Submission #961771

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
961771	2024-04-12T12:25:16 Z	raspy	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	139 ms	139512 KB

shoes

#include "shoes.h"
#include <queue>
#include <iostream>

#define mx 100000

using namespace std;

queue<int> ns[200005];
int fn[200005];

long long qr(int n, int x)
{
	int rez = 0;
	for (int i = x+1; i; i-=(i&-i))
		rez += fn[i];
	return rez;
}

void upd(int n, int x)
{
	for (int i = x+1; i <= n; i+=(i&-i))
		fn[i]++;
}

long long count_swaps(vector<int> s)
{
	int n = s.size();
	for (int i = 0; i < n; i++)
		ns[s[i]+mx].push(i);
	long long rez = 0, zm = 0;
	for (int i = 0; i < n; i++)
	{
		if (ns[s[i]+mx].empty() || ns[s[i]+mx].front() != i)
		{
			zm--;
			continue;
		}
		ns[s[i]+mx].pop();
		int par = s[i]*-1+mx;
		rez += ns[par].front()-i+qr(n, i)-qr(n, ns[par].front())-1;
		upd(n, ns[par].front());
		ns[par].pop();
		if (s[i] > 0 && (i+zm)%2 == 0)
			rez++;
		if (s[i] < 0 && (i+zm)%2 == 1)
			rez++;
		zm++;
	}
	return rez;
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	76 ms	135504 KB	Output is correct
2	Correct	64 ms	135448 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	76 ms	135504 KB	Output is correct
2	Correct	64 ms	135448 KB	Output is correct
3	Correct	71 ms	135504 KB	Output is correct
4	Correct	65 ms	135504 KB	Output is correct
5	Correct	69 ms	135508 KB	Output is correct
6	Correct	63 ms	135508 KB	Output is correct
7	Correct	65 ms	135604 KB	Output is correct
8	Correct	63 ms	135504 KB	Output is correct
9	Correct	68 ms	135556 KB	Output is correct
10	Correct	66 ms	135504 KB	Output is correct
11	Correct	68 ms	135508 KB	Output is correct
12	Correct	66 ms	135508 KB	Output is correct
13	Correct	62 ms	135412 KB	Output is correct
14	Correct	71 ms	135504 KB	Output is correct
15	Correct	65 ms	135764 KB	Output is correct
16	Correct	69 ms	135508 KB	Output is correct
17	Correct	62 ms	135536 KB	Output is correct
18	Correct	62 ms	135504 KB	Output is correct
19	Correct	63 ms	135516 KB	Output is correct
20	Correct	64 ms	135508 KB	Output is correct
21	Correct	66 ms	135600 KB	Output is correct
22	Correct	67 ms	135508 KB	Output is correct
23	Correct	68 ms	135532 KB	Output is correct
24	Correct	68 ms	135508 KB	Output is correct
25	Correct	63 ms	135508 KB	Output is correct
26	Correct	68 ms	135724 KB	Output is correct
27	Correct	63 ms	135612 KB	Output is correct
28	Correct	70 ms	135512 KB	Output is correct
29	Correct	64 ms	135504 KB	Output is correct
30	Correct	63 ms	135484 KB	Output is correct
31	Correct	63 ms	135504 KB	Output is correct
32	Correct	77 ms	135536 KB	Output is correct
33	Correct	66 ms	135508 KB	Output is correct
34	Correct	63 ms	135468 KB	Output is correct
35	Correct	63 ms	135508 KB	Output is correct
36	Correct	63 ms	135640 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	76 ms	135504 KB	Output is correct
2	Correct	64 ms	135448 KB	Output is correct
3	Correct	63 ms	135504 KB	Output is correct
4	Correct	70 ms	135580 KB	Output is correct
5	Correct	70 ms	135500 KB	Output is correct
6	Correct	68 ms	135508 KB	Output is correct
7	Correct	63 ms	135528 KB	Output is correct
8	Correct	69 ms	135504 KB	Output is correct
9	Correct	70 ms	135504 KB	Output is correct
10	Correct	64 ms	135612 KB	Output is correct
11	Correct	65 ms	135504 KB	Output is correct
12	Correct	63 ms	135500 KB	Output is correct
13	Correct	66 ms	135508 KB	Output is correct
14	Correct	75 ms	135508 KB	Output is correct
15	Correct	64 ms	135540 KB	Output is correct
16	Correct	66 ms	135496 KB	Output is correct
17	Correct	66 ms	135504 KB	Output is correct
18	Correct	66 ms	135504 KB	Output is correct
19	Correct	76 ms	135664 KB	Output is correct
20	Correct	72 ms	135736 KB	Output is correct
21	Correct	79 ms	135740 KB	Output is correct
22	Correct	92 ms	137992 KB	Output is correct
23	Correct	83 ms	138016 KB	Output is correct
24	Correct	86 ms	138280 KB	Output is correct
25	Correct	91 ms	137988 KB	Output is correct
26	Correct	94 ms	139512 KB	Output is correct
27	Correct	85 ms	139088 KB	Output is correct
28	Correct	96 ms	139192 KB	Output is correct
29	Correct	88 ms	139152 KB	Output is correct
30	Correct	89 ms	139128 KB	Output is correct
31	Correct	89 ms	139340 KB	Output is correct
32	Correct	88 ms	139312 KB	Output is correct
33	Correct	105 ms	139092 KB	Output is correct
34	Correct	90 ms	139252 KB	Output is correct
35	Correct	62 ms	135516 KB	Output is correct
36	Correct	63 ms	135620 KB	Output is correct
37	Correct	89 ms	139284 KB	Output is correct
38	Correct	99 ms	139144 KB	Output is correct
39	Correct	98 ms	139128 KB	Output is correct

Subtask #4

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	65 ms	135616 KB	Output is correct
2	Correct	78 ms	135860 KB	Output is correct
3	Correct	64 ms	135508 KB	Output is correct
4	Correct	65 ms	135504 KB	Output is correct
5	Correct	119 ms	137040 KB	Output is correct
6	Correct	96 ms	138324 KB	Output is correct
7	Correct	116 ms	138484 KB	Output is correct
8	Correct	85 ms	139124 KB	Output is correct
9	Correct	115 ms	138488 KB	Output is correct
10	Correct	125 ms	138368 KB	Output is correct

Subtask #5

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	76 ms	135504 KB	Output is correct
2	Correct	64 ms	135448 KB	Output is correct
3	Correct	71 ms	135504 KB	Output is correct
4	Correct	65 ms	135504 KB	Output is correct
5	Correct	69 ms	135508 KB	Output is correct
6	Correct	63 ms	135508 KB	Output is correct
7	Correct	65 ms	135604 KB	Output is correct
8	Correct	63 ms	135504 KB	Output is correct
9	Correct	68 ms	135556 KB	Output is correct
10	Correct	66 ms	135504 KB	Output is correct
11	Correct	68 ms	135508 KB	Output is correct
12	Correct	66 ms	135508 KB	Output is correct
13	Correct	62 ms	135412 KB	Output is correct
14	Correct	71 ms	135504 KB	Output is correct
15	Correct	65 ms	135764 KB	Output is correct
16	Correct	69 ms	135508 KB	Output is correct
17	Correct	62 ms	135536 KB	Output is correct
18	Correct	62 ms	135504 KB	Output is correct
19	Correct	63 ms	135516 KB	Output is correct
20	Correct	64 ms	135508 KB	Output is correct
21	Correct	66 ms	135600 KB	Output is correct
22	Correct	67 ms	135508 KB	Output is correct
23	Correct	68 ms	135532 KB	Output is correct
24	Correct	68 ms	135508 KB	Output is correct
25	Correct	63 ms	135508 KB	Output is correct
26	Correct	68 ms	135724 KB	Output is correct
27	Correct	63 ms	135612 KB	Output is correct
28	Correct	70 ms	135512 KB	Output is correct
29	Correct	64 ms	135504 KB	Output is correct
30	Correct	63 ms	135484 KB	Output is correct
31	Correct	63 ms	135504 KB	Output is correct
32	Correct	77 ms	135536 KB	Output is correct
33	Correct	66 ms	135508 KB	Output is correct
34	Correct	63 ms	135468 KB	Output is correct
35	Correct	63 ms	135508 KB	Output is correct
36	Correct	63 ms	135640 KB	Output is correct
37	Correct	69 ms	135508 KB	Output is correct
38	Correct	65 ms	135504 KB	Output is correct
39	Correct	68 ms	135596 KB	Output is correct
40	Correct	63 ms	135508 KB	Output is correct
41	Correct	72 ms	135764 KB	Output is correct
42	Correct	62 ms	135504 KB	Output is correct
43	Correct	65 ms	135508 KB	Output is correct
44	Correct	73 ms	135684 KB	Output is correct
45	Correct	63 ms	135532 KB	Output is correct
46	Correct	63 ms	135508 KB	Output is correct
47	Correct	63 ms	135508 KB	Output is correct
48	Correct	64 ms	135504 KB	Output is correct
49	Correct	67 ms	135432 KB	Output is correct
50	Correct	66 ms	135508 KB	Output is correct
51	Correct	73 ms	135464 KB	Output is correct
52	Correct	65 ms	135504 KB	Output is correct

Subtask #6

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	76 ms	135504 KB	Output is correct
2	Correct	64 ms	135448 KB	Output is correct
3	Correct	71 ms	135504 KB	Output is correct
4	Correct	65 ms	135504 KB	Output is correct
5	Correct	69 ms	135508 KB	Output is correct
6	Correct	63 ms	135508 KB	Output is correct
7	Correct	65 ms	135604 KB	Output is correct
8	Correct	63 ms	135504 KB	Output is correct
9	Correct	68 ms	135556 KB	Output is correct
10	Correct	66 ms	135504 KB	Output is correct
11	Correct	68 ms	135508 KB	Output is correct
12	Correct	66 ms	135508 KB	Output is correct
13	Correct	62 ms	135412 KB	Output is correct
14	Correct	71 ms	135504 KB	Output is correct
15	Correct	65 ms	135764 KB	Output is correct
16	Correct	69 ms	135508 KB	Output is correct
17	Correct	62 ms	135536 KB	Output is correct
18	Correct	62 ms	135504 KB	Output is correct
19	Correct	63 ms	135516 KB	Output is correct
20	Correct	64 ms	135508 KB	Output is correct
21	Correct	66 ms	135600 KB	Output is correct
22	Correct	67 ms	135508 KB	Output is correct
23	Correct	68 ms	135532 KB	Output is correct
24	Correct	68 ms	135508 KB	Output is correct
25	Correct	63 ms	135508 KB	Output is correct
26	Correct	68 ms	135724 KB	Output is correct
27	Correct	63 ms	135612 KB	Output is correct
28	Correct	70 ms	135512 KB	Output is correct
29	Correct	64 ms	135504 KB	Output is correct
30	Correct	63 ms	135484 KB	Output is correct
31	Correct	63 ms	135504 KB	Output is correct
32	Correct	77 ms	135536 KB	Output is correct
33	Correct	66 ms	135508 KB	Output is correct
34	Correct	63 ms	135468 KB	Output is correct
35	Correct	63 ms	135508 KB	Output is correct
36	Correct	63 ms	135640 KB	Output is correct
37	Correct	63 ms	135504 KB	Output is correct
38	Correct	70 ms	135580 KB	Output is correct
39	Correct	70 ms	135500 KB	Output is correct
40	Correct	68 ms	135508 KB	Output is correct
41	Correct	63 ms	135528 KB	Output is correct
42	Correct	69 ms	135504 KB	Output is correct
43	Correct	70 ms	135504 KB	Output is correct
44	Correct	64 ms	135612 KB	Output is correct
45	Correct	65 ms	135504 KB	Output is correct
46	Correct	63 ms	135500 KB	Output is correct
47	Correct	66 ms	135508 KB	Output is correct
48	Correct	75 ms	135508 KB	Output is correct
49	Correct	64 ms	135540 KB	Output is correct
50	Correct	66 ms	135496 KB	Output is correct
51	Correct	66 ms	135504 KB	Output is correct
52	Correct	66 ms	135504 KB	Output is correct
53	Correct	76 ms	135664 KB	Output is correct
54	Correct	72 ms	135736 KB	Output is correct
55	Correct	79 ms	135740 KB	Output is correct
56	Correct	92 ms	137992 KB	Output is correct
57	Correct	83 ms	138016 KB	Output is correct
58	Correct	86 ms	138280 KB	Output is correct
59	Correct	91 ms	137988 KB	Output is correct
60	Correct	94 ms	139512 KB	Output is correct
61	Correct	85 ms	139088 KB	Output is correct
62	Correct	96 ms	139192 KB	Output is correct
63	Correct	88 ms	139152 KB	Output is correct
64	Correct	89 ms	139128 KB	Output is correct
65	Correct	89 ms	139340 KB	Output is correct
66	Correct	88 ms	139312 KB	Output is correct
67	Correct	105 ms	139092 KB	Output is correct
68	Correct	90 ms	139252 KB	Output is correct
69	Correct	62 ms	135516 KB	Output is correct
70	Correct	63 ms	135620 KB	Output is correct
71	Correct	89 ms	139284 KB	Output is correct
72	Correct	99 ms	139144 KB	Output is correct
73	Correct	98 ms	139128 KB	Output is correct
74	Correct	65 ms	135616 KB	Output is correct
75	Correct	78 ms	135860 KB	Output is correct
76	Correct	64 ms	135508 KB	Output is correct
77	Correct	65 ms	135504 KB	Output is correct
78	Correct	119 ms	137040 KB	Output is correct
79	Correct	96 ms	138324 KB	Output is correct
80	Correct	116 ms	138484 KB	Output is correct
81	Correct	85 ms	139124 KB	Output is correct
82	Correct	115 ms	138488 KB	Output is correct
83	Correct	125 ms	138368 KB	Output is correct
84	Correct	69 ms	135508 KB	Output is correct
85	Correct	65 ms	135504 KB	Output is correct
86	Correct	68 ms	135596 KB	Output is correct
87	Correct	63 ms	135508 KB	Output is correct
88	Correct	72 ms	135764 KB	Output is correct
89	Correct	62 ms	135504 KB	Output is correct
90	Correct	65 ms	135508 KB	Output is correct
91	Correct	73 ms	135684 KB	Output is correct
92	Correct	63 ms	135532 KB	Output is correct
93	Correct	63 ms	135508 KB	Output is correct
94	Correct	63 ms	135508 KB	Output is correct
95	Correct	64 ms	135504 KB	Output is correct
96	Correct	67 ms	135432 KB	Output is correct
97	Correct	66 ms	135508 KB	Output is correct
98	Correct	73 ms	135464 KB	Output is correct
99	Correct	65 ms	135504 KB	Output is correct
100	Correct	63 ms	135504 KB	Output is correct
101	Correct	66 ms	135768 KB	Output is correct
102	Correct	66 ms	135832 KB	Output is correct
103	Correct	123 ms	138492 KB	Output is correct
104	Correct	126 ms	138524 KB	Output is correct
105	Correct	126 ms	138484 KB	Output is correct
106	Correct	116 ms	138492 KB	Output is correct
107	Correct	98 ms	138644 KB	Output is correct
108	Correct	105 ms	138492 KB	Output is correct
109	Correct	97 ms	139132 KB	Output is correct
110	Correct	89 ms	139128 KB	Output is correct
111	Correct	130 ms	138484 KB	Output is correct
112	Correct	139 ms	138668 KB	Output is correct
113	Correct	99 ms	138316 KB	Output is correct
114	Correct	121 ms	138548 KB	Output is correct
115	Correct	114 ms	138324 KB	Output is correct