oj.uz

Submission #988296

# Submission time Handle Problem Language Result Execution time Memory
988296 2024-05-24T12:18:29 Z kachim2 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 445 ms 281804 KB 
#include "shoes.h"
#include <climits>
#include <queue>
#include <vector>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
long long count_swaps(std::vector<int> s) {
  std::vector<int> pos(s.size(), INT_MIN);
  auto qm = new std::queue<int>[s.size()+1];
  auto qp = new std::queue<int>[s.size()+1];

  for (int i = 0; i < s.size(); i++) {
    if (s[i] < 0) {
      if (qp[-s[i]].empty()) {
        qm[-s[i]].push(i);
      } else {
        auto x = qp[-s[i]].front();
        qp[-s[i]].pop();
        pos[i] = x;
      }
    } else {
      if (qm[s[i]].empty()) {
        qp[s[i]].push(i);
      } else {
        auto x = qm[s[i]].front();
        qm[s[i]].pop();
        pos[i] = x;
      }
    }
  }
  long count = 0;
  tree<int, null_type, std::less<int>, rb_tree_tag,
       tree_order_statistics_node_update>
      B;
  for (int i = 0; i < s.size(); i++) {
    B.insert(i * 3 + 1);
  }
  for (int i = 0; i < s.size(); i++) {
    if (pos[i] >= 0) {
      if (s[i] > 0) {
        count += B.order_of_key(i * 3 + 1) - B.order_of_key(pos[i] * 3 + 1) - 1;
        B.erase(i * 3 + 1);
        B.insert(pos[i] * 3 + 2);
      } else {
        count += B.order_of_key(i * 3 + 1) - B.order_of_key(pos[i] * 3 + 1);
        B.erase(i * 3 + 1);
        B.insert(pos[i] * 3);
      }
    }
  }
  delete[] qm;
  delete[] qp;
  return count;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:13:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |   for (int i = 0; i < s.size(); i++) {
      |                   ~~^~~~~~~~~~
shoes.cpp:36:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |   for (int i = 0; i < s.size(); i++) {
      |                   ~~^~~~~~~~~~
shoes.cpp:39:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   for (int i = 0; i < s.size(); i++) {
      |                   ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

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

Subtask #2
20.0 / 20.0

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

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 620 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 3 ms 3164 KB Output is correct
19 Correct 3 ms 3164 KB Output is correct
20 Correct 27 ms 28284 KB Output is correct
21 Correct 31 ms 28536 KB Output is correct
22 Correct 374 ms 281292 KB Output is correct
23 Correct 442 ms 281428 KB Output is correct
24 Correct 374 ms 281356 KB Output is correct
25 Correct 339 ms 281316 KB Output is correct
26 Correct 384 ms 281432 KB Output is correct
27 Correct 358 ms 281456 KB Output is correct
28 Correct 332 ms 281428 KB Output is correct
29 Correct 357 ms 281684 KB Output is correct
30 Correct 337 ms 281424 KB Output is correct
31 Correct 350 ms 281436 KB Output is correct
32 Correct 427 ms 281412 KB Output is correct
33 Correct 341 ms 281452 KB Output is correct
34 Correct 311 ms 281424 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 340 ms 281340 KB Output is correct
38 Correct 314 ms 281444 KB Output is correct
39 Correct 364 ms 281424 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 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 405 ms 281620 KB Output is correct
6 Correct 371 ms 281352 KB Output is correct
7 Correct 402 ms 281600 KB Output is correct
8 Correct 344 ms 281424 KB Output is correct
9 Correct 382 ms 281416 KB Output is correct
10 Correct 391 ms 281424 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 1116 KB Output is correct
41 Correct 3 ms 3164 KB Output is correct
42 Correct 3 ms 3164 KB Output is correct
43 Correct 4 ms 3164 KB Output is correct
44 Correct 3 ms 3164 KB Output is correct
45 Correct 3 ms 3164 KB Output is correct
46 Correct 2 ms 3164 KB Output is correct
47 Correct 3 ms 3164 KB Output is correct
48 Correct 3 ms 3168 KB Output is correct
49 Correct 3 ms 3164 KB Output is correct
50 Correct 4 ms 3416 KB Output is correct
51 Correct 2 ms 3164 KB Output is correct
52 Correct 3 ms 3164 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 620 KB Output is correct
51 Correct 2 ms 1116 KB Output is correct
52 Correct 3 ms 3164 KB Output is correct
53 Correct 3 ms 3164 KB Output is correct
54 Correct 27 ms 28284 KB Output is correct
55 Correct 31 ms 28536 KB Output is correct
56 Correct 374 ms 281292 KB Output is correct
57 Correct 442 ms 281428 KB Output is correct
58 Correct 374 ms 281356 KB Output is correct
59 Correct 339 ms 281316 KB Output is correct
60 Correct 384 ms 281432 KB Output is correct
61 Correct 358 ms 281456 KB Output is correct
62 Correct 332 ms 281428 KB Output is correct
63 Correct 357 ms 281684 KB Output is correct
64 Correct 337 ms 281424 KB Output is correct
65 Correct 350 ms 281436 KB Output is correct
66 Correct 427 ms 281412 KB Output is correct
67 Correct 341 ms 281452 KB Output is correct
68 Correct 311 ms 281424 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 340 ms 281340 KB Output is correct
72 Correct 314 ms 281444 KB Output is correct
73 Correct 364 ms 281424 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 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 405 ms 281620 KB Output is correct
79 Correct 371 ms 281352 KB Output is correct
80 Correct 402 ms 281600 KB Output is correct
81 Correct 344 ms 281424 KB Output is correct
82 Correct 382 ms 281416 KB Output is correct
83 Correct 391 ms 281424 KB Output is correct
84 Correct 1 ms 348 KB Output is correct
85 Correct 1 ms 348 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 1 ms 1116 KB Output is correct
88 Correct 3 ms 3164 KB Output is correct
89 Correct 3 ms 3164 KB Output is correct
90 Correct 4 ms 3164 KB Output is correct
91 Correct 3 ms 3164 KB Output is correct
92 Correct 3 ms 3164 KB Output is correct
93 Correct 2 ms 3164 KB Output is correct
94 Correct 3 ms 3164 KB Output is correct
95 Correct 3 ms 3168 KB Output is correct
96 Correct 3 ms 3164 KB Output is correct
97 Correct 4 ms 3416 KB Output is correct
98 Correct 2 ms 3164 KB Output is correct
99 Correct 3 ms 3164 KB Output is correct
100 Correct 3 ms 3164 KB Output is correct
101 Correct 33 ms 28408 KB Output is correct
102 Correct 31 ms 28508 KB Output is correct
103 Correct 423 ms 281420 KB Output is correct
104 Correct 398 ms 281440 KB Output is correct
105 Correct 420 ms 281424 KB Output is correct
106 Correct 414 ms 281428 KB Output is correct
107 Correct 402 ms 281424 KB Output is correct
108 Correct 363 ms 281360 KB Output is correct
109 Correct 378 ms 281224 KB Output is correct
110 Correct 320 ms 281464 KB Output is correct
111 Correct 429 ms 281208 KB Output is correct
112 Correct 412 ms 281804 KB Output is correct
113 Correct 445 ms 281428 KB Output is correct
114 Correct 396 ms 281544 KB Output is correct
115 Correct 413 ms 281424 KB Output is correct