답안 #433207

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
433207	2021-06-19T08:16:52 Z	kostia244	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	479 ms	27076 KB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) begin(x), end(x)
long long count_swaps(std::vector<int> s) {
	ll res = 0;
	int n = s.size()/2;
	vector<ll> fen(2*n+1);
	auto add = [&](int x) {
		for(; x <= 2*n; x += x&-x) fen[x]++;
	};
	auto get = [&](int x) {
		int res = 0;
		add(x);
		for(; x; x -= x&-x)
			res += fen[x];
		return res;
	};
	vector<int> b(2*n);
	map<int, vector<int>> ass;
	for(int i = 0; i < 2*n; i++) ass[s[i]].push_back(i);
	for(auto &[a, b] : ass) reverse(all(b));

	vector<int> v(2*n, -69);
	for(int j = 0, i = 0; i < 2*n; i++) if(-69 == v[i]) {
		v[i] = ++j;
		v[ass[-s[i]].back()] = ++j;
		ass[s[i]].pop_back();
		ass[-s[i]].pop_back();
		res += s[i] > 0;
	}
	//for(auto &i : v) cout << i << " "; cout << endl;
	for(int i = 0; i < 2*n; i++) b[v[i]-1] = i+1;
	int cur = 0;
	for(auto i : b) {
		//cout << _ << " " << __ << " " << i << endl;
		//cout << i << " ";

		res += ++cur - get(i);
		//cout << i << " " << res << endl;
	}
	return res;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	4 ms	868 KB	Output is correct
21	Correct	4 ms	844 KB	Output is correct
22	Correct	38 ms	5844 KB	Output is correct
23	Correct	36 ms	5928 KB	Output is correct
24	Correct	40 ms	5916 KB	Output is correct
25	Correct	35 ms	5816 KB	Output is correct
26	Correct	40 ms	5944 KB	Output is correct
27	Correct	37 ms	6080 KB	Output is correct
28	Correct	36 ms	5800 KB	Output is correct
29	Correct	36 ms	5808 KB	Output is correct
30	Correct	37 ms	5900 KB	Output is correct
31	Correct	40 ms	5912 KB	Output is correct
32	Correct	37 ms	5828 KB	Output is correct
33	Correct	35 ms	5812 KB	Output is correct
34	Correct	36 ms	5816 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	37 ms	5800 KB	Output is correct
38	Correct	42 ms	5844 KB	Output is correct
39	Correct	36 ms	5808 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	468 ms	26832 KB	Output is correct
6	Correct	125 ms	7836 KB	Output is correct
7	Correct	381 ms	26924 KB	Output is correct
8	Correct	41 ms	5860 KB	Output is correct
9	Correct	381 ms	26996 KB	Output is correct
10	Correct	290 ms	15924 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	332 KB	Output is correct
41	Correct	2 ms	460 KB	Output is correct
42	Correct	2 ms	460 KB	Output is correct
43	Correct	2 ms	460 KB	Output is correct
44	Correct	2 ms	460 KB	Output is correct
45	Correct	2 ms	460 KB	Output is correct
46	Correct	2 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	1 ms	332 KB	Output is correct
51	Correct	1 ms	332 KB	Output is correct
52	Correct	2 ms	460 KB	Output is correct

Subtask #6
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	0 ms	204 KB	Output is correct
43	Correct	1 ms	204 KB	Output is correct
44	Correct	1 ms	204 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	0 ms	204 KB	Output is correct
47	Correct	1 ms	204 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	0 ms	204 KB	Output is correct
50	Correct	0 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	332 KB	Output is correct
53	Correct	1 ms	332 KB	Output is correct
54	Correct	4 ms	868 KB	Output is correct
55	Correct	4 ms	844 KB	Output is correct
56	Correct	38 ms	5844 KB	Output is correct
57	Correct	36 ms	5928 KB	Output is correct
58	Correct	40 ms	5916 KB	Output is correct
59	Correct	35 ms	5816 KB	Output is correct
60	Correct	40 ms	5944 KB	Output is correct
61	Correct	37 ms	6080 KB	Output is correct
62	Correct	36 ms	5800 KB	Output is correct
63	Correct	36 ms	5808 KB	Output is correct
64	Correct	37 ms	5900 KB	Output is correct
65	Correct	40 ms	5912 KB	Output is correct
66	Correct	37 ms	5828 KB	Output is correct
67	Correct	35 ms	5812 KB	Output is correct
68	Correct	36 ms	5816 KB	Output is correct
69	Correct	1 ms	204 KB	Output is correct
70	Correct	1 ms	204 KB	Output is correct
71	Correct	37 ms	5800 KB	Output is correct
72	Correct	42 ms	5844 KB	Output is correct
73	Correct	36 ms	5808 KB	Output is correct
74	Correct	1 ms	204 KB	Output is correct
75	Correct	0 ms	204 KB	Output is correct
76	Correct	0 ms	204 KB	Output is correct
77	Correct	1 ms	204 KB	Output is correct
78	Correct	468 ms	26832 KB	Output is correct
79	Correct	125 ms	7836 KB	Output is correct
80	Correct	381 ms	26924 KB	Output is correct
81	Correct	41 ms	5860 KB	Output is correct
82	Correct	381 ms	26996 KB	Output is correct
83	Correct	290 ms	15924 KB	Output is correct
84	Correct	0 ms	204 KB	Output is correct
85	Correct	1 ms	204 KB	Output is correct
86	Correct	1 ms	204 KB	Output is correct
87	Correct	1 ms	332 KB	Output is correct
88	Correct	2 ms	460 KB	Output is correct
89	Correct	2 ms	460 KB	Output is correct
90	Correct	2 ms	460 KB	Output is correct
91	Correct	2 ms	460 KB	Output is correct
92	Correct	2 ms	460 KB	Output is correct
93	Correct	2 ms	332 KB	Output is correct
94	Correct	1 ms	332 KB	Output is correct
95	Correct	1 ms	332 KB	Output is correct
96	Correct	1 ms	332 KB	Output is correct
97	Correct	1 ms	332 KB	Output is correct
98	Correct	1 ms	332 KB	Output is correct
99	Correct	2 ms	460 KB	Output is correct
100	Correct	2 ms	460 KB	Output is correct
101	Correct	17 ms	2832 KB	Output is correct
102	Correct	12 ms	1372 KB	Output is correct
103	Correct	479 ms	27044 KB	Output is correct
104	Correct	360 ms	26944 KB	Output is correct
105	Correct	352 ms	17696 KB	Output is correct
106	Correct	404 ms	27008 KB	Output is correct
107	Correct	134 ms	8388 KB	Output is correct
108	Correct	199 ms	10528 KB	Output is correct
109	Correct	38 ms	6460 KB	Output is correct
110	Correct	36 ms	5952 KB	Output is correct
111	Correct	366 ms	24604 KB	Output is correct
112	Correct	419 ms	22272 KB	Output is correct
113	Correct	147 ms	8516 KB	Output is correct
114	Correct	445 ms	27064 KB	Output is correct
115	Correct	402 ms	27076 KB	Output is correct

답안 #433207

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