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Submission #757765

# Submission time Handle Problem Language Result Execution time Memory
757765 2023-06-13T17:59:55 Z taher Arranging Shoes (IOI19_shoes) C++17
100 / 100
 646 ms 148832 KB 
#include <bits/stdc++.h>

using namespace std;

template <typename T>
class fenwick {
  public:
  vector<T> fenw;
  int n;

  fenwick(int _n) : n(_n) {
    fenw.resize(n);
  }

  void modify(int x, T v) {
    while (x < n) {
      fenw[x] += v;
      x |= (x + 1);
    }
  }

  T get(int x) {
    T v{};
    while (x >= 0) {
      v += fenw[x];
      x = (x & (x + 1)) - 1;
    }
    return v;
  }
};

long long count_swaps(vector<int> v){
  int n = (int)v.size();
  map<int , deque<int>> Mp;
  for(int i = 0 ; i < n ; i++){
    Mp[v[i]].emplace_back(i);
  }
  fenwick<long long> q(n + 1);
  long long ans = 0;
  int coun = 1;
  int cnt = 0;
  for(int i = 0 ; i < n ; i++){
    int cur = v[i];
    if(Mp[cur].front() != i) continue;
    if(cur < 0){
      cnt++;
    }
    int f = cur * -1;
    assert(f != cur);
    int idx = Mp[f].front();
    Mp[cur].pop_front();
    Mp[f].pop_front();
    int now_f = q.get(idx);
    if(now_f + idx > cnt){
      int g_idx = now_f + idx;
      ans += (g_idx - cnt);
      q.modify(idx + 1, -1);
      q.modify(0 , 1);      
    }    
    cnt = coun * 2;
    coun++;
  }
  return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 292 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 304 KB Output is correct
17 Correct 1 ms 296 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 5 ms 724 KB Output is correct
22 Correct 28 ms 5416 KB Output is correct
23 Correct 24 ms 5452 KB Output is correct
24 Correct 30 ms 5452 KB Output is correct
25 Correct 25 ms 5348 KB Output is correct
26 Correct 30 ms 5452 KB Output is correct
27 Correct 29 ms 5220 KB Output is correct
28 Correct 27 ms 5420 KB Output is correct
29 Correct 27 ms 5520 KB Output is correct
30 Correct 25 ms 5432 KB Output is correct
31 Correct 31 ms 5452 KB Output is correct
32 Correct 25 ms 5460 KB Output is correct
33 Correct 24 ms 5236 KB Output is correct
34 Correct 27 ms 5460 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 25 ms 5416 KB Output is correct
38 Correct 32 ms 5424 KB Output is correct
39 Correct 36 ms 5520 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 537 ms 148752 KB Output is correct
6 Correct 152 ms 17292 KB Output is correct
7 Correct 544 ms 148712 KB Output is correct
8 Correct 29 ms 5588 KB Output is correct
9 Correct 521 ms 148656 KB Output is correct
10 Correct 364 ms 76692 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 292 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 552 KB Output is correct
41 Correct 2 ms 1748 KB Output is correct
42 Correct 2 ms 1720 KB Output is correct
43 Correct 3 ms 1492 KB Output is correct
44 Correct 2 ms 1364 KB Output is correct
45 Correct 2 ms 1200 KB Output is correct
46 Correct 2 ms 1108 KB Output is correct
47 Correct 2 ms 852 KB Output is correct
48 Correct 2 ms 696 KB Output is correct
49 Correct 2 ms 596 KB Output is correct
50 Correct 2 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 3 ms 1748 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 292 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 300 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 296 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 300 KB Output is correct
47 Correct 1 ms 300 KB Output is correct
48 Correct 1 ms 292 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 304 KB Output is correct
51 Correct 1 ms 296 KB Output is correct
52 Correct 1 ms 312 KB Output is correct
53 Correct 1 ms 308 KB Output is correct
54 Correct 3 ms 724 KB Output is correct
55 Correct 5 ms 724 KB Output is correct
56 Correct 28 ms 5416 KB Output is correct
57 Correct 24 ms 5452 KB Output is correct
58 Correct 30 ms 5452 KB Output is correct
59 Correct 25 ms 5348 KB Output is correct
60 Correct 30 ms 5452 KB Output is correct
61 Correct 29 ms 5220 KB Output is correct
62 Correct 27 ms 5420 KB Output is correct
63 Correct 27 ms 5520 KB Output is correct
64 Correct 25 ms 5432 KB Output is correct
65 Correct 31 ms 5452 KB Output is correct
66 Correct 25 ms 5460 KB Output is correct
67 Correct 24 ms 5236 KB Output is correct
68 Correct 27 ms 5460 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 25 ms 5416 KB Output is correct
72 Correct 32 ms 5424 KB Output is correct
73 Correct 36 ms 5520 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 537 ms 148752 KB Output is correct
79 Correct 152 ms 17292 KB Output is correct
80 Correct 544 ms 148712 KB Output is correct
81 Correct 29 ms 5588 KB Output is correct
82 Correct 521 ms 148656 KB Output is correct
83 Correct 364 ms 76692 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 0 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 552 KB Output is correct
88 Correct 2 ms 1748 KB Output is correct
89 Correct 2 ms 1720 KB Output is correct
90 Correct 3 ms 1492 KB Output is correct
91 Correct 2 ms 1364 KB Output is correct
92 Correct 2 ms 1200 KB Output is correct
93 Correct 2 ms 1108 KB Output is correct
94 Correct 2 ms 852 KB Output is correct
95 Correct 2 ms 696 KB Output is correct
96 Correct 2 ms 596 KB Output is correct
97 Correct 2 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 3 ms 1748 KB Output is correct
100 Correct 3 ms 1748 KB Output is correct
101 Correct 29 ms 13652 KB Output is correct
102 Correct 13 ms 3520 KB Output is correct
103 Correct 646 ms 148748 KB Output is correct
104 Correct 530 ms 148652 KB Output is correct
105 Correct 448 ms 86468 KB Output is correct
106 Correct 556 ms 148696 KB Output is correct
107 Correct 191 ms 20780 KB Output is correct
108 Correct 264 ms 36856 KB Output is correct
109 Correct 29 ms 5420 KB Output is correct
110 Correct 25 ms 5404 KB Output is correct
111 Correct 493 ms 132796 KB Output is correct
112 Correct 578 ms 116692 KB Output is correct
113 Correct 187 ms 22476 KB Output is correct
114 Correct 577 ms 148692 KB Output is correct
115 Correct 562 ms 148832 KB Output is correct