct
33	Correct	37 ms	5336 KB	Output is correct
34	Correct	37 ms	5536 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	38 ms	5548 KB	Output is correct
38	Correct	38 ms	5532 KB	Output is correct
39	Correct	39 ms	5520 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	278 ms	25396 KB	Output is correct
6	Correct	86 ms	7600 KB	Output is correct
7	Correct	311 ms	26660 KB	Output is correct
8	Correct	42 ms	5668 KB	Output is correct
9	Correct	304 ms	26636 KB	Output is correct
10	Correct	178 ms	15768 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	2 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	2 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	2 ms	332 KB	Output is correct
41	Correct	2 ms	460 KB	Output is correct
42	Correct	3 ms	588 KB	Output is correct
43	Correct	2 ms	460 KB	Output is correct
44	Correct	2 ms	460 KB	Output is correct
45	Correct	2 ms	460 KB	Output is correct
46	Correct	2 ms	460 KB	Output is correct
47	Correct	2 ms	460 KB	Output is correct
48	Correct	2 ms	332 KB	Output is correct
49	Correct	2 ms	332 KB	Output is correct
50	Correct	1 ms	332 KB	Output is correct
51	Correct	2 ms	332 KB	Output is correct
52	Correct	2 ms	588 KB	Output is correct

Subtask #6
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	2 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	2 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	332 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	2 ms	332 KB	Output is correct
45	Correct	1 ms	332 KB	Output is correct
46	Correct	1 ms	332 KB	Output is correct
47	Correct	1 ms	332 KB	Output is correct
48	Correct	1 ms	332 KB	Output is correct
49	Correct	1 ms	332 KB	Output is correct
50	Correct	1 ms	332 KB	Output is correct
51	Correct	1 ms	332 KB	Output is correct
52	Correct	1 ms	332 KB	Output is correct
53	Correct	2 ms	332 KB	Output is correct
54	Correct	5 ms	844 KB	Output is correct
55	Correct	5 ms	924 KB	Output is correct
56	Correct	41 ms	4280 KB	Output is correct
57	Correct	43 ms	5656 KB	Output is correct
58	Correct	41 ms	5512 KB	Output is correct
59	Correct	37 ms	5428 KB	Output is correct
60	Correct	41 ms	5656 KB	Output is correct
61	Correct	39 ms	5404 KB	Output is correct
62	Correct	40 ms	5528 KB	Output is correct
63	Correct	39 ms	5552 KB	Output is correct
64	Correct	38 ms	5552 KB	Output is correct
65	Correct	40 ms	5548 KB	Output is correct
66	Correct	39 ms	5552 KB	Output is correct
67	Correct	37 ms	5336 KB	Output is correct
68	Correct	37 ms	5536 KB	Output is correct
69	Correct	1 ms	332 KB	Output is correct
70	Correct	1 ms	332 KB	Output is correct
71	Correct	38 ms	5548 KB	Output is correct
72	Correct	38 ms	5532 KB	Output is correct
73	Correct	39 ms	5520 KB	Output is correct
74	Correct	1 ms	332 KB	Output is correct
75	Correct	1 ms	332 KB	Output is correct
76	Correct	1 ms	332 KB	Output is correct
77	Correct	1 ms	332 KB	Output is correct
78	Correct	278 ms	25396 KB	Output is correct
79	Correct	86 ms	7600 KB	Output is correct
80	Correct	311 ms	26660 KB	Output is correct
81	Correct	42 ms	5668 KB	Output is correct
82	Correct	304 ms	26636 KB	Output is correct
83	Correct	178 ms	15768 KB	Output is correct
84	Correct	1 ms	332 KB	Output is correct
85	Correct	1 ms	332 KB	Output is correct
86	Correct	1 ms	332 KB	Output is correct
87	Correct	2 ms	332 KB	Output is correct
88	Correct	2 ms	460 KB	Output is correct
89	Correct	3 ms	588 KB	Output is correct
90	Correct	2 ms	460 KB	Output is correct
91	Correct	2 ms	460 KB	Output is correct
92	Correct	2 ms	460 KB	Output is correct
93	Correct	2 ms	460 KB	Output is correct
94	Correct	2 ms	460 KB	Output is correct
95	Correct	2 ms	332 KB	Output is correct
96	Correct	2 ms	332 KB	Output is correct
97	Correct	1 ms	332 KB	Output is correct
98	Correct	2 ms	332 KB	Output is correct
99	Correct	2 ms	588 KB	Output is correct
100	Correct	2 ms	588 KB	Output is correct
101	Correct	16 ms	2768 KB	Output is correct
102	Correct	11 ms	1276 KB	Output is correct
103	Correct	336 ms	26648 KB	Output is correct
104	Correct	320 ms	26692 KB	Output is correct
105	Correct	217 ms	17196 KB	Output is correct
106	Correct	298 ms	26684 KB	Output is correct
107	Correct	94 ms	8124 KB	Output is correct
108	Correct	103 ms	10168 KB	Output is correct
109	Correct	44 ms	5760 KB	Output is correct
110	Correct	37 ms	5528 KB	Output is correct
111	Correct	259 ms	24332 KB	Output is correct
112	Correct	307 ms	21800 KB	Output is correct
113	Correct	113 ms	8260 KB	Output is correct
114	Correct	241 ms	26632 KB	Output is correct
115	Correct	258 ms	26712 KB	Output is correct

답안 #415686

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 15.0 / 15.0

Subtask #5 20.0 / 20.0

Subtask #6 15.0 / 15.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
15.0 / 15.0

Subtask #5
20.0 / 20.0

Subtask #6
15.0 / 15.0