답안 #618713

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
618713	2022-08-02T06:54:22 Z	pirhosig	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	691 ms	155012 KB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
#define ii pair<int, int>
#define ll long long
using namespace std;



struct segTree
{
	vector<int> nodes;
	vector<int> lazy;

	segTree(int s) : nodes(s * 4) {}

	void update(int n, int tl, int tr, int l, int r, int val) {
		if (l <= tl && tr <= r) {
			nodes[n] += val;
			return;
		}
		int tm = (tl + tr) / 2;
		if (l <= tm) update(n * 2, tl, tm, l, r, val);
		if (tm + 1 <= r) update(n * 2 + 1, tm + 1, tr, l, r, val);
	}

	int query(int n, int tl, int tr, int pos) {
		int res = nodes[n];
		if (tl == tr) return res;
		int tm = (tl + tr) / 2;
		if (pos <= tm) res += query(n * 2, tl, tm, pos);
		else res += query(n * 2 + 1, tm + 1, tr, pos);
		return res;
	}
};



ll count_swaps(vector<int> s) {
	int DN = s.size();
	segTree tree(DN);

	for (int i = 1; i <= DN; ++i) {
		tree.update(1, 1, DN, i, i, i);
	}

	ll tot = 0;

	set<ii> ops;
	map<int, queue<int>> pq;
	for (int i = 0; i < DN; ++i) {
		int a = s[i];
		if (pq[-a].size()) {
			int b = pq[-a].front();
			pq[-a].pop();
			ops.insert({b, i});
			if (a < 0) tot++;

			// cerr << "P " << b << " " << i << endl;
		}
		else pq[a].push(i);
	}

	for (auto a : ops) {
		int p1 = tree.query(1, 1, DN, a.first + 1);
		int p2 = tree.query(1, 1, DN, a.second + 1);
		tot += p2 - p1 - 1;
		tree.update(1, 1, DN, a.first + 1, DN, -1);
		tree.update(1, 1, DN, a.second + 1, DN, -1);
	}

	return tot;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct

Subtask #2
20.0 / 20.0

#	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	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	300 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	296 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	296 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	296 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 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	1 ms	212 KB	Output is correct
34	Correct	1 ms	304 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct

Subtask #3
20.0 / 20.0

#	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	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	0 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 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	1 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	1 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	2 ms	340 KB	Output is correct
20	Correct	9 ms	1236 KB	Output is correct
21	Correct	9 ms	1236 KB	Output is correct
22	Correct	115 ms	10956 KB	Output is correct
23	Correct	95 ms	10956 KB	Output is correct
24	Correct	96 ms	10872 KB	Output is correct
25	Correct	83 ms	10672 KB	Output is correct
26	Correct	100 ms	10964 KB	Output is correct
27	Correct	92 ms	10692 KB	Output is correct
28	Correct	106 ms	10976 KB	Output is correct
29	Correct	88 ms	10976 KB	Output is correct
30	Correct	88 ms	10892 KB	Output is correct
31	Correct	100 ms	10876 KB	Output is correct
32	Correct	89 ms	10956 KB	Output is correct
33	Correct	92 ms	10904 KB	Output is correct
34	Correct	89 ms	10868 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	87 ms	10880 KB	Output is correct
38	Correct	89 ms	10916 KB	Output is correct
39	Correct	86 ms	10964 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	0 ms	300 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	504 ms	155012 KB	Output is correct
6	Correct	176 ms	23600 KB	Output is correct
7	Correct	464 ms	154964 KB	Output is correct
8	Correct	89 ms	10984 KB	Output is correct
9	Correct	495 ms	154960 KB	Output is correct
10	Correct	355 ms	82944 KB	Output is correct

Subtask #5
20.0 / 20.0

#	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	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	300 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	296 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	296 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	296 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 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	1 ms	212 KB	Output is correct
34	Correct	1 ms	304 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 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	428 KB	Output is correct
40	Correct	1 ms	596 KB	Output is correct
41	Correct	3 ms	1748 KB	Output is correct
42	Correct	3 ms	1824 KB	Output is correct
43	Correct	2 ms	1620 KB	Output is correct
44	Correct	2 ms	1492 KB	Output is correct
45	Correct	2 ms	1236 KB	Output is correct
46	Correct	2 ms	1108 KB	Output is correct
47	Correct	2 ms	980 KB	Output is correct
48	Correct	2 ms	852 KB	Output is correct
49	Correct	2 ms	732 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	2 ms	1712 KB	Output is correct

Subtask #6
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	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	300 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	296 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	296 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	296 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 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	1 ms	212 KB	Output is correct
34	Correct	1 ms	304 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 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	0 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	0 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 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	1 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	2 ms	340 KB	Output is correct
54	Correct	9 ms	1236 KB	Output is correct
55	Correct	9 ms	1236 KB	Output is correct
56	Correct	115 ms	10956 KB	Output is correct
57	Correct	95 ms	10956 KB	Output is correct
58	Correct	96 ms	10872 KB	Output is correct
59	Correct	83 ms	10672 KB	Output is correct
60	Correct	100 ms	10964 KB	Output is correct
61	Correct	92 ms	10692 KB	Output is correct
62	Correct	106 ms	10976 KB	Output is correct
63	Correct	88 ms	10976 KB	Output is correct
64	Correct	88 ms	10892 KB	Output is correct
65	Correct	100 ms	10876 KB	Output is correct
66	Correct	89 ms	10956 KB	Output is correct
67	Correct	92 ms	10904 KB	Output is correct
68	Correct	89 ms	10868 KB	Output is correct
69	Correct	1 ms	212 KB	Output is correct
70	Correct	1 ms	212 KB	Output is correct
71	Correct	87 ms	10880 KB	Output is correct
72	Correct	89 ms	10916 KB	Output is correct
73	Correct	86 ms	10964 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	0 ms	300 KB	Output is correct
76	Correct	1 ms	212 KB	Output is correct
77	Correct	1 ms	212 KB	Output is correct
78	Correct	504 ms	155012 KB	Output is correct
79	Correct	176 ms	23600 KB	Output is correct
80	Correct	464 ms	154964 KB	Output is correct
81	Correct	89 ms	10984 KB	Output is correct
82	Correct	495 ms	154960 KB	Output is correct
83	Correct	355 ms	82944 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	428 KB	Output is correct
87	Correct	1 ms	596 KB	Output is correct
88	Correct	3 ms	1748 KB	Output is correct
89	Correct	3 ms	1824 KB	Output is correct
90	Correct	2 ms	1620 KB	Output is correct
91	Correct	2 ms	1492 KB	Output is correct
92	Correct	2 ms	1236 KB	Output is correct
93	Correct	2 ms	1108 KB	Output is correct
94	Correct	2 ms	980 KB	Output is correct
95	Correct	2 ms	852 KB	Output is correct
96	Correct	2 ms	732 KB	Output is correct
97	Correct	1 ms	340 KB	Output is correct
98	Correct	1 ms	340 KB	Output is correct
99	Correct	2 ms	1712 KB	Output is correct
100	Correct	3 ms	1748 KB	Output is correct
101	Correct	33 ms	14304 KB	Output is correct
102	Correct	17 ms	4140 KB	Output is correct
103	Correct	691 ms	154936 KB	Output is correct
104	Correct	464 ms	154972 KB	Output is correct
105	Correct	394 ms	92836 KB	Output is correct
106	Correct	505 ms	154960 KB	Output is correct
107	Correct	195 ms	26912 KB	Output is correct
108	Correct	264 ms	42828 KB	Output is correct
109	Correct	104 ms	10880 KB	Output is correct
110	Correct	88 ms	10892 KB	Output is correct
111	Correct	493 ms	138916 KB	Output is correct
112	Correct	525 ms	122924 KB	Output is correct
113	Correct	239 ms	28824 KB	Output is correct
114	Correct	526 ms	154856 KB	Output is correct
115	Correct	581 ms	154960 KB	Output is correct

답안 #618713

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