oj.uz

답안 #622456

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
622456 2022-08-04T09:51:06 Z Jomnoi Arranging Shoes (IOI19_shoes) C++17
100 / 100
 160 ms 139644 KB 
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;

const int MAX_N = 2e5 + 5;

int N;
long long ans;
queue <int> pos[MAX_N];
bool visited[MAX_N];
int tree[MAX_N];

void add(int x, int v) {
	for(int i = x; i < MAX_N; i += (i & -i)) {
		tree[i] += v;
	}
}

int get(int x) {
	int res = 0;
	for(int i = x; i >= 1; i -= (i & -i)) {
		res += tree[i];
	}
	return res;
}

long long count_swaps(vector <int> s) {
	for(int i = 1; i < MAX_N; i++) {
		tree[i] = i & -i;
	}

	N = s.size();
	s.insert(s.begin(), 0);
	
	for(int i = 1; i <= N; i++) {
		if(s[i] < 0) {
			s[i] = N + s[i] + 1;
		}

		pos[s[i]].push(i);
	}

	for(int i = 1; i <= N; i++) {
		if(visited[i] == true) {
			continue;
		}

		int now = s[i], nxt = N - s[i] + 1, nxtpos;
		if(s[i] > N / 2) {
			ans--;
		}

		nxtpos = pos[nxt].front();
		pos[nxt].pop();
		pos[now].pop();

		ans += get(nxtpos) - get(i);
		add(nxtpos, -1);
		visited[i] = visited[nxtpos] = true;
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 135628 KB Output is correct
2 Correct 83 ms 135636 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 135628 KB Output is correct
2 Correct 83 ms 135636 KB Output is correct
3 Correct 81 ms 135660 KB Output is correct
4 Correct 86 ms 135652 KB Output is correct
5 Correct 77 ms 135608 KB Output is correct
6 Correct 82 ms 135624 KB Output is correct
7 Correct 91 ms 135696 KB Output is correct
8 Correct 78 ms 135672 KB Output is correct
9 Correct 79 ms 135616 KB Output is correct
10 Correct 84 ms 135644 KB Output is correct
11 Correct 96 ms 135628 KB Output is correct
12 Correct 82 ms 135680 KB Output is correct
13 Correct 82 ms 135748 KB Output is correct
14 Correct 79 ms 135632 KB Output is correct
15 Correct 82 ms 135636 KB Output is correct
16 Correct 82 ms 135628 KB Output is correct
17 Correct 78 ms 135696 KB Output is correct
18 Correct 78 ms 135628 KB Output is correct
19 Correct 81 ms 135600 KB Output is correct
20 Correct 85 ms 135664 KB Output is correct
21 Correct 79 ms 135672 KB Output is correct
22 Correct 85 ms 135652 KB Output is correct
23 Correct 82 ms 135620 KB Output is correct
24 Correct 83 ms 135740 KB Output is correct
25 Correct 78 ms 135592 KB Output is correct
26 Correct 84 ms 135708 KB Output is correct
27 Correct 91 ms 135592 KB Output is correct
28 Correct 81 ms 135700 KB Output is correct
29 Correct 102 ms 135624 KB Output is correct
30 Correct 79 ms 135628 KB Output is correct
31 Correct 83 ms 135700 KB Output is correct
32 Correct 79 ms 135620 KB Output is correct
33 Correct 85 ms 135628 KB Output is correct
34 Correct 85 ms 135724 KB Output is correct
35 Correct 83 ms 135700 KB Output is correct
36 Correct 85 ms 135604 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 135628 KB Output is correct
2 Correct 83 ms 135636 KB Output is correct
3 Correct 83 ms 135616 KB Output is correct
4 Correct 81 ms 135644 KB Output is correct
5 Correct 97 ms 135712 KB Output is correct
6 Correct 87 ms 135708 KB Output is correct
7 Correct 80 ms 135704 KB Output is correct
8 Correct 79 ms 135620 KB Output is correct
9 Correct 87 ms 135652 KB Output is correct
10 Correct 90 ms 135636 KB Output is correct
11 Correct 84 ms 135612 KB Output is correct
12 Correct 79 ms 135628 KB Output is correct
13 Correct 82 ms 135612 KB Output is correct
14 Correct 82 ms 135696 KB Output is correct
15 Correct 82 ms 135628 KB Output is correct
16 Correct 80 ms 135596 KB Output is correct
17 Correct 84 ms 135668 KB Output is correct
18 Correct 92 ms 135628 KB Output is correct
19 Correct 84 ms 135644 KB Output is correct
20 Correct 92 ms 135968 KB Output is correct
21 Correct 96 ms 136044 KB Output is correct
22 Correct 123 ms 139476 KB Output is correct
23 Correct 120 ms 139588 KB Output is correct
24 Correct 111 ms 139580 KB Output is correct
25 Correct 112 ms 139276 KB Output is correct
26 Correct 109 ms 139536 KB Output is correct
27 Correct 123 ms 139276 KB Output is correct
28 Correct 113 ms 139644 KB Output is correct
29 Correct 109 ms 139492 KB Output is correct
30 Correct 116 ms 139504 KB Output is correct
31 Correct 121 ms 139532 KB Output is correct
32 Correct 111 ms 139472 KB Output is correct
33 Correct 110 ms 139320 KB Output is correct
34 Correct 120 ms 139560 KB Output is correct
35 Correct 88 ms 135628 KB Output is correct
36 Correct 82 ms 135720 KB Output is correct
37 Correct 109 ms 139480 KB Output is correct
38 Correct 110 ms 139524 KB Output is correct
39 Correct 111 ms 139476 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 82 ms 135612 KB Output is correct
2 Correct 84 ms 135608 KB Output is correct
3 Correct 83 ms 135640 KB Output is correct
4 Correct 85 ms 135700 KB Output is correct
5 Correct 160 ms 139200 KB Output is correct
6 Correct 126 ms 139292 KB Output is correct
7 Correct 154 ms 139200 KB Output is correct
8 Correct 135 ms 139628 KB Output is correct
9 Correct 148 ms 139276 KB Output is correct
10 Correct 143 ms 139284 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 135628 KB Output is correct
2 Correct 83 ms 135636 KB Output is correct
3 Correct 81 ms 135660 KB Output is correct
4 Correct 86 ms 135652 KB Output is correct
5 Correct 77 ms 135608 KB Output is correct
6 Correct 82 ms 135624 KB Output is correct
7 Correct 91 ms 135696 KB Output is correct
8 Correct 78 ms 135672 KB Output is correct
9 Correct 79 ms 135616 KB Output is correct
10 Correct 84 ms 135644 KB Output is correct
11 Correct 96 ms 135628 KB Output is correct
12 Correct 82 ms 135680 KB Output is correct
13 Correct 82 ms 135748 KB Output is correct
14 Correct 79 ms 135632 KB Output is correct
15 Correct 82 ms 135636 KB Output is correct
16 Correct 82 ms 135628 KB Output is correct
17 Correct 78 ms 135696 KB Output is correct
18 Correct 78 ms 135628 KB Output is correct
19 Correct 81 ms 135600 KB Output is correct
20 Correct 85 ms 135664 KB Output is correct
21 Correct 79 ms 135672 KB Output is correct
22 Correct 85 ms 135652 KB Output is correct
23 Correct 82 ms 135620 KB Output is correct
24 Correct 83 ms 135740 KB Output is correct
25 Correct 78 ms 135592 KB Output is correct
26 Correct 84 ms 135708 KB Output is correct
27 Correct 91 ms 135592 KB Output is correct
28 Correct 81 ms 135700 KB Output is correct
29 Correct 102 ms 135624 KB Output is correct
30 Correct 79 ms 135628 KB Output is correct
31 Correct 83 ms 135700 KB Output is correct
32 Correct 79 ms 135620 KB Output is correct
33 Correct 85 ms 135628 KB Output is correct
34 Correct 85 ms 135724 KB Output is correct
35 Correct 83 ms 135700 KB Output is correct
36 Correct 85 ms 135604 KB Output is correct
37 Correct 94 ms 135724 KB Output is correct
38 Correct 82 ms 135624 KB Output is correct
39 Correct 78 ms 135700 KB Output is correct
40 Correct 88 ms 135700 KB Output is correct
41 Correct 86 ms 135700 KB Output is correct
42 Correct 84 ms 135664 KB Output is correct
43 Correct 89 ms 135664 KB Output is correct
44 Correct 83 ms 135648 KB Output is correct
45 Correct 82 ms 135740 KB Output is correct
46 Correct 82 ms 135744 KB Output is correct
47 Correct 87 ms 135704 KB Output is correct
48 Correct 82 ms 135780 KB Output is correct
49 Correct 81 ms 135628 KB Output is correct
50 Correct 92 ms 135736 KB Output is correct
51 Correct 87 ms 135704 KB Output is correct
52 Correct 84 ms 135740 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 135628 KB Output is correct
2 Correct 83 ms 135636 KB Output is correct
3 Correct 81 ms 135660 KB Output is correct
4 Correct 86 ms 135652 KB Output is correct
5 Correct 77 ms 135608 KB Output is correct
6 Correct 82 ms 135624 KB Output is correct
7 Correct 91 ms 135696 KB Output is correct
8 Correct 78 ms 135672 KB Output is correct
9 Correct 79 ms 135616 KB Output is correct
10 Correct 84 ms 135644 KB Output is correct
11 Correct 96 ms 135628 KB Output is correct
12 Correct 82 ms 135680 KB Output is correct
13 Correct 82 ms 135748 KB Output is correct
14 Correct 79 ms 135632 KB Output is correct
15 Correct 82 ms 135636 KB Output is correct
16 Correct 82 ms 135628 KB Output is correct
17 Correct 78 ms 135696 KB Output is correct
18 Correct 78 ms 135628 KB Output is correct
19 Correct 81 ms 135600 KB Output is correct
20 Correct 85 ms 135664 KB Output is correct
21 Correct 79 ms 135672 KB Output is correct
22 Correct 85 ms 135652 KB Output is correct
23 Correct 82 ms 135620 KB Output is correct
24 Correct 83 ms 135740 KB Output is correct
25 Correct 78 ms 135592 KB Output is correct
26 Correct 84 ms 135708 KB Output is correct
27 Correct 91 ms 135592 KB Output is correct
28 Correct 81 ms 135700 KB Output is correct
29 Correct 102 ms 135624 KB Output is correct
30 Correct 79 ms 135628 KB Output is correct
31 Correct 83 ms 135700 KB Output is correct
32 Correct 79 ms 135620 KB Output is correct
33 Correct 85 ms 135628 KB Output is correct
34 Correct 85 ms 135724 KB Output is correct
35 Correct 83 ms 135700 KB Output is correct
36 Correct 85 ms 135604 KB Output is correct
37 Correct 83 ms 135616 KB Output is correct
38 Correct 81 ms 135644 KB Output is correct
39 Correct 97 ms 135712 KB Output is correct
40 Correct 87 ms 135708 KB Output is correct
41 Correct 80 ms 135704 KB Output is correct
42 Correct 79 ms 135620 KB Output is correct
43 Correct 87 ms 135652 KB Output is correct
44 Correct 90 ms 135636 KB Output is correct
45 Correct 84 ms 135612 KB Output is correct
46 Correct 79 ms 135628 KB Output is correct
47 Correct 82 ms 135612 KB Output is correct
48 Correct 82 ms 135696 KB Output is correct
49 Correct 82 ms 135628 KB Output is correct
50 Correct 80 ms 135596 KB Output is correct
51 Correct 84 ms 135668 KB Output is correct
52 Correct 92 ms 135628 KB Output is correct
53 Correct 84 ms 135644 KB Output is correct
54 Correct 92 ms 135968 KB Output is correct
55 Correct 96 ms 136044 KB Output is correct
56 Correct 123 ms 139476 KB Output is correct
57 Correct 120 ms 139588 KB Output is correct
58 Correct 111 ms 139580 KB Output is correct
59 Correct 112 ms 139276 KB Output is correct
60 Correct 109 ms 139536 KB Output is correct
61 Correct 123 ms 139276 KB Output is correct
62 Correct 113 ms 139644 KB Output is correct
63 Correct 109 ms 139492 KB Output is correct
64 Correct 116 ms 139504 KB Output is correct
65 Correct 121 ms 139532 KB Output is correct
66 Correct 111 ms 139472 KB Output is correct
67 Correct 110 ms 139320 KB Output is correct
68 Correct 120 ms 139560 KB Output is correct
69 Correct 88 ms 135628 KB Output is correct
70 Correct 82 ms 135720 KB Output is correct
71 Correct 109 ms 139480 KB Output is correct
72 Correct 110 ms 139524 KB Output is correct
73 Correct 111 ms 139476 KB Output is correct
74 Correct 82 ms 135612 KB Output is correct
75 Correct 84 ms 135608 KB Output is correct
76 Correct 83 ms 135640 KB Output is correct
77 Correct 85 ms 135700 KB Output is correct
78 Correct 160 ms 139200 KB Output is correct
79 Correct 126 ms 139292 KB Output is correct
80 Correct 154 ms 139200 KB Output is correct
81 Correct 135 ms 139628 KB Output is correct
82 Correct 148 ms 139276 KB Output is correct
83 Correct 143 ms 139284 KB Output is correct
84 Correct 94 ms 135724 KB Output is correct
85 Correct 82 ms 135624 KB Output is correct
86 Correct 78 ms 135700 KB Output is correct
87 Correct 88 ms 135700 KB Output is correct
88 Correct 86 ms 135700 KB Output is correct
89 Correct 84 ms 135664 KB Output is correct
90 Correct 89 ms 135664 KB Output is correct
91 Correct 83 ms 135648 KB Output is correct
92 Correct 82 ms 135740 KB Output is correct
93 Correct 82 ms 135744 KB Output is correct
94 Correct 87 ms 135704 KB Output is correct
95 Correct 82 ms 135780 KB Output is correct
96 Correct 81 ms 135628 KB Output is correct
97 Correct 92 ms 135736 KB Output is correct
98 Correct 87 ms 135704 KB Output is correct
99 Correct 84 ms 135740 KB Output is correct
100 Correct 83 ms 135672 KB Output is correct
101 Correct 86 ms 136012 KB Output is correct
102 Correct 85 ms 136024 KB Output is correct
103 Correct 158 ms 139200 KB Output is correct
104 Correct 142 ms 139248 KB Output is correct
105 Correct 143 ms 139260 KB Output is correct
106 Correct 141 ms 139324 KB Output is correct
107 Correct 127 ms 139212 KB Output is correct
108 Correct 128 ms 139248 KB Output is correct
109 Correct 110 ms 139496 KB Output is correct
110 Correct 113 ms 139504 KB Output is correct
111 Correct 143 ms 139296 KB Output is correct
112 Correct 146 ms 139292 KB Output is correct
113 Correct 127 ms 139208 KB Output is correct
114 Correct 146 ms 139200 KB Output is correct
115 Correct 141 ms 139324 KB Output is correct