oj.uz

Submission #263210

# Submission time Handle Problem Language Result Execution time Memory
263210 2020-08-13T14:06:27 Z Bruteforceman Arranging Shoes (IOI19_shoes) C++17
100 / 100
 680 ms 148216 KB 
#include "bits/stdc++.h"
#include "shoes.h"
using namespace std;

long long count_swaps(std::vector<int> v) {
  int n = v.size();
  vector <int> t (n + 1, 0);
  auto update = [&] (int x, int val) {
    for(int i = x; i <= n; i += i & (-i)) {
      t[i] += val;
    }
  };
  auto query = [&] (int x) {
    long long sum = 0;
    for(int i = x; i > 0; i -= i & (-i)) {
      sum += t[i];
    }
    return sum;
  };
  map <int, queue <int>> pos;
  for(int i = 1; i <= n; i++) {
    pos[v[i - 1]].push(i);
    update(i, 1);
  }
  long long ans = 0;
  for(int i = 1; i <= n; i++) {
    if(v[i - 1] == 0) continue;
    int idx = pos[-v[i - 1]].front();
    pos[-v[i - 1]].pop();
    pos[v[i - 1]].pop();
    update(i, -1);
    update(idx, -1);
    ans += query(idx);
    if(v[i - 1] > 0) ++ans;
    v[i - 1] = v[idx - 1] = 0;
  }
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 372 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 256 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 768 KB Output is correct
21 Correct 4 ms 768 KB Output is correct
22 Correct 44 ms 4724 KB Output is correct
23 Correct 44 ms 4728 KB Output is correct
24 Correct 43 ms 4728 KB Output is correct
25 Correct 41 ms 4600 KB Output is correct
26 Correct 43 ms 4712 KB Output is correct
27 Correct 37 ms 4608 KB Output is correct
28 Correct 39 ms 4728 KB Output is correct
29 Correct 38 ms 4728 KB Output is correct
30 Correct 43 ms 4728 KB Output is correct
31 Correct 43 ms 4728 KB Output is correct
32 Correct 39 ms 4728 KB Output is correct
33 Correct 37 ms 4600 KB Output is correct
34 Correct 40 ms 4732 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 38 ms 4728 KB Output is correct
38 Correct 38 ms 4728 KB Output is correct
39 Correct 39 ms 4728 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 578 ms 147960 KB Output is correct
6 Correct 196 ms 16636 KB Output is correct
7 Correct 617 ms 147960 KB Output is correct
8 Correct 51 ms 4856 KB Output is correct
9 Correct 680 ms 147956 KB Output is correct
10 Correct 432 ms 75900 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 1 ms 256 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 640 KB Output is correct
41 Correct 3 ms 1792 KB Output is correct
42 Correct 3 ms 1792 KB Output is correct
43 Correct 3 ms 1536 KB Output is correct
44 Correct 2 ms 1408 KB Output is correct
45 Correct 2 ms 1312 KB Output is correct
46 Correct 2 ms 1152 KB Output is correct
47 Correct 2 ms 896 KB Output is correct
48 Correct 2 ms 768 KB Output is correct
49 Correct 1 ms 640 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 3 ms 1792 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 0 ms 256 KB Output is correct
38 Correct 1 ms 372 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 0 ms 256 KB Output is correct
41 Correct 1 ms 256 KB Output is correct
42 Correct 0 ms 256 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 1 ms 256 KB Output is correct
45 Correct 0 ms 256 KB Output is correct
46 Correct 0 ms 256 KB Output is correct
47 Correct 1 ms 256 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 1 ms 256 KB Output is correct
50 Correct 1 ms 256 KB Output is correct
51 Correct 1 ms 256 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 768 KB Output is correct
55 Correct 4 ms 768 KB Output is correct
56 Correct 44 ms 4724 KB Output is correct
57 Correct 44 ms 4728 KB Output is correct
58 Correct 43 ms 4728 KB Output is correct
59 Correct 41 ms 4600 KB Output is correct
60 Correct 43 ms 4712 KB Output is correct
61 Correct 37 ms 4608 KB Output is correct
62 Correct 39 ms 4728 KB Output is correct
63 Correct 38 ms 4728 KB Output is correct
64 Correct 43 ms 4728 KB Output is correct
65 Correct 43 ms 4728 KB Output is correct
66 Correct 39 ms 4728 KB Output is correct
67 Correct 37 ms 4600 KB Output is correct
68 Correct 40 ms 4732 KB Output is correct
69 Correct 1 ms 256 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 38 ms 4728 KB Output is correct
72 Correct 38 ms 4728 KB Output is correct
73 Correct 39 ms 4728 KB Output is correct
74 Correct 1 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 0 ms 256 KB Output is correct
77 Correct 1 ms 256 KB Output is correct
78 Correct 578 ms 147960 KB Output is correct
79 Correct 196 ms 16636 KB Output is correct
80 Correct 617 ms 147960 KB Output is correct
81 Correct 51 ms 4856 KB Output is correct
82 Correct 680 ms 147956 KB Output is correct
83 Correct 432 ms 75900 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 1 ms 384 KB Output is correct
86 Correct 1 ms 512 KB Output is correct
87 Correct 1 ms 640 KB Output is correct
88 Correct 3 ms 1792 KB Output is correct
89 Correct 3 ms 1792 KB Output is correct
90 Correct 3 ms 1536 KB Output is correct
91 Correct 2 ms 1408 KB Output is correct
92 Correct 2 ms 1312 KB Output is correct
93 Correct 2 ms 1152 KB Output is correct
94 Correct 2 ms 896 KB Output is correct
95 Correct 2 ms 768 KB Output is correct
96 Correct 1 ms 640 KB Output is correct
97 Correct 1 ms 384 KB Output is correct
98 Correct 1 ms 384 KB Output is correct
99 Correct 3 ms 1792 KB Output is correct
100 Correct 4 ms 1792 KB Output is correct
101 Correct 38 ms 13560 KB Output is correct
102 Correct 14 ms 3456 KB Output is correct
103 Correct 648 ms 148088 KB Output is correct
104 Correct 577 ms 148088 KB Output is correct
105 Correct 498 ms 85880 KB Output is correct
106 Correct 590 ms 147960 KB Output is correct
107 Correct 210 ms 19980 KB Output is correct
108 Correct 257 ms 35976 KB Output is correct
109 Correct 40 ms 4728 KB Output is correct
110 Correct 54 ms 4728 KB Output is correct
111 Correct 605 ms 132092 KB Output is correct
112 Correct 647 ms 116088 KB Output is correct
113 Correct 204 ms 21624 KB Output is correct
114 Correct 606 ms 148216 KB Output is correct
115 Correct 672 ms 148192 KB Output is correct