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Submission #155176

# Submission time Handle Problem Language Result Execution time Memory
155176 2019-09-26T18:55:07 Z flashmt Arranging Shoes (IOI19_shoes) C++17
100 / 100
 235 ms 140024 KB 
#include <bits/stdc++.h>
using namespace std;

queue<int> q[200200];
int b[200200], bit[200200];

void add(int x)
{
  for (int i = x; i <= 200000; i += i & -i)
    bit[i]++;
}

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

long long count_swaps(vector<int> a)
{
  int n = a.size() / 2, id = 0;
  for (int i = 0; i < n * 2; i++)
    if (q[n - a[i]].empty())
    {
      q[a[i] + n].push(i);
      b[i] = id * 2;
      id++;
    }
    else
    {
      int j = q[n - a[i]].front();
      q[n - a[i]].pop();
      b[i] = b[j] + 1;
      if (a[i] < 0)
        swap(b[i], b[j]);
    }

  long long ans = 0;
  for (int i = 0; i < n * 2; i++)
  {
    ans += i - get(b[i]);
    add(b[i] + 1);
  }
  return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135160 KB Output is correct
2 Correct 135 ms 135144 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135160 KB Output is correct
2 Correct 135 ms 135144 KB Output is correct
3 Correct 136 ms 135160 KB Output is correct
4 Correct 135 ms 135140 KB Output is correct
5 Correct 134 ms 135108 KB Output is correct
6 Correct 138 ms 135160 KB Output is correct
7 Correct 137 ms 135160 KB Output is correct
8 Correct 135 ms 135160 KB Output is correct
9 Correct 134 ms 135160 KB Output is correct
10 Correct 136 ms 135160 KB Output is correct
11 Correct 135 ms 135132 KB Output is correct
12 Correct 139 ms 135132 KB Output is correct
13 Correct 136 ms 135144 KB Output is correct
14 Correct 137 ms 135132 KB Output is correct
15 Correct 134 ms 135156 KB Output is correct
16 Correct 151 ms 135288 KB Output is correct
17 Correct 164 ms 135160 KB Output is correct
18 Correct 136 ms 135160 KB Output is correct
19 Correct 138 ms 135160 KB Output is correct
20 Correct 163 ms 135160 KB Output is correct
21 Correct 163 ms 135160 KB Output is correct
22 Correct 163 ms 135132 KB Output is correct
23 Correct 161 ms 135160 KB Output is correct
24 Correct 162 ms 135160 KB Output is correct
25 Correct 147 ms 135164 KB Output is correct
26 Correct 161 ms 135340 KB Output is correct
27 Correct 137 ms 135160 KB Output is correct
28 Correct 145 ms 135124 KB Output is correct
29 Correct 163 ms 135064 KB Output is correct
30 Correct 155 ms 135080 KB Output is correct
31 Correct 159 ms 135160 KB Output is correct
32 Correct 134 ms 135160 KB Output is correct
33 Correct 133 ms 135088 KB Output is correct
34 Correct 134 ms 135160 KB Output is correct
35 Correct 135 ms 135180 KB Output is correct
36 Correct 135 ms 135060 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135160 KB Output is correct
2 Correct 135 ms 135144 KB Output is correct
3 Correct 134 ms 135128 KB Output is correct
4 Correct 135 ms 135168 KB Output is correct
5 Correct 158 ms 135176 KB Output is correct
6 Correct 139 ms 135088 KB Output is correct
7 Correct 163 ms 135160 KB Output is correct
8 Correct 134 ms 135160 KB Output is correct
9 Correct 137 ms 135160 KB Output is correct
10 Correct 146 ms 135248 KB Output is correct
11 Correct 149 ms 135148 KB Output is correct
12 Correct 135 ms 135160 KB Output is correct
13 Correct 136 ms 135236 KB Output is correct
14 Correct 135 ms 135232 KB Output is correct
15 Correct 134 ms 135156 KB Output is correct
16 Correct 135 ms 135160 KB Output is correct
17 Correct 145 ms 135160 KB Output is correct
18 Correct 146 ms 135260 KB Output is correct
19 Correct 147 ms 135160 KB Output is correct
20 Correct 161 ms 135564 KB Output is correct
21 Correct 152 ms 135544 KB Output is correct
22 Correct 201 ms 139512 KB Output is correct
23 Correct 215 ms 139604 KB Output is correct
24 Correct 235 ms 139516 KB Output is correct
25 Correct 202 ms 139768 KB Output is correct
26 Correct 179 ms 139512 KB Output is correct
27 Correct 205 ms 139300 KB Output is correct
28 Correct 200 ms 140024 KB Output is correct
29 Correct 199 ms 140024 KB Output is correct
30 Correct 200 ms 139896 KB Output is correct
31 Correct 201 ms 139512 KB Output is correct
32 Correct 204 ms 139948 KB Output is correct
33 Correct 190 ms 139912 KB Output is correct
34 Correct 176 ms 139944 KB Output is correct
35 Correct 161 ms 135196 KB Output is correct
36 Correct 162 ms 135160 KB Output is correct
37 Correct 201 ms 140020 KB Output is correct
38 Correct 203 ms 139912 KB Output is correct
39 Correct 175 ms 139896 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 136 ms 135160 KB Output is correct
2 Correct 153 ms 135052 KB Output is correct
3 Correct 138 ms 135160 KB Output is correct
4 Correct 136 ms 135160 KB Output is correct
5 Correct 192 ms 139512 KB Output is correct
6 Correct 193 ms 139644 KB Output is correct
7 Correct 191 ms 139480 KB Output is correct
8 Correct 210 ms 139896 KB Output is correct
9 Correct 191 ms 139512 KB Output is correct
10 Correct 184 ms 139512 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135160 KB Output is correct
2 Correct 135 ms 135144 KB Output is correct
3 Correct 136 ms 135160 KB Output is correct
4 Correct 135 ms 135140 KB Output is correct
5 Correct 134 ms 135108 KB Output is correct
6 Correct 138 ms 135160 KB Output is correct
7 Correct 137 ms 135160 KB Output is correct
8 Correct 135 ms 135160 KB Output is correct
9 Correct 134 ms 135160 KB Output is correct
10 Correct 136 ms 135160 KB Output is correct
11 Correct 135 ms 135132 KB Output is correct
12 Correct 139 ms 135132 KB Output is correct
13 Correct 136 ms 135144 KB Output is correct
14 Correct 137 ms 135132 KB Output is correct
15 Correct 134 ms 135156 KB Output is correct
16 Correct 151 ms 135288 KB Output is correct
17 Correct 164 ms 135160 KB Output is correct
18 Correct 136 ms 135160 KB Output is correct
19 Correct 138 ms 135160 KB Output is correct
20 Correct 163 ms 135160 KB Output is correct
21 Correct 163 ms 135160 KB Output is correct
22 Correct 163 ms 135132 KB Output is correct
23 Correct 161 ms 135160 KB Output is correct
24 Correct 162 ms 135160 KB Output is correct
25 Correct 147 ms 135164 KB Output is correct
26 Correct 161 ms 135340 KB Output is correct
27 Correct 137 ms 135160 KB Output is correct
28 Correct 145 ms 135124 KB Output is correct
29 Correct 163 ms 135064 KB Output is correct
30 Correct 155 ms 135080 KB Output is correct
31 Correct 159 ms 135160 KB Output is correct
32 Correct 134 ms 135160 KB Output is correct
33 Correct 133 ms 135088 KB Output is correct
34 Correct 134 ms 135160 KB Output is correct
35 Correct 135 ms 135180 KB Output is correct
36 Correct 135 ms 135060 KB Output is correct
37 Correct 134 ms 135076 KB Output is correct
38 Correct 139 ms 135160 KB Output is correct
39 Correct 136 ms 135100 KB Output is correct
40 Correct 136 ms 135160 KB Output is correct
41 Correct 136 ms 135288 KB Output is correct
42 Correct 134 ms 135160 KB Output is correct
43 Correct 137 ms 135160 KB Output is correct
44 Correct 135 ms 135160 KB Output is correct
45 Correct 149 ms 135260 KB Output is correct
46 Correct 135 ms 135132 KB Output is correct
47 Correct 137 ms 135160 KB Output is correct
48 Correct 154 ms 135132 KB Output is correct
49 Correct 136 ms 135180 KB Output is correct
50 Correct 168 ms 135320 KB Output is correct
51 Correct 196 ms 135084 KB Output is correct
52 Correct 137 ms 135104 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135160 KB Output is correct
2 Correct 135 ms 135144 KB Output is correct
3 Correct 136 ms 135160 KB Output is correct
4 Correct 135 ms 135140 KB Output is correct
5 Correct 134 ms 135108 KB Output is correct
6 Correct 138 ms 135160 KB Output is correct
7 Correct 137 ms 135160 KB Output is correct
8 Correct 135 ms 135160 KB Output is correct
9 Correct 134 ms 135160 KB Output is correct
10 Correct 136 ms 135160 KB Output is correct
11 Correct 135 ms 135132 KB Output is correct
12 Correct 139 ms 135132 KB Output is correct
13 Correct 136 ms 135144 KB Output is correct
14 Correct 137 ms 135132 KB Output is correct
15 Correct 134 ms 135156 KB Output is correct
16 Correct 151 ms 135288 KB Output is correct
17 Correct 164 ms 135160 KB Output is correct
18 Correct 136 ms 135160 KB Output is correct
19 Correct 138 ms 135160 KB Output is correct
20 Correct 163 ms 135160 KB Output is correct
21 Correct 163 ms 135160 KB Output is correct
22 Correct 163 ms 135132 KB Output is correct
23 Correct 161 ms 135160 KB Output is correct
24 Correct 162 ms 135160 KB Output is correct
25 Correct 147 ms 135164 KB Output is correct
26 Correct 161 ms 135340 KB Output is correct
27 Correct 137 ms 135160 KB Output is correct
28 Correct 145 ms 135124 KB Output is correct
29 Correct 163 ms 135064 KB Output is correct
30 Correct 155 ms 135080 KB Output is correct
31 Correct 159 ms 135160 KB Output is correct
32 Correct 134 ms 135160 KB Output is correct
33 Correct 133 ms 135088 KB Output is correct
34 Correct 134 ms 135160 KB Output is correct
35 Correct 135 ms 135180 KB Output is correct
36 Correct 135 ms 135060 KB Output is correct
37 Correct 134 ms 135128 KB Output is correct
38 Correct 135 ms 135168 KB Output is correct
39 Correct 158 ms 135176 KB Output is correct
40 Correct 139 ms 135088 KB Output is correct
41 Correct 163 ms 135160 KB Output is correct
42 Correct 134 ms 135160 KB Output is correct
43 Correct 137 ms 135160 KB Output is correct
44 Correct 146 ms 135248 KB Output is correct
45 Correct 149 ms 135148 KB Output is correct
46 Correct 135 ms 135160 KB Output is correct
47 Correct 136 ms 135236 KB Output is correct
48 Correct 135 ms 135232 KB Output is correct
49 Correct 134 ms 135156 KB Output is correct
50 Correct 135 ms 135160 KB Output is correct
51 Correct 145 ms 135160 KB Output is correct
52 Correct 146 ms 135260 KB Output is correct
53 Correct 147 ms 135160 KB Output is correct
54 Correct 161 ms 135564 KB Output is correct
55 Correct 152 ms 135544 KB Output is correct
56 Correct 201 ms 139512 KB Output is correct
57 Correct 215 ms 139604 KB Output is correct
58 Correct 235 ms 139516 KB Output is correct
59 Correct 202 ms 139768 KB Output is correct
60 Correct 179 ms 139512 KB Output is correct
61 Correct 205 ms 139300 KB Output is correct
62 Correct 200 ms 140024 KB Output is correct
63 Correct 199 ms 140024 KB Output is correct
64 Correct 200 ms 139896 KB Output is correct
65 Correct 201 ms 139512 KB Output is correct
66 Correct 204 ms 139948 KB Output is correct
67 Correct 190 ms 139912 KB Output is correct
68 Correct 176 ms 139944 KB Output is correct
69 Correct 161 ms 135196 KB Output is correct
70 Correct 162 ms 135160 KB Output is correct
71 Correct 201 ms 140020 KB Output is correct
72 Correct 203 ms 139912 KB Output is correct
73 Correct 175 ms 139896 KB Output is correct
74 Correct 136 ms 135160 KB Output is correct
75 Correct 153 ms 135052 KB Output is correct
76 Correct 138 ms 135160 KB Output is correct
77 Correct 136 ms 135160 KB Output is correct
78 Correct 192 ms 139512 KB Output is correct
79 Correct 193 ms 139644 KB Output is correct
80 Correct 191 ms 139480 KB Output is correct
81 Correct 210 ms 139896 KB Output is correct
82 Correct 191 ms 139512 KB Output is correct
83 Correct 184 ms 139512 KB Output is correct
84 Correct 134 ms 135076 KB Output is correct
85 Correct 139 ms 135160 KB Output is correct
86 Correct 136 ms 135100 KB Output is correct
87 Correct 136 ms 135160 KB Output is correct
88 Correct 136 ms 135288 KB Output is correct
89 Correct 134 ms 135160 KB Output is correct
90 Correct 137 ms 135160 KB Output is correct
91 Correct 135 ms 135160 KB Output is correct
92 Correct 149 ms 135260 KB Output is correct
93 Correct 135 ms 135132 KB Output is correct
94 Correct 137 ms 135160 KB Output is correct
95 Correct 154 ms 135132 KB Output is correct
96 Correct 136 ms 135180 KB Output is correct
97 Correct 168 ms 135320 KB Output is correct
98 Correct 196 ms 135084 KB Output is correct
99 Correct 137 ms 135104 KB Output is correct
100 Correct 147 ms 135184 KB Output is correct
101 Correct 143 ms 135576 KB Output is correct
102 Correct 140 ms 135544 KB Output is correct
103 Correct 204 ms 139512 KB Output is correct
104 Correct 191 ms 139512 KB Output is correct
105 Correct 198 ms 139512 KB Output is correct
106 Correct 210 ms 139420 KB Output is correct
107 Correct 196 ms 139512 KB Output is correct
108 Correct 183 ms 139580 KB Output is correct
109 Correct 172 ms 140024 KB Output is correct
110 Correct 171 ms 139896 KB Output is correct
111 Correct 206 ms 139552 KB Output is correct
112 Correct 219 ms 139640 KB Output is correct
113 Correct 194 ms 139644 KB Output is correct
114 Correct 215 ms 139612 KB Output is correct
115 Correct 209 ms 139464 KB Output is correct