oj.uz

Submission #226150

# Submission time Handle Problem Language Result Execution time Memory
226150 2020-04-22T16:21:40 Z Haunted_Cpp Arranging Shoes (IOI19_shoes) C++17
100 / 100
 170 ms 21992 KB 
#include <bits/stdc++.h>
#include "shoes.h"

using namespace std;

const int OFF = 1e5 + 5;
const int N = 2 * OFF;

bitset<N> is_used;
vector< set<int> > g (N);

template<typename T>
struct FenwickTree {
  vector<T> bit;
  const int N;
  FenwickTree (int n) : N (n + 5) {
    bit.clear();
    bit.resize(N);
  }
  void update (int idx, T delta) {
    for (; idx < N; idx += idx & (- idx)) {
      bit[idx] += delta;
    }
  }
  void range_update (int lo, int hi, T delta) {
    update (lo, + delta);
    update (hi + 1, - delta);
  }
  T query (int idx) {
    T res {};
    for (; idx > 0; idx -= idx & (- idx)) {
      res += bit[idx];
    }
    return res;
  }
};

long long count_swaps(vector<int> s) {
  long long res = 0;
  const int n = (int) s.size();
  FenwickTree<int> fen (N);
  s.insert (s.begin(), 0);
  is_used.reset();
  for (int i = 1; i <= n; i++) {
    g[s[i] + OFF].insert(i);
  }
  for (int i = 1; i <= n; i++) {
    if (is_used.test(i)) continue;
    int delta = s[i] * -1;
    int cur = i;
    int nxt = *g[delta + OFF].begin(); 
    is_used.set(cur);
    is_used.set(nxt);
    int p1 = cur + fen.query (cur);
    int p2 = nxt + fen.query (nxt);
    res += p2 - p1 - (s[i] < 0);
    g[s[i] + OFF].erase(i);
    g[delta + OFF].erase(nxt);
    fen.range_update (cur + 1, nxt - 1, + 1); 
  }
	return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10496 KB Output is correct
2 Correct 11 ms 10496 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10496 KB Output is correct
2 Correct 11 ms 10496 KB Output is correct
3 Correct 11 ms 10496 KB Output is correct
4 Correct 10 ms 10496 KB Output is correct
5 Correct 10 ms 10496 KB Output is correct
6 Correct 11 ms 10496 KB Output is correct
7 Correct 10 ms 10496 KB Output is correct
8 Correct 12 ms 10496 KB Output is correct
9 Correct 10 ms 10496 KB Output is correct
10 Correct 10 ms 10496 KB Output is correct
11 Correct 12 ms 10496 KB Output is correct
12 Correct 10 ms 10496 KB Output is correct
13 Correct 11 ms 10496 KB Output is correct
14 Correct 10 ms 10496 KB Output is correct
15 Correct 10 ms 10624 KB Output is correct
16 Correct 12 ms 10496 KB Output is correct
17 Correct 12 ms 10496 KB Output is correct
18 Correct 10 ms 10496 KB Output is correct
19 Correct 10 ms 10496 KB Output is correct
20 Correct 10 ms 10496 KB Output is correct
21 Correct 12 ms 10496 KB Output is correct
22 Correct 10 ms 10496 KB Output is correct
23 Correct 10 ms 10496 KB Output is correct
24 Correct 11 ms 10496 KB Output is correct
25 Correct 10 ms 10496 KB Output is correct
26 Correct 11 ms 10496 KB Output is correct
27 Correct 10 ms 10496 KB Output is correct
28 Correct 11 ms 10496 KB Output is correct
29 Correct 10 ms 10496 KB Output is correct
30 Correct 10 ms 10496 KB Output is correct
31 Correct 10 ms 10496 KB Output is correct
32 Correct 10 ms 10496 KB Output is correct
33 Correct 10 ms 10496 KB Output is correct
34 Correct 10 ms 10496 KB Output is correct
35 Correct 11 ms 10496 KB Output is correct
36 Correct 14 ms 10496 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10496 KB Output is correct
2 Correct 11 ms 10496 KB Output is correct
3 Correct 10 ms 10496 KB Output is correct
4 Correct 11 ms 10496 KB Output is correct
5 Correct 10 ms 10496 KB Output is correct
6 Correct 13 ms 10496 KB Output is correct
7 Correct 12 ms 10496 KB Output is correct
8 Correct 10 ms 10496 KB Output is correct
9 Correct 10 ms 10496 KB Output is correct
10 Correct 12 ms 10496 KB Output is correct
11 Correct 12 ms 10496 KB Output is correct
12 Correct 10 ms 10496 KB Output is correct
13 Correct 11 ms 10496 KB Output is correct
14 Correct 10 ms 10496 KB Output is correct
15 Correct 12 ms 10496 KB Output is correct
16 Correct 10 ms 10624 KB Output is correct
17 Correct 11 ms 10496 KB Output is correct
18 Correct 11 ms 10624 KB Output is correct
19 Correct 11 ms 10624 KB Output is correct
20 Correct 18 ms 11776 KB Output is correct
21 Correct 18 ms 11776 KB Output is correct
22 Correct 89 ms 21796 KB Output is correct
23 Correct 104 ms 21748 KB Output is correct
24 Correct 91 ms 21736 KB Output is correct
25 Correct 105 ms 21736 KB Output is correct
26 Correct 94 ms 21736 KB Output is correct
27 Correct 106 ms 21736 KB Output is correct
28 Correct 106 ms 21736 KB Output is correct
29 Correct 104 ms 21864 KB Output is correct
30 Correct 107 ms 21736 KB Output is correct
31 Correct 91 ms 21736 KB Output is correct
32 Correct 105 ms 21736 KB Output is correct
33 Correct 102 ms 21736 KB Output is correct
34 Correct 107 ms 21736 KB Output is correct
35 Correct 12 ms 10752 KB Output is correct
36 Correct 10 ms 10496 KB Output is correct
37 Correct 103 ms 21736 KB Output is correct
38 Correct 104 ms 21736 KB Output is correct
39 Correct 100 ms 21736 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 10496 KB Output is correct
2 Correct 10 ms 10624 KB Output is correct
3 Correct 12 ms 10496 KB Output is correct
4 Correct 11 ms 10496 KB Output is correct
5 Correct 124 ms 21736 KB Output is correct
6 Correct 170 ms 21736 KB Output is correct
7 Correct 92 ms 21736 KB Output is correct
8 Correct 99 ms 21736 KB Output is correct
9 Correct 122 ms 21640 KB Output is correct
10 Correct 118 ms 21736 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10496 KB Output is correct
2 Correct 11 ms 10496 KB Output is correct
3 Correct 11 ms 10496 KB Output is correct
4 Correct 10 ms 10496 KB Output is correct
5 Correct 10 ms 10496 KB Output is correct
6 Correct 11 ms 10496 KB Output is correct
7 Correct 10 ms 10496 KB Output is correct
8 Correct 12 ms 10496 KB Output is correct
9 Correct 10 ms 10496 KB Output is correct
10 Correct 10 ms 10496 KB Output is correct
11 Correct 12 ms 10496 KB Output is correct
12 Correct 10 ms 10496 KB Output is correct
13 Correct 11 ms 10496 KB Output is correct
14 Correct 10 ms 10496 KB Output is correct
15 Correct 10 ms 10624 KB Output is correct
16 Correct 12 ms 10496 KB Output is correct
17 Correct 12 ms 10496 KB Output is correct
18 Correct 10 ms 10496 KB Output is correct
19 Correct 10 ms 10496 KB Output is correct
20 Correct 10 ms 10496 KB Output is correct
21 Correct 12 ms 10496 KB Output is correct
22 Correct 10 ms 10496 KB Output is correct
23 Correct 10 ms 10496 KB Output is correct
24 Correct 11 ms 10496 KB Output is correct
25 Correct 10 ms 10496 KB Output is correct
26 Correct 11 ms 10496 KB Output is correct
27 Correct 10 ms 10496 KB Output is correct
28 Correct 11 ms 10496 KB Output is correct
29 Correct 10 ms 10496 KB Output is correct
30 Correct 10 ms 10496 KB Output is correct
31 Correct 10 ms 10496 KB Output is correct
32 Correct 10 ms 10496 KB Output is correct
33 Correct 10 ms 10496 KB Output is correct
34 Correct 10 ms 10496 KB Output is correct
35 Correct 11 ms 10496 KB Output is correct
36 Correct 14 ms 10496 KB Output is correct
37 Correct 10 ms 10496 KB Output is correct
38 Correct 10 ms 10496 KB Output is correct
39 Correct 12 ms 10496 KB Output is correct
40 Correct 10 ms 10496 KB Output is correct
41 Correct 13 ms 10624 KB Output is correct
42 Correct 13 ms 10624 KB Output is correct
43 Correct 11 ms 10624 KB Output is correct
44 Correct 11 ms 10624 KB Output is correct
45 Correct 15 ms 10624 KB Output is correct
46 Correct 12 ms 10624 KB Output is correct
47 Correct 11 ms 10624 KB Output is correct
48 Correct 13 ms 10624 KB Output is correct
49 Correct 11 ms 10624 KB Output is correct
50 Correct 12 ms 10624 KB Output is correct
51 Correct 11 ms 10624 KB Output is correct
52 Correct 11 ms 10624 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 10496 KB Output is correct
2 Correct 11 ms 10496 KB Output is correct
3 Correct 11 ms 10496 KB Output is correct
4 Correct 10 ms 10496 KB Output is correct
5 Correct 10 ms 10496 KB Output is correct
6 Correct 11 ms 10496 KB Output is correct
7 Correct 10 ms 10496 KB Output is correct
8 Correct 12 ms 10496 KB Output is correct
9 Correct 10 ms 10496 KB Output is correct
10 Correct 10 ms 10496 KB Output is correct
11 Correct 12 ms 10496 KB Output is correct
12 Correct 10 ms 10496 KB Output is correct
13 Correct 11 ms 10496 KB Output is correct
14 Correct 10 ms 10496 KB Output is correct
15 Correct 10 ms 10624 KB Output is correct
16 Correct 12 ms 10496 KB Output is correct
17 Correct 12 ms 10496 KB Output is correct
18 Correct 10 ms 10496 KB Output is correct
19 Correct 10 ms 10496 KB Output is correct
20 Correct 10 ms 10496 KB Output is correct
21 Correct 12 ms 10496 KB Output is correct
22 Correct 10 ms 10496 KB Output is correct
23 Correct 10 ms 10496 KB Output is correct
24 Correct 11 ms 10496 KB Output is correct
25 Correct 10 ms 10496 KB Output is correct
26 Correct 11 ms 10496 KB Output is correct
27 Correct 10 ms 10496 KB Output is correct
28 Correct 11 ms 10496 KB Output is correct
29 Correct 10 ms 10496 KB Output is correct
30 Correct 10 ms 10496 KB Output is correct
31 Correct 10 ms 10496 KB Output is correct
32 Correct 10 ms 10496 KB Output is correct
33 Correct 10 ms 10496 KB Output is correct
34 Correct 10 ms 10496 KB Output is correct
35 Correct 11 ms 10496 KB Output is correct
36 Correct 14 ms 10496 KB Output is correct
37 Correct 10 ms 10496 KB Output is correct
38 Correct 11 ms 10496 KB Output is correct
39 Correct 10 ms 10496 KB Output is correct
40 Correct 13 ms 10496 KB Output is correct
41 Correct 12 ms 10496 KB Output is correct
42 Correct 10 ms 10496 KB Output is correct
43 Correct 10 ms 10496 KB Output is correct
44 Correct 12 ms 10496 KB Output is correct
45 Correct 12 ms 10496 KB Output is correct
46 Correct 10 ms 10496 KB Output is correct
47 Correct 11 ms 10496 KB Output is correct
48 Correct 10 ms 10496 KB Output is correct
49 Correct 12 ms 10496 KB Output is correct
50 Correct 10 ms 10624 KB Output is correct
51 Correct 11 ms 10496 KB Output is correct
52 Correct 11 ms 10624 KB Output is correct
53 Correct 11 ms 10624 KB Output is correct
54 Correct 18 ms 11776 KB Output is correct
55 Correct 18 ms 11776 KB Output is correct
56 Correct 89 ms 21796 KB Output is correct
57 Correct 104 ms 21748 KB Output is correct
58 Correct 91 ms 21736 KB Output is correct
59 Correct 105 ms 21736 KB Output is correct
60 Correct 94 ms 21736 KB Output is correct
61 Correct 106 ms 21736 KB Output is correct
62 Correct 106 ms 21736 KB Output is correct
63 Correct 104 ms 21864 KB Output is correct
64 Correct 107 ms 21736 KB Output is correct
65 Correct 91 ms 21736 KB Output is correct
66 Correct 105 ms 21736 KB Output is correct
67 Correct 102 ms 21736 KB Output is correct
68 Correct 107 ms 21736 KB Output is correct
69 Correct 12 ms 10752 KB Output is correct
70 Correct 10 ms 10496 KB Output is correct
71 Correct 103 ms 21736 KB Output is correct
72 Correct 104 ms 21736 KB Output is correct
73 Correct 100 ms 21736 KB Output is correct
74 Correct 12 ms 10496 KB Output is correct
75 Correct 10 ms 10624 KB Output is correct
76 Correct 12 ms 10496 KB Output is correct
77 Correct 11 ms 10496 KB Output is correct
78 Correct 124 ms 21736 KB Output is correct
79 Correct 170 ms 21736 KB Output is correct
80 Correct 92 ms 21736 KB Output is correct
81 Correct 99 ms 21736 KB Output is correct
82 Correct 122 ms 21640 KB Output is correct
83 Correct 118 ms 21736 KB Output is correct
84 Correct 10 ms 10496 KB Output is correct
85 Correct 10 ms 10496 KB Output is correct
86 Correct 12 ms 10496 KB Output is correct
87 Correct 10 ms 10496 KB Output is correct
88 Correct 13 ms 10624 KB Output is correct
89 Correct 13 ms 10624 KB Output is correct
90 Correct 11 ms 10624 KB Output is correct
91 Correct 11 ms 10624 KB Output is correct
92 Correct 15 ms 10624 KB Output is correct
93 Correct 12 ms 10624 KB Output is correct
94 Correct 11 ms 10624 KB Output is correct
95 Correct 13 ms 10624 KB Output is correct
96 Correct 11 ms 10624 KB Output is correct
97 Correct 12 ms 10624 KB Output is correct
98 Correct 11 ms 10624 KB Output is correct
99 Correct 11 ms 10624 KB Output is correct
100 Correct 11 ms 10624 KB Output is correct
101 Correct 18 ms 11776 KB Output is correct
102 Correct 18 ms 11776 KB Output is correct
103 Correct 122 ms 21736 KB Output is correct
104 Correct 124 ms 21736 KB Output is correct
105 Correct 134 ms 21736 KB Output is correct
106 Correct 113 ms 21864 KB Output is correct
107 Correct 133 ms 21736 KB Output is correct
108 Correct 122 ms 21736 KB Output is correct
109 Correct 89 ms 21736 KB Output is correct
110 Correct 104 ms 21992 KB Output is correct
111 Correct 127 ms 21736 KB Output is correct
112 Correct 151 ms 21736 KB Output is correct
113 Correct 136 ms 21736 KB Output is correct
114 Correct 94 ms 21736 KB Output is correct
115 Correct 94 ms 21740 KB Output is correct