답안 #528767

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
528767	2022-02-21T11:06:14 Z	ahmeteren	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	301 ms	32952 KB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
const int N = 2e5 + 5;

ll bit[N];

void update(int ind, int val)
{
	for(; ind < N; ind = (ind | (ind + 1)))
		bit[ind] += val;
}

ll query(int ind)
{
	ll res = 0;

	for(; ind >= 0; ind = (ind & (ind + 1)) - 1)
		res += bit[ind];

	return res;
}

long long count_swaps(std::vector<int> s)
{
	int n = s.size();
	map<int, set<int>> mp;
	vector<bool> vec(n);

	for(int i = 0; i < n; i++)
	{
		mp[s[i]].insert(i);
	}

	for(int i = 0; i < n; i++)
		update(i, 1);

	ll ans = 0;

	for(int i = 0; i < n; i++)
	{
		if(vec[i])
			continue;
		ans += (s[i] > 0);

		auto it = mp[-s[i]].lower_bound(i);
		int j = *it;
		mp[-s[i]].erase(it);

		vec[i] = vec[j] = true;
		update(i, -1);
		update(j, -1);

		ans += query(j) - query(i);
	}

	return ans;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 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	0 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	0 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	352 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	0 ms	332 KB	Output is correct
23	Correct	0 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	0 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	0 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	1 ms	332 KB	Output is correct
33	Correct	0 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	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 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	0 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	0 ms	332 KB	Output is correct
12	Correct	0 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	0 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	6 ms	1484 KB	Output is correct
21	Correct	9 ms	1484 KB	Output is correct
22	Correct	73 ms	12832 KB	Output is correct
23	Correct	83 ms	13860 KB	Output is correct
24	Correct	69 ms	13896 KB	Output is correct
25	Correct	73 ms	13860 KB	Output is correct
26	Correct	71 ms	13876 KB	Output is correct
27	Correct	77 ms	13864 KB	Output is correct
28	Correct	78 ms	13988 KB	Output is correct
29	Correct	85 ms	13988 KB	Output is correct
30	Correct	73 ms	13908 KB	Output is correct
31	Correct	66 ms	13864 KB	Output is correct
32	Correct	81 ms	13884 KB	Output is correct
33	Correct	74 ms	13848 KB	Output is correct
34	Correct	76 ms	13868 KB	Output is correct
35	Correct	1 ms	304 KB	Output is correct
36	Correct	1 ms	296 KB	Output is correct
37	Correct	79 ms	13984 KB	Output is correct
38	Correct	71 ms	13872 KB	Output is correct
39	Correct	73 ms	14096 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	223 ms	31548 KB	Output is correct
6	Correct	127 ms	15592 KB	Output is correct
7	Correct	213 ms	32720 KB	Output is correct
8	Correct	64 ms	13896 KB	Output is correct
9	Correct	249 ms	32768 KB	Output is correct
10	Correct	188 ms	23344 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 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	0 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	0 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	352 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	0 ms	332 KB	Output is correct
23	Correct	0 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	0 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	0 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	1 ms	332 KB	Output is correct
33	Correct	0 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	0 ms	332 KB	Output is correct
38	Correct	0 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	588 KB	Output is correct
42	Correct	1 ms	588 KB	Output is correct
43	Correct	2 ms	588 KB	Output is correct
44	Correct	1 ms	460 KB	Output is correct
45	Correct	1 ms	460 KB	Output is correct
46	Correct	1 ms	460 KB	Output is correct
47	Correct	1 ms	460 KB	Output is correct
48	Correct	1 ms	460 KB	Output is correct
49	Correct	1 ms	460 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	588 KB	Output is correct

Subtask #6
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 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	0 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	0 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	352 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	0 ms	332 KB	Output is correct
22	Correct	0 ms	332 KB	Output is correct
23	Correct	0 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	0 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	0 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	1 ms	332 KB	Output is correct
33	Correct	0 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	0 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	0 ms	332 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	0 ms	332 KB	Output is correct
46	Correct	0 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	0 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	1 ms	332 KB	Output is correct
54	Correct	6 ms	1484 KB	Output is correct
55	Correct	9 ms	1484 KB	Output is correct
56	Correct	73 ms	12832 KB	Output is correct
57	Correct	83 ms	13860 KB	Output is correct
58	Correct	69 ms	13896 KB	Output is correct
59	Correct	73 ms	13860 KB	Output is correct
60	Correct	71 ms	13876 KB	Output is correct
61	Correct	77 ms	13864 KB	Output is correct
62	Correct	78 ms	13988 KB	Output is correct
63	Correct	85 ms	13988 KB	Output is correct
64	Correct	73 ms	13908 KB	Output is correct
65	Correct	66 ms	13864 KB	Output is correct
66	Correct	81 ms	13884 KB	Output is correct
67	Correct	74 ms	13848 KB	Output is correct
68	Correct	76 ms	13868 KB	Output is correct
69	Correct	1 ms	304 KB	Output is correct
70	Correct	1 ms	296 KB	Output is correct
71	Correct	79 ms	13984 KB	Output is correct
72	Correct	71 ms	13872 KB	Output is correct
73	Correct	73 ms	14096 KB	Output is correct
74	Correct	0 ms	332 KB	Output is correct
75	Correct	0 ms	332 KB	Output is correct
76	Correct	0 ms	332 KB	Output is correct
77	Correct	0 ms	332 KB	Output is correct
78	Correct	223 ms	31548 KB	Output is correct
79	Correct	127 ms	15592 KB	Output is correct
80	Correct	213 ms	32720 KB	Output is correct
81	Correct	64 ms	13896 KB	Output is correct
82	Correct	249 ms	32768 KB	Output is correct
83	Correct	188 ms	23344 KB	Output is correct
84	Correct	0 ms	332 KB	Output is correct
85	Correct	0 ms	332 KB	Output is correct
86	Correct	1 ms	332 KB	Output is correct
87	Correct	1 ms	332 KB	Output is correct
88	Correct	1 ms	588 KB	Output is correct
89	Correct	1 ms	588 KB	Output is correct
90	Correct	2 ms	588 KB	Output is correct
91	Correct	1 ms	460 KB	Output is correct
92	Correct	1 ms	460 KB	Output is correct
93	Correct	1 ms	460 KB	Output is correct
94	Correct	1 ms	460 KB	Output is correct
95	Correct	1 ms	460 KB	Output is correct
96	Correct	1 ms	460 KB	Output is correct
97	Correct	1 ms	332 KB	Output is correct
98	Correct	1 ms	332 KB	Output is correct
99	Correct	1 ms	588 KB	Output is correct
100	Correct	2 ms	588 KB	Output is correct
101	Correct	13 ms	3308 KB	Output is correct
102	Correct	11 ms	2020 KB	Output is correct
103	Correct	301 ms	32952 KB	Output is correct
104	Correct	227 ms	32820 KB	Output is correct
105	Correct	253 ms	24760 KB	Output is correct
106	Correct	224 ms	32816 KB	Output is correct
107	Correct	155 ms	16152 KB	Output is correct
108	Correct	160 ms	18216 KB	Output is correct
109	Correct	60 ms	14000 KB	Output is correct
110	Correct	70 ms	13992 KB	Output is correct
111	Correct	208 ms	30664 KB	Output is correct
112	Correct	269 ms	28680 KB	Output is correct
113	Correct	127 ms	16296 KB	Output is correct
114	Correct	212 ms	32860 KB	Output is correct
115	Correct	206 ms	32836 KB	Output is correct

답안 #528767

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