oj.uz

Submission #171364

# Submission time Handle Problem Language Result Execution time Memory
171364 2019-12-28T11:40:18 Z Kubin Arranging Shoes (IOI19_shoes) C++17
100 / 100
 476 ms 30228 KB 
#include <map>
#include <ext/pb_ds/assoc_container.hpp>
#include "shoes.h"

using namespace std;
using namespace __gnu_pbds;

template<typename T, typename Tk>
using os_map = tree<
    T, Tk, less<T>, rb_tree_tag, tree_order_statistics_node_update
>;
template<typename T>
using os_set = os_map<T, null_type>;

long long count_swaps(vector<int> S)
{
    const size_t n = S.size();

    vector<vector<size_t>> pos(2*n);
    for(size_t i = n; i --> 0; )
        pos[S[i] + n].push_back(i);

    os_set<size_t> erased;
    size_t mex = 0;
    long long result = 0;
    while(erased.size() < n)
    {
        while(erased.find(mex) != erased.end())
            mex++;

        auto i = pos[-S[mex] + n].back();

        result += i - (mex + 1) - (erased.order_of_key(i) - erased.order_of_key(mex));

        if(S[mex] > 0)
            result++;
        erased.insert(mex);
        pos[S[mex] + n].pop_back();
        erased.insert(i);
        pos[-S[mex] + n].pop_back();
    }

    return result;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 6 ms 376 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 6 ms 376 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 4 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 252 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 248 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 380 KB Output is correct
23 Correct 4 ms 248 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 1 ms 252 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 1 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 252 KB Output is correct
36 Correct 2 ms 376 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 6 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 128 KB Output is correct
14 Correct 2 ms 252 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 20 ms 2880 KB Output is correct
21 Correct 23 ms 2808 KB Output is correct
22 Correct 273 ms 25396 KB Output is correct
23 Correct 375 ms 25384 KB Output is correct
24 Correct 185 ms 25380 KB Output is correct
25 Correct 438 ms 25416 KB Output is correct
26 Correct 260 ms 25404 KB Output is correct
27 Correct 363 ms 25572 KB Output is correct
28 Correct 367 ms 25356 KB Output is correct
29 Correct 369 ms 25504 KB Output is correct
30 Correct 363 ms 25360 KB Output is correct
31 Correct 291 ms 25508 KB Output is correct
32 Correct 353 ms 25316 KB Output is correct
33 Correct 368 ms 25448 KB Output is correct
34 Correct 361 ms 25396 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 383 ms 25556 KB Output is correct
38 Correct 361 ms 25508 KB Output is correct
39 Correct 372 ms 25428 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 413 ms 30044 KB Output is correct
6 Correct 389 ms 26428 KB Output is correct
7 Correct 429 ms 30200 KB Output is correct
8 Correct 379 ms 25440 KB Output is correct
9 Correct 395 ms 30056 KB Output is correct
10 Correct 399 ms 27508 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 6 ms 376 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 4 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 252 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 248 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 380 KB Output is correct
23 Correct 4 ms 248 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 1 ms 252 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 1 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 252 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 252 KB Output is correct
39 Correct 2 ms 256 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 4 ms 632 KB Output is correct
42 Correct 1 ms 632 KB Output is correct
43 Correct 4 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 4 ms 376 KB Output is correct
46 Correct 4 ms 632 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 3 ms 504 KB Output is correct
49 Correct 3 ms 632 KB Output is correct
50 Correct 3 ms 504 KB Output is correct
51 Correct 3 ms 632 KB Output is correct
52 Correct 3 ms 632 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 6 ms 376 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 4 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 252 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 248 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 252 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 380 KB Output is correct
23 Correct 4 ms 248 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 1 ms 252 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 1 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 252 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 256 KB Output is correct
41 Correct 2 ms 256 KB Output is correct
42 Correct 1 ms 376 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 256 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 128 KB Output is correct
48 Correct 2 ms 252 KB Output is correct
49 Correct 2 ms 256 KB Output is correct
50 Correct 2 ms 256 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 504 KB Output is correct
53 Correct 3 ms 504 KB Output is correct
54 Correct 20 ms 2880 KB Output is correct
55 Correct 23 ms 2808 KB Output is correct
56 Correct 273 ms 25396 KB Output is correct
57 Correct 375 ms 25384 KB Output is correct
58 Correct 185 ms 25380 KB Output is correct
59 Correct 438 ms 25416 KB Output is correct
60 Correct 260 ms 25404 KB Output is correct
61 Correct 363 ms 25572 KB Output is correct
62 Correct 367 ms 25356 KB Output is correct
63 Correct 369 ms 25504 KB Output is correct
64 Correct 363 ms 25360 KB Output is correct
65 Correct 291 ms 25508 KB Output is correct
66 Correct 353 ms 25316 KB Output is correct
67 Correct 368 ms 25448 KB Output is correct
68 Correct 361 ms 25396 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 2 ms 376 KB Output is correct
71 Correct 383 ms 25556 KB Output is correct
72 Correct 361 ms 25508 KB Output is correct
73 Correct 372 ms 25428 KB Output is correct
74 Correct 2 ms 256 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 413 ms 30044 KB Output is correct
79 Correct 389 ms 26428 KB Output is correct
80 Correct 429 ms 30200 KB Output is correct
81 Correct 379 ms 25440 KB Output is correct
82 Correct 395 ms 30056 KB Output is correct
83 Correct 399 ms 27508 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 252 KB Output is correct
86 Correct 2 ms 256 KB Output is correct
87 Correct 2 ms 376 KB Output is correct
88 Correct 4 ms 632 KB Output is correct
89 Correct 1 ms 632 KB Output is correct
90 Correct 4 ms 504 KB Output is correct
91 Correct 3 ms 504 KB Output is correct
92 Correct 4 ms 376 KB Output is correct
93 Correct 4 ms 632 KB Output is correct
94 Correct 3 ms 376 KB Output is correct
95 Correct 3 ms 504 KB Output is correct
96 Correct 3 ms 632 KB Output is correct
97 Correct 3 ms 504 KB Output is correct
98 Correct 3 ms 632 KB Output is correct
99 Correct 3 ms 632 KB Output is correct
100 Correct 4 ms 632 KB Output is correct
101 Correct 22 ms 3192 KB Output is correct
102 Correct 20 ms 2936 KB Output is correct
103 Correct 350 ms 30072 KB Output is correct
104 Correct 423 ms 30132 KB Output is correct
105 Correct 253 ms 27768 KB Output is correct
106 Correct 359 ms 30200 KB Output is correct
107 Correct 238 ms 26492 KB Output is correct
108 Correct 384 ms 26736 KB Output is correct
109 Correct 284 ms 25552 KB Output is correct
110 Correct 347 ms 25568 KB Output is correct
111 Correct 430 ms 29536 KB Output is correct
112 Correct 461 ms 28812 KB Output is correct
113 Correct 476 ms 26456 KB Output is correct
114 Correct 377 ms 30228 KB Output is correct
115 Correct 344 ms 30072 KB Output is correct