답안 #824991

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
824991	2023-08-14T12:56:27 Z	phoenix	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	294 ms	26808 KB

shoes

#include "shoes.h"
#include<bits/stdc++.h>

using namespace std;

const int N = (1 << 18);

int t[2 * N];
void update(int ql, int qr, int x) {
	if(ql > qr) return;
	for(ql += N, qr += N + 1; ql < qr; ql >>= 1, qr >>= 1) {
		if(ql & 1) t[ql++] += x;
		if(qr & 1) t[--qr] += x;
	}
}
int get(int pos) {
	int s = 0;
	for(pos += N; pos; pos >>= 1) 	
		s += t[pos];
	return s;
}

long long count_swaps(vector<int> s) {
	int n = (int)s.size();
	long long ans = 0;
	map<int, vector<int>> mp;

	for(int i = n - 1; i >= 0; i--) 	
		mp[s[i]].push_back(i);
	bool us[n] = {};
	for(int st = 0; st < n; st++) {
		if(us[st]) continue;
		int pos = mp[-s[st]].back();
		us[st] = 1;
		us[pos] = 1;
		mp[s[pos]].pop_back();
		mp[s[st]].pop_back();
		ans += pos + get(pos) - st - get(st) - 1;
		update(st + 1, pos - 1, +1);
		if(s[st] > 0) ans++;
	}	

	return ans;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	304 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	308 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	308 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	0 ms	308 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	1 ms	308 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	3 ms	852 KB	Output is correct
21	Correct	3 ms	852 KB	Output is correct
22	Correct	28 ms	5736 KB	Output is correct
23	Correct	19 ms	4276 KB	Output is correct
24	Correct	31 ms	5764 KB	Output is correct
25	Correct	25 ms	5552 KB	Output is correct
26	Correct	28 ms	5800 KB	Output is correct
27	Correct	22 ms	4144 KB	Output is correct
28	Correct	26 ms	5800 KB	Output is correct
29	Correct	26 ms	5800 KB	Output is correct
30	Correct	27 ms	5804 KB	Output is correct
31	Correct	31 ms	5828 KB	Output is correct
32	Correct	29 ms	5804 KB	Output is correct
33	Correct	25 ms	5548 KB	Output is correct
34	Correct	26 ms	5732 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	26 ms	5804 KB	Output is correct
38	Correct	27 ms	5808 KB	Output is correct
39	Correct	25 ms	5808 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	308 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	239 ms	26804 KB	Output is correct
6	Correct	98 ms	7744 KB	Output is correct
7	Correct	265 ms	26708 KB	Output is correct
8	Correct	28 ms	5876 KB	Output is correct
9	Correct	234 ms	26712 KB	Output is correct
10	Correct	181 ms	15816 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	304 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	308 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	308 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	0 ms	308 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	212 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	304 KB	Output is correct
41	Correct	1 ms	568 KB	Output is correct
42	Correct	1 ms	468 KB	Output is correct
43	Correct	1 ms	468 KB	Output is correct
44	Correct	3 ms	440 KB	Output is correct
45	Correct	1 ms	444 KB	Output is correct
46	Correct	1 ms	444 KB	Output is correct
47	Correct	1 ms	468 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	596 KB	Output is correct

Subtask #6
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	304 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	308 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	308 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	0 ms	308 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	1 ms	340 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	0 ms	212 KB	Output is correct
43	Correct	1 ms	308 KB	Output is correct
44	Correct	1 ms	308 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	0 ms	212 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	3 ms	852 KB	Output is correct
55	Correct	3 ms	852 KB	Output is correct
56	Correct	28 ms	5736 KB	Output is correct
57	Correct	19 ms	4276 KB	Output is correct
58	Correct	31 ms	5764 KB	Output is correct
59	Correct	25 ms	5552 KB	Output is correct
60	Correct	28 ms	5800 KB	Output is correct
61	Correct	22 ms	4144 KB	Output is correct
62	Correct	26 ms	5800 KB	Output is correct
63	Correct	26 ms	5800 KB	Output is correct
64	Correct	27 ms	5804 KB	Output is correct
65	Correct	31 ms	5828 KB	Output is correct
66	Correct	29 ms	5804 KB	Output is correct
67	Correct	25 ms	5548 KB	Output is correct
68	Correct	26 ms	5732 KB	Output is correct
69	Correct	0 ms	212 KB	Output is correct
70	Correct	0 ms	212 KB	Output is correct
71	Correct	26 ms	5804 KB	Output is correct
72	Correct	27 ms	5808 KB	Output is correct
73	Correct	25 ms	5808 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	0 ms	308 KB	Output is correct
77	Correct	0 ms	212 KB	Output is correct
78	Correct	239 ms	26804 KB	Output is correct
79	Correct	98 ms	7744 KB	Output is correct
80	Correct	265 ms	26708 KB	Output is correct
81	Correct	28 ms	5876 KB	Output is correct
82	Correct	234 ms	26712 KB	Output is correct
83	Correct	181 ms	15816 KB	Output is correct
84	Correct	0 ms	212 KB	Output is correct
85	Correct	1 ms	340 KB	Output is correct
86	Correct	1 ms	340 KB	Output is correct
87	Correct	1 ms	304 KB	Output is correct
88	Correct	1 ms	568 KB	Output is correct
89	Correct	1 ms	468 KB	Output is correct
90	Correct	1 ms	468 KB	Output is correct
91	Correct	3 ms	440 KB	Output is correct
92	Correct	1 ms	444 KB	Output is correct
93	Correct	1 ms	444 KB	Output is correct
94	Correct	1 ms	468 KB	Output is correct
95	Correct	1 ms	340 KB	Output is correct
96	Correct	1 ms	340 KB	Output is correct
97	Correct	1 ms	340 KB	Output is correct
98	Correct	1 ms	340 KB	Output is correct
99	Correct	1 ms	596 KB	Output is correct
100	Correct	1 ms	596 KB	Output is correct
101	Correct	16 ms	2624 KB	Output is correct
102	Correct	8 ms	1268 KB	Output is correct
103	Correct	294 ms	26808 KB	Output is correct
104	Correct	231 ms	25124 KB	Output is correct
105	Correct	178 ms	17332 KB	Output is correct
106	Correct	265 ms	26700 KB	Output is correct
107	Correct	91 ms	8272 KB	Output is correct
108	Correct	91 ms	8764 KB	Output is correct
109	Correct	40 ms	6060 KB	Output is correct
110	Correct	26 ms	5804 KB	Output is correct
111	Correct	208 ms	24368 KB	Output is correct
112	Correct	235 ms	21908 KB	Output is correct
113	Correct	114 ms	8416 KB	Output is correct
114	Correct	236 ms	26804 KB	Output is correct
115	Correct	220 ms	26748 KB	Output is correct

답안 #824991

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