# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
364550 | 2021-02-09T13:06:53 Z | tiberiu | Arranging Shoes (IOI19_shoes) | C++14 | 363 ms | 26732 KB |
#include "shoes.h" #include <map> #include <vector> using namespace std; const int MAX_N = 200001; int aib[MAX_N]; void update(int pos, int val) { pos++; while (pos < MAX_N) { aib[pos] += val; pos += (pos & -pos); } } int query(int pos) { pos++; int ans = 0; while (pos) { ans += aib[pos]; pos &= pos - 1; } return ans; } long long count_swaps(std::vector<int> s) { map<int, vector<int>> f; for (int i = 0; i < s.size(); i++) { f[s[i]].push_back(i); } long long ans = 0; vector<int> twin(s.size()); for (auto x : f) { if (x.first < 0) continue; for (int i = 0; i < f[x.first].size(); i++) { twin[f[x.first][i]] = f[-x.first][i]; twin[f[-x.first][i]] = f[x.first][i]; if (f[-x.first][i] > f[x.first][i]) ans++; } } for (int i = 0; i < s.size(); i++) { if (twin[i] < i) { ans += query(i) - query(twin[i]); update(i, 1); update(twin[i], 1); } } return ans; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 364 KB | Output is correct |
2 | Correct | 1 ms | 364 KB | Output is correct |
# | 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 | 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 | 364 KB | Output is correct |
14 | Correct | 0 ms | 364 KB | Output is correct |
15 | Correct | 1 ms | 364 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 | 512 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 | 508 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 | 0 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 | 0 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 |
# | 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 | 0 ms | 364 KB | Output is correct |
5 | Correct | 1 ms | 376 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 | 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 | 0 ms | 364 KB | Output is correct |
13 | Correct | 1 ms | 492 KB | Output is correct |
14 | Correct | 0 ms | 364 KB | Output is correct |
15 | Correct | 1 ms | 364 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 | 4 ms | 876 KB | Output is correct |
21 | Correct | 5 ms | 876 KB | Output is correct |
22 | Correct | 42 ms | 6020 KB | Output is correct |
23 | Correct | 39 ms | 5848 KB | Output is correct |
24 | Correct | 41 ms | 5848 KB | Output is correct |
25 | Correct | 37 ms | 5724 KB | Output is correct |
26 | Correct | 42 ms | 5848 KB | Output is correct |
27 | Correct | 43 ms | 5848 KB | Output is correct |
28 | Correct | 38 ms | 5852 KB | Output is correct |
29 | Correct | 38 ms | 5852 KB | Output is correct |
30 | Correct | 39 ms | 5852 KB | Output is correct |
31 | Correct | 42 ms | 5864 KB | Output is correct |
32 | Correct | 38 ms | 5864 KB | Output is correct |
33 | Correct | 36 ms | 5724 KB | Output is correct |
34 | Correct | 38 ms | 5852 KB | Output is correct |
35 | Correct | 1 ms | 364 KB | Output is correct |
36 | Correct | 1 ms | 364 KB | Output is correct |
37 | Correct | 48 ms | 5852 KB | Output is correct |
38 | Correct | 38 ms | 5852 KB | Output is correct |
39 | Correct | 38 ms | 5852 KB | Output is correct |
# | 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 | 0 ms | 364 KB | Output is correct |
5 | Correct | 313 ms | 26604 KB | Output is correct |
6 | Correct | 106 ms | 7676 KB | Output is correct |
7 | Correct | 308 ms | 26604 KB | Output is correct |
8 | Correct | 41 ms | 5772 KB | Output is correct |
9 | Correct | 306 ms | 26604 KB | Output is correct |
10 | Correct | 220 ms | 15724 KB | Output is correct |
# | 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 | 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 | 364 KB | Output is correct |
14 | Correct | 0 ms | 364 KB | Output is correct |
15 | Correct | 1 ms | 364 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 | 512 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 | 508 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 | 0 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 | 0 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 | 2 ms | 748 KB | Output is correct |
42 | Correct | 2 ms | 620 KB | Output is correct |
43 | Correct | 2 ms | 620 KB | Output is correct |
44 | Correct | 3 ms | 492 KB | Output is correct |
45 | Correct | 2 ms | 492 KB | Output is correct |
46 | Correct | 2 ms | 492 KB | Output is correct |
47 | Correct | 2 ms | 492 KB | Output is correct |
48 | Correct | 1 ms | 492 KB | Output is correct |
49 | Correct | 1 ms | 364 KB | Output is correct |
50 | Correct | 1 ms | 364 KB | Output is correct |
51 | Correct | 1 ms | 364 KB | Output is correct |
52 | Correct | 3 ms | 620 KB | Output is correct |
# | 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 | 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 | 364 KB | Output is correct |
14 | Correct | 0 ms | 364 KB | Output is correct |
15 | Correct | 1 ms | 364 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 | 512 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 | 508 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 | 0 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 | 0 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 | 0 ms | 364 KB | Output is correct |
39 | Correct | 1 ms | 376 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 | 1 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 | 0 ms | 364 KB | Output is correct |
47 | Correct | 1 ms | 492 KB | Output is correct |
48 | Correct | 0 ms | 364 KB | Output is correct |
49 | Correct | 1 ms | 364 KB | Output is correct |
50 | Correct | 1 ms | 364 KB | Output is correct |
51 | Correct | 1 ms | 364 KB | Output is correct |
52 | Correct | 1 ms | 364 KB | Output is correct |
53 | Correct | 1 ms | 364 KB | Output is correct |
54 | Correct | 4 ms | 876 KB | Output is correct |
55 | Correct | 5 ms | 876 KB | Output is correct |
56 | Correct | 42 ms | 6020 KB | Output is correct |
57 | Correct | 39 ms | 5848 KB | Output is correct |
58 | Correct | 41 ms | 5848 KB | Output is correct |
59 | Correct | 37 ms | 5724 KB | Output is correct |
60 | Correct | 42 ms | 5848 KB | Output is correct |
61 | Correct | 43 ms | 5848 KB | Output is correct |
62 | Correct | 38 ms | 5852 KB | Output is correct |
63 | Correct | 38 ms | 5852 KB | Output is correct |
64 | Correct | 39 ms | 5852 KB | Output is correct |
65 | Correct | 42 ms | 5864 KB | Output is correct |
66 | Correct | 38 ms | 5864 KB | Output is correct |
67 | Correct | 36 ms | 5724 KB | Output is correct |
68 | Correct | 38 ms | 5852 KB | Output is correct |
69 | Correct | 1 ms | 364 KB | Output is correct |
70 | Correct | 1 ms | 364 KB | Output is correct |
71 | Correct | 48 ms | 5852 KB | Output is correct |
72 | Correct | 38 ms | 5852 KB | Output is correct |
73 | Correct | 38 ms | 5852 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 | 0 ms | 364 KB | Output is correct |
78 | Correct | 313 ms | 26604 KB | Output is correct |
79 | Correct | 106 ms | 7676 KB | Output is correct |
80 | Correct | 308 ms | 26604 KB | Output is correct |
81 | Correct | 41 ms | 5772 KB | Output is correct |
82 | Correct | 306 ms | 26604 KB | Output is correct |
83 | Correct | 220 ms | 15724 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 | 364 KB | Output is correct |
87 | Correct | 1 ms | 364 KB | Output is correct |
88 | Correct | 2 ms | 748 KB | Output is correct |
89 | Correct | 2 ms | 620 KB | Output is correct |
90 | Correct | 2 ms | 620 KB | Output is correct |
91 | Correct | 3 ms | 492 KB | Output is correct |
92 | Correct | 2 ms | 492 KB | Output is correct |
93 | Correct | 2 ms | 492 KB | Output is correct |
94 | Correct | 2 ms | 492 KB | Output is correct |
95 | Correct | 1 ms | 492 KB | Output is correct |
96 | Correct | 1 ms | 364 KB | Output is correct |
97 | Correct | 1 ms | 364 KB | Output is correct |
98 | Correct | 1 ms | 364 KB | Output is correct |
99 | Correct | 3 ms | 620 KB | Output is correct |
100 | Correct | 2 ms | 620 KB | Output is correct |
101 | Correct | 20 ms | 2668 KB | Output is correct |
102 | Correct | 11 ms | 1260 KB | Output is correct |
103 | Correct | 363 ms | 26604 KB | Output is correct |
104 | Correct | 306 ms | 26732 KB | Output is correct |
105 | Correct | 299 ms | 17152 KB | Output is correct |
106 | Correct | 296 ms | 26604 KB | Output is correct |
107 | Correct | 113 ms | 8044 KB | Output is correct |
108 | Correct | 141 ms | 10220 KB | Output is correct |
109 | Correct | 39 ms | 5988 KB | Output is correct |
110 | Correct | 37 ms | 5924 KB | Output is correct |
111 | Correct | 295 ms | 24172 KB | Output is correct |
112 | Correct | 331 ms | 21740 KB | Output is correct |
113 | Correct | 107 ms | 8172 KB | Output is correct |
114 | Correct | 307 ms | 26604 KB | Output is correct |
115 | Correct | 306 ms | 26572 KB | Output is correct |