oj.uz

Submission #531771

# Submission time Handle Problem Language Result Execution time Memory
531771 2022-03-01T13:06:50 Z kebine Arranging Shoes (IOI19_shoes) C++17
100 / 100
 155 ms 138588 KB 
# include <bits/stdc++.h>
using namespace std;

int bit[200005];
queue<int> q[200005];
const int OFFSET = 100000;
int maxn;

int lsone(int x) { return x&(-x); }
int off(int x) { return x+OFFSET; }

int get(int x){
  x++;
  int res = 0;
  for(int i=x; i>0; i-=lsone(i))
    res += bit[i];
  return res;
}

int get(int l, int r){
  return get(r) - get(l);
}

void update(int x, int val){
  x++;
  for(int i=x; i<=maxn; i+=lsone(i))
    bit[i] += val;
}

long long count_swaps(vector<int> shoes){
  long long ans = 0;
  maxn = shoes.size();
  for(int r=0; r<shoes.size(); r++){
    int x = shoes[r];
    if(!q[off(-x)].empty()){
      int l = q[off(-x)].front(); 
      q[off(-x)].pop();
      ans += (r-l);
      if(x > 0) ans--;
      ans -= get(l, r);
      update(l, -1);
    }
    else {
      q[off(x)].push(r);
      update(r, +1);
    }
  }
  return ans;
}

// int main(){
//   int n; cin >> n;
//   vector<int> shoes(n);
//   for(int i=0; i<n; i++){
//     cin >> shoes[i];
//   }
//   cout << count_swaps(shoes) << endl;
// }

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:33:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |   for(int r=0; r<shoes.size(); r++){
      |                ~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 134860 KB Output is correct
2 Correct 79 ms 134860 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 134860 KB Output is correct
2 Correct 79 ms 134860 KB Output is correct
3 Correct 78 ms 134856 KB Output is correct
4 Correct 79 ms 134880 KB Output is correct
5 Correct 83 ms 134820 KB Output is correct
6 Correct 82 ms 134896 KB Output is correct
7 Correct 83 ms 134852 KB Output is correct
8 Correct 79 ms 134832 KB Output is correct
9 Correct 80 ms 134868 KB Output is correct
10 Correct 80 ms 134860 KB Output is correct
11 Correct 80 ms 134868 KB Output is correct
12 Correct 84 ms 134848 KB Output is correct
13 Correct 85 ms 134836 KB Output is correct
14 Correct 81 ms 134804 KB Output is correct
15 Correct 79 ms 134920 KB Output is correct
16 Correct 78 ms 134856 KB Output is correct
17 Correct 80 ms 134848 KB Output is correct
18 Correct 82 ms 134844 KB Output is correct
19 Correct 84 ms 134852 KB Output is correct
20 Correct 79 ms 134852 KB Output is correct
21 Correct 79 ms 134852 KB Output is correct
22 Correct 80 ms 134896 KB Output is correct
23 Correct 80 ms 134868 KB Output is correct
24 Correct 83 ms 134980 KB Output is correct
25 Correct 82 ms 134852 KB Output is correct
26 Correct 78 ms 134824 KB Output is correct
27 Correct 81 ms 134896 KB Output is correct
28 Correct 82 ms 134852 KB Output is correct
29 Correct 80 ms 134848 KB Output is correct
30 Correct 83 ms 134828 KB Output is correct
31 Correct 85 ms 134804 KB Output is correct
32 Correct 81 ms 134792 KB Output is correct
33 Correct 86 ms 134868 KB Output is correct
34 Correct 81 ms 134844 KB Output is correct
35 Correct 80 ms 134892 KB Output is correct
36 Correct 87 ms 134852 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 134860 KB Output is correct
2 Correct 79 ms 134860 KB Output is correct
3 Correct 81 ms 134900 KB Output is correct
4 Correct 80 ms 134852 KB Output is correct
5 Correct 81 ms 134904 KB Output is correct
6 Correct 81 ms 134804 KB Output is correct
7 Correct 84 ms 135032 KB Output is correct
8 Correct 80 ms 134900 KB Output is correct
9 Correct 78 ms 134916 KB Output is correct
10 Correct 80 ms 134848 KB Output is correct
11 Correct 79 ms 134852 KB Output is correct
12 Correct 85 ms 134832 KB Output is correct
13 Correct 79 ms 134852 KB Output is correct
14 Correct 80 ms 134916 KB Output is correct
15 Correct 76 ms 134832 KB Output is correct
16 Correct 78 ms 134892 KB Output is correct
17 Correct 82 ms 134912 KB Output is correct
18 Correct 79 ms 134952 KB Output is correct
19 Correct 81 ms 134856 KB Output is correct
20 Correct 81 ms 135220 KB Output is correct
21 Correct 82 ms 135200 KB Output is correct
22 Correct 104 ms 138436 KB Output is correct
23 Correct 103 ms 138504 KB Output is correct
24 Correct 105 ms 138500 KB Output is correct
25 Correct 104 ms 138292 KB Output is correct
26 Correct 109 ms 138436 KB Output is correct
27 Correct 107 ms 138352 KB Output is correct
28 Correct 104 ms 138564 KB Output is correct
29 Correct 101 ms 138580 KB Output is correct
30 Correct 116 ms 138500 KB Output is correct
31 Correct 113 ms 138512 KB Output is correct
32 Correct 104 ms 138568 KB Output is correct
33 Correct 103 ms 138308 KB Output is correct
34 Correct 103 ms 138512 KB Output is correct
35 Correct 79 ms 134816 KB Output is correct
36 Correct 83 ms 134980 KB Output is correct
37 Correct 107 ms 138508 KB Output is correct
38 Correct 103 ms 138508 KB Output is correct
39 Correct 115 ms 138508 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 134932 KB Output is correct
2 Correct 80 ms 134916 KB Output is correct
3 Correct 84 ms 134884 KB Output is correct
4 Correct 77 ms 134872 KB Output is correct
5 Correct 133 ms 138052 KB Output is correct
6 Correct 118 ms 138148 KB Output is correct
7 Correct 130 ms 138148 KB Output is correct
8 Correct 106 ms 138504 KB Output is correct
9 Correct 155 ms 138128 KB Output is correct
10 Correct 133 ms 138124 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 134860 KB Output is correct
2 Correct 79 ms 134860 KB Output is correct
3 Correct 78 ms 134856 KB Output is correct
4 Correct 79 ms 134880 KB Output is correct
5 Correct 83 ms 134820 KB Output is correct
6 Correct 82 ms 134896 KB Output is correct
7 Correct 83 ms 134852 KB Output is correct
8 Correct 79 ms 134832 KB Output is correct
9 Correct 80 ms 134868 KB Output is correct
10 Correct 80 ms 134860 KB Output is correct
11 Correct 80 ms 134868 KB Output is correct
12 Correct 84 ms 134848 KB Output is correct
13 Correct 85 ms 134836 KB Output is correct
14 Correct 81 ms 134804 KB Output is correct
15 Correct 79 ms 134920 KB Output is correct
16 Correct 78 ms 134856 KB Output is correct
17 Correct 80 ms 134848 KB Output is correct
18 Correct 82 ms 134844 KB Output is correct
19 Correct 84 ms 134852 KB Output is correct
20 Correct 79 ms 134852 KB Output is correct
21 Correct 79 ms 134852 KB Output is correct
22 Correct 80 ms 134896 KB Output is correct
23 Correct 80 ms 134868 KB Output is correct
24 Correct 83 ms 134980 KB Output is correct
25 Correct 82 ms 134852 KB Output is correct
26 Correct 78 ms 134824 KB Output is correct
27 Correct 81 ms 134896 KB Output is correct
28 Correct 82 ms 134852 KB Output is correct
29 Correct 80 ms 134848 KB Output is correct
30 Correct 83 ms 134828 KB Output is correct
31 Correct 85 ms 134804 KB Output is correct
32 Correct 81 ms 134792 KB Output is correct
33 Correct 86 ms 134868 KB Output is correct
34 Correct 81 ms 134844 KB Output is correct
35 Correct 80 ms 134892 KB Output is correct
36 Correct 87 ms 134852 KB Output is correct
37 Correct 80 ms 134872 KB Output is correct
38 Correct 82 ms 134852 KB Output is correct
39 Correct 81 ms 134884 KB Output is correct
40 Correct 77 ms 134896 KB Output is correct
41 Correct 80 ms 134924 KB Output is correct
42 Correct 85 ms 134936 KB Output is correct
43 Correct 81 ms 134824 KB Output is correct
44 Correct 83 ms 134824 KB Output is correct
45 Correct 80 ms 134852 KB Output is correct
46 Correct 79 ms 134980 KB Output is correct
47 Correct 82 ms 134924 KB Output is correct
48 Correct 81 ms 134864 KB Output is correct
49 Correct 79 ms 134944 KB Output is correct
50 Correct 77 ms 134856 KB Output is correct
51 Correct 78 ms 134852 KB Output is correct
52 Correct 78 ms 134836 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 134860 KB Output is correct
2 Correct 79 ms 134860 KB Output is correct
3 Correct 78 ms 134856 KB Output is correct
4 Correct 79 ms 134880 KB Output is correct
5 Correct 83 ms 134820 KB Output is correct
6 Correct 82 ms 134896 KB Output is correct
7 Correct 83 ms 134852 KB Output is correct
8 Correct 79 ms 134832 KB Output is correct
9 Correct 80 ms 134868 KB Output is correct
10 Correct 80 ms 134860 KB Output is correct
11 Correct 80 ms 134868 KB Output is correct
12 Correct 84 ms 134848 KB Output is correct
13 Correct 85 ms 134836 KB Output is correct
14 Correct 81 ms 134804 KB Output is correct
15 Correct 79 ms 134920 KB Output is correct
16 Correct 78 ms 134856 KB Output is correct
17 Correct 80 ms 134848 KB Output is correct
18 Correct 82 ms 134844 KB Output is correct
19 Correct 84 ms 134852 KB Output is correct
20 Correct 79 ms 134852 KB Output is correct
21 Correct 79 ms 134852 KB Output is correct
22 Correct 80 ms 134896 KB Output is correct
23 Correct 80 ms 134868 KB Output is correct
24 Correct 83 ms 134980 KB Output is correct
25 Correct 82 ms 134852 KB Output is correct
26 Correct 78 ms 134824 KB Output is correct
27 Correct 81 ms 134896 KB Output is correct
28 Correct 82 ms 134852 KB Output is correct
29 Correct 80 ms 134848 KB Output is correct
30 Correct 83 ms 134828 KB Output is correct
31 Correct 85 ms 134804 KB Output is correct
32 Correct 81 ms 134792 KB Output is correct
33 Correct 86 ms 134868 KB Output is correct
34 Correct 81 ms 134844 KB Output is correct
35 Correct 80 ms 134892 KB Output is correct
36 Correct 87 ms 134852 KB Output is correct
37 Correct 81 ms 134900 KB Output is correct
38 Correct 80 ms 134852 KB Output is correct
39 Correct 81 ms 134904 KB Output is correct
40 Correct 81 ms 134804 KB Output is correct
41 Correct 84 ms 135032 KB Output is correct
42 Correct 80 ms 134900 KB Output is correct
43 Correct 78 ms 134916 KB Output is correct
44 Correct 80 ms 134848 KB Output is correct
45 Correct 79 ms 134852 KB Output is correct
46 Correct 85 ms 134832 KB Output is correct
47 Correct 79 ms 134852 KB Output is correct
48 Correct 80 ms 134916 KB Output is correct
49 Correct 76 ms 134832 KB Output is correct
50 Correct 78 ms 134892 KB Output is correct
51 Correct 82 ms 134912 KB Output is correct
52 Correct 79 ms 134952 KB Output is correct
53 Correct 81 ms 134856 KB Output is correct
54 Correct 81 ms 135220 KB Output is correct
55 Correct 82 ms 135200 KB Output is correct
56 Correct 104 ms 138436 KB Output is correct
57 Correct 103 ms 138504 KB Output is correct
58 Correct 105 ms 138500 KB Output is correct
59 Correct 104 ms 138292 KB Output is correct
60 Correct 109 ms 138436 KB Output is correct
61 Correct 107 ms 138352 KB Output is correct
62 Correct 104 ms 138564 KB Output is correct
63 Correct 101 ms 138580 KB Output is correct
64 Correct 116 ms 138500 KB Output is correct
65 Correct 113 ms 138512 KB Output is correct
66 Correct 104 ms 138568 KB Output is correct
67 Correct 103 ms 138308 KB Output is correct
68 Correct 103 ms 138512 KB Output is correct
69 Correct 79 ms 134816 KB Output is correct
70 Correct 83 ms 134980 KB Output is correct
71 Correct 107 ms 138508 KB Output is correct
72 Correct 103 ms 138508 KB Output is correct
73 Correct 115 ms 138508 KB Output is correct
74 Correct 80 ms 134932 KB Output is correct
75 Correct 80 ms 134916 KB Output is correct
76 Correct 84 ms 134884 KB Output is correct
77 Correct 77 ms 134872 KB Output is correct
78 Correct 133 ms 138052 KB Output is correct
79 Correct 118 ms 138148 KB Output is correct
80 Correct 130 ms 138148 KB Output is correct
81 Correct 106 ms 138504 KB Output is correct
82 Correct 155 ms 138128 KB Output is correct
83 Correct 133 ms 138124 KB Output is correct
84 Correct 80 ms 134872 KB Output is correct
85 Correct 82 ms 134852 KB Output is correct
86 Correct 81 ms 134884 KB Output is correct
87 Correct 77 ms 134896 KB Output is correct
88 Correct 80 ms 134924 KB Output is correct
89 Correct 85 ms 134936 KB Output is correct
90 Correct 81 ms 134824 KB Output is correct
91 Correct 83 ms 134824 KB Output is correct
92 Correct 80 ms 134852 KB Output is correct
93 Correct 79 ms 134980 KB Output is correct
94 Correct 82 ms 134924 KB Output is correct
95 Correct 81 ms 134864 KB Output is correct
96 Correct 79 ms 134944 KB Output is correct
97 Correct 77 ms 134856 KB Output is correct
98 Correct 78 ms 134852 KB Output is correct
99 Correct 78 ms 134836 KB Output is correct
100 Correct 82 ms 134876 KB Output is correct
101 Correct 85 ms 135236 KB Output is correct
102 Correct 84 ms 135216 KB Output is correct
103 Correct 154 ms 138424 KB Output is correct
104 Correct 126 ms 138496 KB Output is correct
105 Correct 129 ms 138436 KB Output is correct
106 Correct 130 ms 138128 KB Output is correct
107 Correct 119 ms 138436 KB Output is correct
108 Correct 125 ms 138512 KB Output is correct
109 Correct 105 ms 138588 KB Output is correct
110 Correct 106 ms 138488 KB Output is correct
111 Correct 126 ms 138124 KB Output is correct
112 Correct 143 ms 138508 KB Output is correct
113 Correct 117 ms 138060 KB Output is correct
114 Correct 130 ms 138052 KB Output is correct
115 Correct 136 ms 138100 KB Output is correct