Submission #526538

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
526538	2022-02-15T06:55:07 Z	ITO	Arranging Shoes (IOI19_shoes)	C++17	70 / 100	198 ms	277684 KB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n, va[200000];
vector<int> v;
pair<queue<int>, queue<int>> pa[100000];
ll eat(int l, int r) {
	if (l + 1 == r) return 0;
	int mi = (l + r) / 2, i = l, j = mi, k = l;
	ll an = eat(l, mi) + eat(mi, r);
	while (i < mi && j < r) {
		if (v[i] < v[j]) {
			va[k++] = v[i++];
		} else {
			va[k++] = v[j++];
			an = an + mi - i;
		}
	}
	while (i < mi) va[k++] = v[i++];
	while (j < r) va[k++] = v[j++];
	for (int ii = l; ii < r; ii++) v[ii] = va[ii];
	return an;
}
ll count_swaps(std::vector<int> s) {
	n = s.size();
	for (int i = 0; i < n; i++) {
		if (s[i] < 0) {
			pa[-s[i]].first.push(i);
		} else {
			pa[s[i]].second.push(i);
		}
	}
	for (int i = 0; i < n; i++) {
		if (s[i] < 0) {
			v.push_back(i);
			v.push_back(pa[-s[i]].second.front());
			s[pa[-s[i]].second.front()] = 0;
			pa[-s[i]].first.pop();
			pa[-s[i]].second.pop();
		} else if (s[i] > 0) {
			v.push_back(pa[s[i]].first.front());
			v.push_back(i);
			s[pa[s[i]].first.front()] = 0;
			pa[s[i]].first.pop();
			pa[s[i]].second.pop();
		}
	}
	return eat(0, n);
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	75 ms	134840 KB	Output is correct
2	Correct	79 ms	134800 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	75 ms	134840 KB	Output is correct
2	Correct	79 ms	134800 KB	Output is correct
3	Correct	74 ms	134892 KB	Output is correct
4	Correct	76 ms	134912 KB	Output is correct
5	Correct	79 ms	134804 KB	Output is correct
6	Correct	79 ms	134872 KB	Output is correct
7	Correct	79 ms	134852 KB	Output is correct
8	Correct	78 ms	134800 KB	Output is correct
9	Correct	80 ms	134856 KB	Output is correct
10	Correct	80 ms	134884 KB	Output is correct
11	Correct	82 ms	134984 KB	Output is correct
12	Correct	78 ms	134820 KB	Output is correct
13	Correct	77 ms	134836 KB	Output is correct
14	Correct	79 ms	134860 KB	Output is correct
15	Correct	78 ms	134920 KB	Output is correct
16	Correct	79 ms	134880 KB	Output is correct
17	Correct	87 ms	135100 KB	Output is correct
18	Correct	79 ms	134824 KB	Output is correct
19	Correct	78 ms	134908 KB	Output is correct
20	Correct	79 ms	134900 KB	Output is correct
21	Correct	80 ms	134848 KB	Output is correct
22	Correct	79 ms	134828 KB	Output is correct
23	Correct	78 ms	134884 KB	Output is correct
24	Correct	79 ms	134852 KB	Output is correct
25	Correct	78 ms	134852 KB	Output is correct
26	Correct	79 ms	134876 KB	Output is correct
27	Correct	79 ms	134852 KB	Output is correct
28	Correct	80 ms	134908 KB	Output is correct
29	Correct	79 ms	134852 KB	Output is correct
30	Correct	85 ms	134852 KB	Output is correct
31	Correct	77 ms	134916 KB	Output is correct
32	Correct	78 ms	134912 KB	Output is correct
33	Correct	76 ms	134852 KB	Output is correct
34	Correct	82 ms	134868 KB	Output is correct
35	Correct	78 ms	134928 KB	Output is correct
36	Correct	80 ms	134872 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	75 ms	134840 KB	Output is correct
2	Correct	79 ms	134800 KB	Output is correct
3	Correct	79 ms	134860 KB	Output is correct
4	Correct	78 ms	134824 KB	Output is correct
5	Correct	81 ms	134852 KB	Output is correct
6	Correct	75 ms	134884 KB	Output is correct
7	Correct	79 ms	134892 KB	Output is correct
8	Correct	78 ms	134832 KB	Output is correct
9	Correct	79 ms	134852 KB	Output is correct
10	Correct	81 ms	134828 KB	Output is correct
11	Correct	82 ms	134924 KB	Output is correct
12	Correct	76 ms	134816 KB	Output is correct
13	Correct	77 ms	134884 KB	Output is correct
14	Correct	78 ms	134852 KB	Output is correct
15	Correct	78 ms	134852 KB	Output is correct
16	Correct	79 ms	134892 KB	Output is correct
17	Correct	93 ms	134988 KB	Output is correct
18	Correct	87 ms	134852 KB	Output is correct
19	Correct	87 ms	134880 KB	Output is correct
20	Correct	82 ms	135432 KB	Output is correct
21	Correct	81 ms	135456 KB	Output is correct
22	Correct	116 ms	138940 KB	Output is correct
23	Correct	114 ms	140236 KB	Output is correct
24	Correct	116 ms	140268 KB	Output is correct
25	Correct	116 ms	140092 KB	Output is correct
26	Correct	122 ms	140176 KB	Output is correct
27	Correct	115 ms	140076 KB	Output is correct
28	Correct	113 ms	140220 KB	Output is correct
29	Correct	109 ms	140172 KB	Output is correct
30	Correct	112 ms	140272 KB	Output is correct
31	Correct	113 ms	140288 KB	Output is correct
32	Correct	112 ms	140252 KB	Output is correct
33	Correct	115 ms	140028 KB	Output is correct
34	Correct	114 ms	140216 KB	Output is correct
35	Correct	80 ms	134816 KB	Output is correct
36	Correct	79 ms	134928 KB	Output is correct
37	Correct	111 ms	140280 KB	Output is correct
38	Correct	114 ms	140220 KB	Output is correct
39	Correct	113 ms	140172 KB	Output is correct

Subtask #4

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	84 ms	134876 KB	Output is correct
2	Correct	79 ms	134868 KB	Output is correct
3	Correct	78 ms	134888 KB	Output is correct
4	Correct	79 ms	134904 KB	Output is correct
5	Correct	143 ms	138176 KB	Output is correct
6	Correct	120 ms	139328 KB	Output is correct
7	Correct	148 ms	139348 KB	Output is correct
8	Correct	114 ms	140208 KB	Output is correct
9	Runtime error	198 ms	277684 KB	Execution killed with signal 11
10	Halted	0 ms	0 KB	-

Subtask #5

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	75 ms	134840 KB	Output is correct
2	Correct	79 ms	134800 KB	Output is correct
3	Correct	74 ms	134892 KB	Output is correct
4	Correct	76 ms	134912 KB	Output is correct
5	Correct	79 ms	134804 KB	Output is correct
6	Correct	79 ms	134872 KB	Output is correct
7	Correct	79 ms	134852 KB	Output is correct
8	Correct	78 ms	134800 KB	Output is correct
9	Correct	80 ms	134856 KB	Output is correct
10	Correct	80 ms	134884 KB	Output is correct
11	Correct	82 ms	134984 KB	Output is correct
12	Correct	78 ms	134820 KB	Output is correct
13	Correct	77 ms	134836 KB	Output is correct
14	Correct	79 ms	134860 KB	Output is correct
15	Correct	78 ms	134920 KB	Output is correct
16	Correct	79 ms	134880 KB	Output is correct
17	Correct	87 ms	135100 KB	Output is correct
18	Correct	79 ms	134824 KB	Output is correct
19	Correct	78 ms	134908 KB	Output is correct
20	Correct	79 ms	134900 KB	Output is correct
21	Correct	80 ms	134848 KB	Output is correct
22	Correct	79 ms	134828 KB	Output is correct
23	Correct	78 ms	134884 KB	Output is correct
24	Correct	79 ms	134852 KB	Output is correct
25	Correct	78 ms	134852 KB	Output is correct
26	Correct	79 ms	134876 KB	Output is correct
27	Correct	79 ms	134852 KB	Output is correct
28	Correct	80 ms	134908 KB	Output is correct
29	Correct	79 ms	134852 KB	Output is correct
30	Correct	85 ms	134852 KB	Output is correct
31	Correct	77 ms	134916 KB	Output is correct
32	Correct	78 ms	134912 KB	Output is correct
33	Correct	76 ms	134852 KB	Output is correct
34	Correct	82 ms	134868 KB	Output is correct
35	Correct	78 ms	134928 KB	Output is correct
36	Correct	80 ms	134872 KB	Output is correct
37	Correct	82 ms	134824 KB	Output is correct
38	Correct	81 ms	134852 KB	Output is correct
39	Correct	82 ms	134852 KB	Output is correct
40	Correct	84 ms	134860 KB	Output is correct
41	Correct	85 ms	134852 KB	Output is correct
42	Correct	88 ms	134852 KB	Output is correct
43	Correct	86 ms	134952 KB	Output is correct
44	Correct	89 ms	134864 KB	Output is correct
45	Correct	86 ms	134952 KB	Output is correct
46	Correct	92 ms	134932 KB	Output is correct
47	Correct	88 ms	134976 KB	Output is correct
48	Correct	86 ms	134864 KB	Output is correct
49	Correct	87 ms	134924 KB	Output is correct
50	Correct	87 ms	134896 KB	Output is correct
51	Correct	90 ms	134996 KB	Output is correct
52	Correct	86 ms	134856 KB	Output is correct

Subtask #6

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	75 ms	134840 KB	Output is correct
2	Correct	79 ms	134800 KB	Output is correct
3	Correct	74 ms	134892 KB	Output is correct
4	Correct	76 ms	134912 KB	Output is correct
5	Correct	79 ms	134804 KB	Output is correct
6	Correct	79 ms	134872 KB	Output is correct
7	Correct	79 ms	134852 KB	Output is correct
8	Correct	78 ms	134800 KB	Output is correct
9	Correct	80 ms	134856 KB	Output is correct
10	Correct	80 ms	134884 KB	Output is correct
11	Correct	82 ms	134984 KB	Output is correct
12	Correct	78 ms	134820 KB	Output is correct
13	Correct	77 ms	134836 KB	Output is correct
14	Correct	79 ms	134860 KB	Output is correct
15	Correct	78 ms	134920 KB	Output is correct
16	Correct	79 ms	134880 KB	Output is correct
17	Correct	87 ms	135100 KB	Output is correct
18	Correct	79 ms	134824 KB	Output is correct
19	Correct	78 ms	134908 KB	Output is correct
20	Correct	79 ms	134900 KB	Output is correct
21	Correct	80 ms	134848 KB	Output is correct
22	Correct	79 ms	134828 KB	Output is correct
23	Correct	78 ms	134884 KB	Output is correct
24	Correct	79 ms	134852 KB	Output is correct
25	Correct	78 ms	134852 KB	Output is correct
26	Correct	79 ms	134876 KB	Output is correct
27	Correct	79 ms	134852 KB	Output is correct
28	Correct	80 ms	134908 KB	Output is correct
29	Correct	79 ms	134852 KB	Output is correct
30	Correct	85 ms	134852 KB	Output is correct
31	Correct	77 ms	134916 KB	Output is correct
32	Correct	78 ms	134912 KB	Output is correct
33	Correct	76 ms	134852 KB	Output is correct
34	Correct	82 ms	134868 KB	Output is correct
35	Correct	78 ms	134928 KB	Output is correct
36	Correct	80 ms	134872 KB	Output is correct
37	Correct	79 ms	134860 KB	Output is correct
38	Correct	78 ms	134824 KB	Output is correct
39	Correct	81 ms	134852 KB	Output is correct
40	Correct	75 ms	134884 KB	Output is correct
41	Correct	79 ms	134892 KB	Output is correct
42	Correct	78 ms	134832 KB	Output is correct
43	Correct	79 ms	134852 KB	Output is correct
44	Correct	81 ms	134828 KB	Output is correct
45	Correct	82 ms	134924 KB	Output is correct
46	Correct	76 ms	134816 KB	Output is correct
47	Correct	77 ms	134884 KB	Output is correct
48	Correct	78 ms	134852 KB	Output is correct
49	Correct	78 ms	134852 KB	Output is correct
50	Correct	79 ms	134892 KB	Output is correct
51	Correct	93 ms	134988 KB	Output is correct
52	Correct	87 ms	134852 KB	Output is correct
53	Correct	87 ms	134880 KB	Output is correct
54	Correct	82 ms	135432 KB	Output is correct
55	Correct	81 ms	135456 KB	Output is correct
56	Correct	116 ms	138940 KB	Output is correct
57	Correct	114 ms	140236 KB	Output is correct
58	Correct	116 ms	140268 KB	Output is correct
59	Correct	116 ms	140092 KB	Output is correct
60	Correct	122 ms	140176 KB	Output is correct
61	Correct	115 ms	140076 KB	Output is correct
62	Correct	113 ms	140220 KB	Output is correct
63	Correct	109 ms	140172 KB	Output is correct
64	Correct	112 ms	140272 KB	Output is correct
65	Correct	113 ms	140288 KB	Output is correct
66	Correct	112 ms	140252 KB	Output is correct
67	Correct	115 ms	140028 KB	Output is correct
68	Correct	114 ms	140216 KB	Output is correct
69	Correct	80 ms	134816 KB	Output is correct
70	Correct	79 ms	134928 KB	Output is correct
71	Correct	111 ms	140280 KB	Output is correct
72	Correct	114 ms	140220 KB	Output is correct
73	Correct	113 ms	140172 KB	Output is correct
74	Correct	84 ms	134876 KB	Output is correct
75	Correct	79 ms	134868 KB	Output is correct
76	Correct	78 ms	134888 KB	Output is correct
77	Correct	79 ms	134904 KB	Output is correct
78	Correct	143 ms	138176 KB	Output is correct
79	Correct	120 ms	139328 KB	Output is correct
80	Correct	148 ms	139348 KB	Output is correct
81	Correct	114 ms	140208 KB	Output is correct
82	Runtime error	198 ms	277684 KB	Execution killed with signal 11
83	Halted	0 ms	0 KB	-