답안 #377013

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
377013	2021-03-12T18:03:48 Z	sliviu	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	335 ms	274156 KB

shoes

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

ll count_swaps(vector<int> v) {
	int n = v.size();
	ll ans = 0;
	vector<int> bit(n + 1);
	vector<queue<int>> Q(2 * n + 1);
	for (int i = 0; i < n; ++i)
		Q[n + v[i]].emplace(i + 1);
	auto update = [&](int pos, int val) {
		while (pos <= n) {
			bit[pos] += val;
			pos += pos & -pos;
		}
	};
	auto query = [&](int pos) {
		int ans = 0;
		while (pos) {
			ans += bit[pos];
			pos -= pos & -pos;
		}
		return ans;
	};
	for (int i = 1, j = 1; i <= n; ++i) {
		int cur = v[i - 1], cmp = -cur;
		if (!cur)
			continue;
		int top = Q[n + cmp].front();
		Q[n + cmp].pop(), Q[n + cur].pop();
		ans += (cur > 0) + top - j - 1 + query(top);
		update(i + 1, 1);
		update(top + 1, -1);
		v[top - 1] = 0, j += 2;
	}
	return ans;
}

Subtask #1
10.0 / 10.0

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

Subtask #2
20.0 / 20.0

#	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	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 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	364 KB	Output is correct
13	Correct	1 ms	504 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	512 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	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 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	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct

Subtask #3
20.0 / 20.0

#	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	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	3 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	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	620 KB	Output is correct
17	Correct	1 ms	1132 KB	Output is correct
18	Correct	2 ms	3052 KB	Output is correct
19	Correct	4 ms	3052 KB	Output is correct
20	Correct	33 ms	27628 KB	Output is correct
21	Correct	32 ms	27628 KB	Output is correct
22	Correct	216 ms	274148 KB	Output is correct
23	Correct	242 ms	274156 KB	Output is correct
24	Correct	234 ms	274028 KB	Output is correct
25	Correct	332 ms	273900 KB	Output is correct
26	Correct	222 ms	274028 KB	Output is correct
27	Correct	332 ms	273900 KB	Output is correct
28	Correct	219 ms	274028 KB	Output is correct
29	Correct	335 ms	274028 KB	Output is correct
30	Correct	234 ms	274028 KB	Output is correct
31	Correct	260 ms	274156 KB	Output is correct
32	Correct	220 ms	274028 KB	Output is correct
33	Correct	272 ms	273900 KB	Output is correct
34	Correct	233 ms	274016 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	293 ms	274028 KB	Output is correct
38	Correct	230 ms	274156 KB	Output is correct
39	Correct	231 ms	274028 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	1 ms	364 KB	Output is correct
5	Correct	265 ms	273260 KB	Output is correct
6	Correct	243 ms	273260 KB	Output is correct
7	Correct	268 ms	273260 KB	Output is correct
8	Correct	232 ms	274028 KB	Output is correct
9	Correct	267 ms	273132 KB	Output is correct
10	Correct	259 ms	273132 KB	Output is correct

Subtask #5
20.0 / 20.0

#	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	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 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	364 KB	Output is correct
13	Correct	1 ms	504 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	512 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	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 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	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	620 KB	Output is correct
40	Correct	1 ms	1132 KB	Output is correct
41	Correct	3 ms	3052 KB	Output is correct
42	Correct	3 ms	3052 KB	Output is correct
43	Correct	3 ms	3052 KB	Output is correct
44	Correct	3 ms	3052 KB	Output is correct
45	Correct	3 ms	3052 KB	Output is correct
46	Correct	3 ms	3068 KB	Output is correct
47	Correct	3 ms	3052 KB	Output is correct
48	Correct	4 ms	3052 KB	Output is correct
49	Correct	3 ms	3180 KB	Output is correct
50	Correct	3 ms	3052 KB	Output is correct
51	Correct	3 ms	3052 KB	Output is correct
52	Correct	3 ms	3052 KB	Output is correct

Subtask #6
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	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 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	364 KB	Output is correct
13	Correct	1 ms	504 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	512 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	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 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	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 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	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	3 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	1 ms	364 KB	Output is correct
50	Correct	1 ms	620 KB	Output is correct
51	Correct	1 ms	1132 KB	Output is correct
52	Correct	2 ms	3052 KB	Output is correct
53	Correct	4 ms	3052 KB	Output is correct
54	Correct	33 ms	27628 KB	Output is correct
55	Correct	32 ms	27628 KB	Output is correct
56	Correct	216 ms	274148 KB	Output is correct
57	Correct	242 ms	274156 KB	Output is correct
58	Correct	234 ms	274028 KB	Output is correct
59	Correct	332 ms	273900 KB	Output is correct
60	Correct	222 ms	274028 KB	Output is correct
61	Correct	332 ms	273900 KB	Output is correct
62	Correct	219 ms	274028 KB	Output is correct
63	Correct	335 ms	274028 KB	Output is correct
64	Correct	234 ms	274028 KB	Output is correct
65	Correct	260 ms	274156 KB	Output is correct
66	Correct	220 ms	274028 KB	Output is correct
67	Correct	272 ms	273900 KB	Output is correct
68	Correct	233 ms	274016 KB	Output is correct
69	Correct	1 ms	364 KB	Output is correct
70	Correct	1 ms	364 KB	Output is correct
71	Correct	293 ms	274028 KB	Output is correct
72	Correct	230 ms	274156 KB	Output is correct
73	Correct	231 ms	274028 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	1 ms	364 KB	Output is correct
78	Correct	265 ms	273260 KB	Output is correct
79	Correct	243 ms	273260 KB	Output is correct
80	Correct	268 ms	273260 KB	Output is correct
81	Correct	232 ms	274028 KB	Output is correct
82	Correct	267 ms	273132 KB	Output is correct
83	Correct	259 ms	273132 KB	Output is correct
84	Correct	1 ms	364 KB	Output is correct
85	Correct	1 ms	364 KB	Output is correct
86	Correct	1 ms	620 KB	Output is correct
87	Correct	1 ms	1132 KB	Output is correct
88	Correct	3 ms	3052 KB	Output is correct
89	Correct	3 ms	3052 KB	Output is correct
90	Correct	3 ms	3052 KB	Output is correct
91	Correct	3 ms	3052 KB	Output is correct
92	Correct	3 ms	3052 KB	Output is correct
93	Correct	3 ms	3068 KB	Output is correct
94	Correct	3 ms	3052 KB	Output is correct
95	Correct	4 ms	3052 KB	Output is correct
96	Correct	3 ms	3180 KB	Output is correct
97	Correct	3 ms	3052 KB	Output is correct
98	Correct	3 ms	3052 KB	Output is correct
99	Correct	3 ms	3052 KB	Output is correct
100	Correct	3 ms	3052 KB	Output is correct
101	Correct	27 ms	27628 KB	Output is correct
102	Correct	31 ms	27628 KB	Output is correct
103	Correct	277 ms	273132 KB	Output is correct
104	Correct	268 ms	273132 KB	Output is correct
105	Correct	294 ms	273260 KB	Output is correct
106	Correct	265 ms	273132 KB	Output is correct
107	Correct	253 ms	273536 KB	Output is correct
108	Correct	262 ms	273260 KB	Output is correct
109	Correct	229 ms	274028 KB	Output is correct
110	Correct	227 ms	274028 KB	Output is correct
111	Correct	267 ms	273132 KB	Output is correct
112	Correct	270 ms	273132 KB	Output is correct
113	Correct	258 ms	273260 KB	Output is correct
114	Correct	262 ms	273132 KB	Output is correct
115	Correct	300 ms	273260 KB	Output is correct

답안 #377013

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