oj.uz

Submission #883339

# Submission time Handle Problem Language Result Execution time Memory
883339 2023-12-05T07:44:06 Z AkibAzmain Arranging Shoes (IOI19_shoes) C++17
100 / 100
 492 ms 148076 KB 
#include <bits/stdc++.h>
using namespace std;
#include "shoes.h"

long long count_swaps(std::vector<int> a) {
  int n = a.size ();
  map < int, deque < int > > c;
  for (int i = 0; i < n; ++i) c[a[i]].push_back (i);
  vector < int > st (n);
  for (int i = 0; i < n; ++i) st[i] = (i + 1) & -(i + 1);
  auto inc = [&] (int i, int x)
  {
    while (i < n)
      {
        st[i] += x;
        i += (i + 1) & -(i + 1);
      }
  };
  auto sum = [&] (int i)
  {
    int ans = 0;
    while (i >= 0)
      {
        ans += st[i];
        i -= (i + 1) & -(i + 1);
      }
    return ans;
  };
  vector < bool > b (n);
  long long ans = 0;
  for (int i = 0; i < n; ++i)
    {
      if (b[i]) continue;
      int j = c[-a[i]].front ();
      c[-a[i]].pop_front ();
      c[a[i]].pop_front ();
      ans += sum (j) - sum (i) - 1;
      if (a[i] > 0) ++ans;
      inc (i, 1);
      inc (j, -1);
      b[j] = true;
    }
  return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 548 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 3 ms 604 KB Output is correct
21 Correct 3 ms 604 KB Output is correct
22 Correct 25 ms 3536 KB Output is correct
23 Correct 21 ms 3532 KB Output is correct
24 Correct 26 ms 3420 KB Output is correct
25 Correct 21 ms 3608 KB Output is correct
26 Correct 26 ms 4696 KB Output is correct
27 Correct 20 ms 4696 KB Output is correct
28 Correct 21 ms 4688 KB Output is correct
29 Correct 22 ms 4700 KB Output is correct
30 Correct 25 ms 4824 KB Output is correct
31 Correct 25 ms 4688 KB Output is correct
32 Correct 27 ms 4696 KB Output is correct
33 Correct 21 ms 4696 KB Output is correct
34 Correct 21 ms 4696 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 21 ms 4700 KB Output is correct
38 Correct 22 ms 4796 KB Output is correct
39 Correct 21 ms 4700 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 431 ms 147024 KB Output is correct
6 Correct 95 ms 16520 KB Output is correct
7 Correct 423 ms 147888 KB Output is correct
8 Correct 24 ms 4784 KB Output is correct
9 Correct 403 ms 147840 KB Output is correct
10 Correct 254 ms 76128 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 548 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 1884 KB Output is correct
42 Correct 2 ms 1720 KB Output is correct
43 Correct 1 ms 1628 KB Output is correct
44 Correct 2 ms 1368 KB Output is correct
45 Correct 1 ms 1152 KB Output is correct
46 Correct 1 ms 1112 KB Output is correct
47 Correct 1 ms 860 KB Output is correct
48 Correct 1 ms 860 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 2 ms 1884 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 548 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 3 ms 604 KB Output is correct
55 Correct 3 ms 604 KB Output is correct
56 Correct 25 ms 3536 KB Output is correct
57 Correct 21 ms 3532 KB Output is correct
58 Correct 26 ms 3420 KB Output is correct
59 Correct 21 ms 3608 KB Output is correct
60 Correct 26 ms 4696 KB Output is correct
61 Correct 20 ms 4696 KB Output is correct
62 Correct 21 ms 4688 KB Output is correct
63 Correct 22 ms 4700 KB Output is correct
64 Correct 25 ms 4824 KB Output is correct
65 Correct 25 ms 4688 KB Output is correct
66 Correct 27 ms 4696 KB Output is correct
67 Correct 21 ms 4696 KB Output is correct
68 Correct 21 ms 4696 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 1 ms 600 KB Output is correct
71 Correct 21 ms 4700 KB Output is correct
72 Correct 22 ms 4796 KB Output is correct
73 Correct 21 ms 4700 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 431 ms 147024 KB Output is correct
79 Correct 95 ms 16520 KB Output is correct
80 Correct 423 ms 147888 KB Output is correct
81 Correct 24 ms 4784 KB Output is correct
82 Correct 403 ms 147840 KB Output is correct
83 Correct 254 ms 76128 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 0 ms 344 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 2 ms 1884 KB Output is correct
89 Correct 2 ms 1720 KB Output is correct
90 Correct 1 ms 1628 KB Output is correct
91 Correct 2 ms 1368 KB Output is correct
92 Correct 1 ms 1152 KB Output is correct
93 Correct 1 ms 1112 KB Output is correct
94 Correct 1 ms 860 KB Output is correct
95 Correct 1 ms 860 KB Output is correct
96 Correct 1 ms 604 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 1 ms 348 KB Output is correct
99 Correct 2 ms 1884 KB Output is correct
100 Correct 2 ms 1880 KB Output is correct
101 Correct 22 ms 13660 KB Output is correct
102 Correct 9 ms 3420 KB Output is correct
103 Correct 492 ms 148072 KB Output is correct
104 Correct 460 ms 148048 KB Output is correct
105 Correct 322 ms 85844 KB Output is correct
106 Correct 435 ms 148052 KB Output is correct
107 Correct 124 ms 20048 KB Output is correct
108 Correct 169 ms 35952 KB Output is correct
109 Correct 24 ms 4700 KB Output is correct
110 Correct 21 ms 4700 KB Output is correct
111 Correct 389 ms 132068 KB Output is correct
112 Correct 395 ms 116068 KB Output is correct
113 Correct 110 ms 21580 KB Output is correct
114 Correct 422 ms 148072 KB Output is correct
115 Correct 425 ms 148076 KB Output is correct