# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
262030 | 2020-08-12T09:44:15 Z | tiberiu | Arranging Shoes (IOI19_shoes) | C++14 | 89 ms | 16504 KB |
#include "shoes.h" #include <vector> using namespace std; const int MAX_N = 2e5 + 10; long long aib[MAX_N]; void update(int pos, int val) { pos++; while (pos < MAX_N) { aib[pos] += val; pos += (pos & -pos); } } long long query(int pos) { pos++; long long ans = 0; while (pos > 0) { ans += aib[pos]; pos -= (pos & -pos); } return ans; } long long count_swaps(std::vector<int> s) { int n = s.size() / 2; vector<int>* f = new vector<int>[2 * n + 1]() + n; if (query(2 * n)) return 1 / 0; for (int i = 0; i < 2 * n; i++) f[s[i]].push_back(i); vector<int> p(2 * n); for (int i = 1; i <= n; i++) { int j = 0; while (j < f[i].size()) { p[f[i][j]] = f[-i][j]; p[f[-i][j]] = f[i][j]; j++; } } long long ans = 0; for (int i = 0; i < 2 * n; i++) { if (p[i] < i) continue; if (s[p[i]] < s[i]) ans++; ans += (p[i] - i - 1) - (query(p[i] - 1) - query(i)); update(p[i], +1); } return ans; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 0 ms | 384 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 0 ms | 384 KB | Output is correct |
3 | Correct | 0 ms | 384 KB | Output is correct |
4 | Correct | 0 ms | 384 KB | Output is correct |
5 | Correct | 0 ms | 384 KB | Output is correct |
6 | Correct | 0 ms | 384 KB | Output is correct |
7 | Correct | 0 ms | 384 KB | Output is correct |
8 | Correct | 1 ms | 384 KB | Output is correct |
9 | Correct | 1 ms | 384 KB | Output is correct |
10 | Correct | 0 ms | 384 KB | Output is correct |
11 | Correct | 1 ms | 384 KB | Output is correct |
12 | Correct | 1 ms | 384 KB | Output is correct |
13 | Correct | 0 ms | 384 KB | Output is correct |
14 | Correct | 0 ms | 384 KB | Output is correct |
15 | Correct | 1 ms | 384 KB | Output is correct |
16 | Correct | 1 ms | 384 KB | Output is correct |
17 | Correct | 0 ms | 384 KB | Output is correct |
18 | Correct | 0 ms | 384 KB | Output is correct |
19 | Correct | 0 ms | 384 KB | Output is correct |
20 | Correct | 0 ms | 384 KB | Output is correct |
21 | Correct | 0 ms | 384 KB | Output is correct |
22 | Correct | 0 ms | 384 KB | Output is correct |
23 | Correct | 1 ms | 384 KB | Output is correct |
24 | Correct | 0 ms | 384 KB | Output is correct |
25 | Correct | 0 ms | 384 KB | Output is correct |
26 | Correct | 0 ms | 384 KB | Output is correct |
27 | Correct | 0 ms | 384 KB | Output is correct |
28 | Correct | 0 ms | 384 KB | Output is correct |
29 | Correct | 1 ms | 384 KB | Output is correct |
30 | Correct | 0 ms | 384 KB | Output is correct |
31 | Correct | 1 ms | 384 KB | Output is correct |
32 | Correct | 1 ms | 384 KB | Output is correct |
33 | Correct | 0 ms | 384 KB | Output is correct |
34 | Correct | 0 ms | 384 KB | Output is correct |
35 | Correct | 0 ms | 384 KB | Output is correct |
36 | Correct | 0 ms | 384 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 0 ms | 384 KB | Output is correct |
3 | Correct | 0 ms | 384 KB | Output is correct |
4 | Correct | 0 ms | 384 KB | Output is correct |
5 | Correct | 1 ms | 384 KB | Output is correct |
6 | Correct | 0 ms | 384 KB | Output is correct |
7 | Correct | 1 ms | 384 KB | Output is correct |
8 | Correct | 0 ms | 384 KB | Output is correct |
9 | Correct | 0 ms | 384 KB | Output is correct |
10 | Correct | 0 ms | 384 KB | Output is correct |
11 | Correct | 0 ms | 384 KB | Output is correct |
12 | Correct | 0 ms | 384 KB | Output is correct |
13 | Correct | 0 ms | 384 KB | Output is correct |
14 | Correct | 1 ms | 384 KB | Output is correct |
15 | Correct | 0 ms | 384 KB | Output is correct |
16 | Correct | 1 ms | 384 KB | Output is correct |
17 | Correct | 1 ms | 384 KB | Output is correct |
18 | Correct | 1 ms | 384 KB | Output is correct |
19 | Correct | 1 ms | 384 KB | Output is correct |
20 | Correct | 4 ms | 1408 KB | Output is correct |
21 | Correct | 5 ms | 1408 KB | Output is correct |
22 | Correct | 44 ms | 10136 KB | Output is correct |
23 | Correct | 43 ms | 10220 KB | Output is correct |
24 | Correct | 43 ms | 10092 KB | Output is correct |
25 | Correct | 41 ms | 9328 KB | Output is correct |
26 | Correct | 43 ms | 11248 KB | Output is correct |
27 | Correct | 42 ms | 10988 KB | Output is correct |
28 | Correct | 40 ms | 10352 KB | Output is correct |
29 | Correct | 40 ms | 10352 KB | Output is correct |
30 | Correct | 43 ms | 10352 KB | Output is correct |
31 | Correct | 43 ms | 11140 KB | Output is correct |
32 | Correct | 40 ms | 10352 KB | Output is correct |
33 | Correct | 41 ms | 10096 KB | Output is correct |
34 | Correct | 47 ms | 10352 KB | Output is correct |
35 | Correct | 1 ms | 384 KB | Output is correct |
36 | Correct | 0 ms | 384 KB | Output is correct |
37 | Correct | 43 ms | 10492 KB | Output is correct |
38 | Correct | 40 ms | 10352 KB | Output is correct |
39 | Correct | 46 ms | 10352 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 0 ms | 384 KB | Output is correct |
3 | Correct | 0 ms | 384 KB | Output is correct |
4 | Correct | 0 ms | 384 KB | Output is correct |
5 | Correct | 67 ms | 14584 KB | Output is correct |
6 | Correct | 55 ms | 10872 KB | Output is correct |
7 | Correct | 66 ms | 15680 KB | Output is correct |
8 | Correct | 44 ms | 10376 KB | Output is correct |
9 | Correct | 68 ms | 15736 KB | Output is correct |
10 | Correct | 61 ms | 12536 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 0 ms | 384 KB | Output is correct |
3 | Correct | 0 ms | 384 KB | Output is correct |
4 | Correct | 0 ms | 384 KB | Output is correct |
5 | Correct | 0 ms | 384 KB | Output is correct |
6 | Correct | 0 ms | 384 KB | Output is correct |
7 | Correct | 0 ms | 384 KB | Output is correct |
8 | Correct | 1 ms | 384 KB | Output is correct |
9 | Correct | 1 ms | 384 KB | Output is correct |
10 | Correct | 0 ms | 384 KB | Output is correct |
11 | Correct | 1 ms | 384 KB | Output is correct |
12 | Correct | 1 ms | 384 KB | Output is correct |
13 | Correct | 0 ms | 384 KB | Output is correct |
14 | Correct | 0 ms | 384 KB | Output is correct |
15 | Correct | 1 ms | 384 KB | Output is correct |
16 | Correct | 1 ms | 384 KB | Output is correct |
17 | Correct | 0 ms | 384 KB | Output is correct |
18 | Correct | 0 ms | 384 KB | Output is correct |
19 | Correct | 0 ms | 384 KB | Output is correct |
20 | Correct | 0 ms | 384 KB | Output is correct |
21 | Correct | 0 ms | 384 KB | Output is correct |
22 | Correct | 0 ms | 384 KB | Output is correct |
23 | Correct | 1 ms | 384 KB | Output is correct |
24 | Correct | 0 ms | 384 KB | Output is correct |
25 | Correct | 0 ms | 384 KB | Output is correct |
26 | Correct | 0 ms | 384 KB | Output is correct |
27 | Correct | 0 ms | 384 KB | Output is correct |
28 | Correct | 0 ms | 384 KB | Output is correct |
29 | Correct | 1 ms | 384 KB | Output is correct |
30 | Correct | 0 ms | 384 KB | Output is correct |
31 | Correct | 1 ms | 384 KB | Output is correct |
32 | Correct | 1 ms | 384 KB | Output is correct |
33 | Correct | 0 ms | 384 KB | Output is correct |
34 | Correct | 0 ms | 384 KB | Output is correct |
35 | Correct | 0 ms | 384 KB | Output is correct |
36 | Correct | 0 ms | 384 KB | Output is correct |
37 | Correct | 1 ms | 384 KB | Output is correct |
38 | Correct | 0 ms | 384 KB | Output is correct |
39 | Correct | 0 ms | 384 KB | Output is correct |
40 | Correct | 0 ms | 384 KB | Output is correct |
41 | Correct | 2 ms | 512 KB | Output is correct |
42 | Correct | 1 ms | 512 KB | Output is correct |
43 | Correct | 1 ms | 512 KB | Output is correct |
44 | Correct | 1 ms | 512 KB | Output is correct |
45 | Correct | 1 ms | 512 KB | Output is correct |
46 | Correct | 1 ms | 512 KB | Output is correct |
47 | Correct | 1 ms | 384 KB | Output is correct |
48 | Correct | 1 ms | 384 KB | Output is correct |
49 | Correct | 1 ms | 384 KB | Output is correct |
50 | Correct | 1 ms | 384 KB | Output is correct |
51 | Correct | 1 ms | 384 KB | Output is correct |
52 | Correct | 1 ms | 512 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 0 ms | 384 KB | Output is correct |
3 | Correct | 0 ms | 384 KB | Output is correct |
4 | Correct | 0 ms | 384 KB | Output is correct |
5 | Correct | 0 ms | 384 KB | Output is correct |
6 | Correct | 0 ms | 384 KB | Output is correct |
7 | Correct | 0 ms | 384 KB | Output is correct |
8 | Correct | 1 ms | 384 KB | Output is correct |
9 | Correct | 1 ms | 384 KB | Output is correct |
10 | Correct | 0 ms | 384 KB | Output is correct |
11 | Correct | 1 ms | 384 KB | Output is correct |
12 | Correct | 1 ms | 384 KB | Output is correct |
13 | Correct | 0 ms | 384 KB | Output is correct |
14 | Correct | 0 ms | 384 KB | Output is correct |
15 | Correct | 1 ms | 384 KB | Output is correct |
16 | Correct | 1 ms | 384 KB | Output is correct |
17 | Correct | 0 ms | 384 KB | Output is correct |
18 | Correct | 0 ms | 384 KB | Output is correct |
19 | Correct | 0 ms | 384 KB | Output is correct |
20 | Correct | 0 ms | 384 KB | Output is correct |
21 | Correct | 0 ms | 384 KB | Output is correct |
22 | Correct | 0 ms | 384 KB | Output is correct |
23 | Correct | 1 ms | 384 KB | Output is correct |
24 | Correct | 0 ms | 384 KB | Output is correct |
25 | Correct | 0 ms | 384 KB | Output is correct |
26 | Correct | 0 ms | 384 KB | Output is correct |
27 | Correct | 0 ms | 384 KB | Output is correct |
28 | Correct | 0 ms | 384 KB | Output is correct |
29 | Correct | 1 ms | 384 KB | Output is correct |
30 | Correct | 0 ms | 384 KB | Output is correct |
31 | Correct | 1 ms | 384 KB | Output is correct |
32 | Correct | 1 ms | 384 KB | Output is correct |
33 | Correct | 0 ms | 384 KB | Output is correct |
34 | Correct | 0 ms | 384 KB | Output is correct |
35 | Correct | 0 ms | 384 KB | Output is correct |
36 | Correct | 0 ms | 384 KB | Output is correct |
37 | Correct | 0 ms | 384 KB | Output is correct |
38 | Correct | 0 ms | 384 KB | Output is correct |
39 | Correct | 1 ms | 384 KB | Output is correct |
40 | Correct | 0 ms | 384 KB | Output is correct |
41 | Correct | 1 ms | 384 KB | Output is correct |
42 | Correct | 0 ms | 384 KB | Output is correct |
43 | Correct | 0 ms | 384 KB | Output is correct |
44 | Correct | 0 ms | 384 KB | Output is correct |
45 | Correct | 0 ms | 384 KB | Output is correct |
46 | Correct | 0 ms | 384 KB | Output is correct |
47 | Correct | 0 ms | 384 KB | Output is correct |
48 | Correct | 1 ms | 384 KB | Output is correct |
49 | Correct | 0 ms | 384 KB | Output is correct |
50 | Correct | 1 ms | 384 KB | Output is correct |
51 | Correct | 1 ms | 384 KB | Output is correct |
52 | Correct | 1 ms | 384 KB | Output is correct |
53 | Correct | 1 ms | 384 KB | Output is correct |
54 | Correct | 4 ms | 1408 KB | Output is correct |
55 | Correct | 5 ms | 1408 KB | Output is correct |
56 | Correct | 44 ms | 10136 KB | Output is correct |
57 | Correct | 43 ms | 10220 KB | Output is correct |
58 | Correct | 43 ms | 10092 KB | Output is correct |
59 | Correct | 41 ms | 9328 KB | Output is correct |
60 | Correct | 43 ms | 11248 KB | Output is correct |
61 | Correct | 42 ms | 10988 KB | Output is correct |
62 | Correct | 40 ms | 10352 KB | Output is correct |
63 | Correct | 40 ms | 10352 KB | Output is correct |
64 | Correct | 43 ms | 10352 KB | Output is correct |
65 | Correct | 43 ms | 11140 KB | Output is correct |
66 | Correct | 40 ms | 10352 KB | Output is correct |
67 | Correct | 41 ms | 10096 KB | Output is correct |
68 | Correct | 47 ms | 10352 KB | Output is correct |
69 | Correct | 1 ms | 384 KB | Output is correct |
70 | Correct | 0 ms | 384 KB | Output is correct |
71 | Correct | 43 ms | 10492 KB | Output is correct |
72 | Correct | 40 ms | 10352 KB | Output is correct |
73 | Correct | 46 ms | 10352 KB | Output is correct |
74 | Correct | 0 ms | 384 KB | Output is correct |
75 | Correct | 0 ms | 384 KB | Output is correct |
76 | Correct | 0 ms | 384 KB | Output is correct |
77 | Correct | 0 ms | 384 KB | Output is correct |
78 | Correct | 67 ms | 14584 KB | Output is correct |
79 | Correct | 55 ms | 10872 KB | Output is correct |
80 | Correct | 66 ms | 15680 KB | Output is correct |
81 | Correct | 44 ms | 10376 KB | Output is correct |
82 | Correct | 68 ms | 15736 KB | Output is correct |
83 | Correct | 61 ms | 12536 KB | Output is correct |
84 | Correct | 1 ms | 384 KB | Output is correct |
85 | Correct | 0 ms | 384 KB | Output is correct |
86 | Correct | 0 ms | 384 KB | Output is correct |
87 | Correct | 0 ms | 384 KB | Output is correct |
88 | Correct | 2 ms | 512 KB | Output is correct |
89 | Correct | 1 ms | 512 KB | Output is correct |
90 | Correct | 1 ms | 512 KB | Output is correct |
91 | Correct | 1 ms | 512 KB | Output is correct |
92 | Correct | 1 ms | 512 KB | Output is correct |
93 | Correct | 1 ms | 512 KB | Output is correct |
94 | Correct | 1 ms | 384 KB | Output is correct |
95 | Correct | 1 ms | 384 KB | Output is correct |
96 | Correct | 1 ms | 384 KB | Output is correct |
97 | Correct | 1 ms | 384 KB | Output is correct |
98 | Correct | 1 ms | 384 KB | Output is correct |
99 | Correct | 1 ms | 512 KB | Output is correct |
100 | Correct | 1 ms | 512 KB | Output is correct |
101 | Correct | 6 ms | 1920 KB | Output is correct |
102 | Correct | 6 ms | 1536 KB | Output is correct |
103 | Correct | 75 ms | 16376 KB | Output is correct |
104 | Correct | 85 ms | 16504 KB | Output is correct |
105 | Correct | 89 ms | 13688 KB | Output is correct |
106 | Correct | 69 ms | 15864 KB | Output is correct |
107 | Correct | 61 ms | 11768 KB | Output is correct |
108 | Correct | 64 ms | 12152 KB | Output is correct |
109 | Correct | 41 ms | 10608 KB | Output is correct |
110 | Correct | 41 ms | 10352 KB | Output is correct |
111 | Correct | 68 ms | 14968 KB | Output is correct |
112 | Correct | 71 ms | 15096 KB | Output is correct |
113 | Correct | 73 ms | 11000 KB | Output is correct |
114 | Correct | 67 ms | 15696 KB | Output is correct |
115 | Correct | 68 ms | 15608 KB | Output is correct |