oj.uz

Submission #849120

# Submission time Handle Problem Language Result Execution time Memory
849120 2023-09-14T06:31:47 Z abcvuitunggio Arranging Shoes (IOI19_shoes) C++17
100 / 100
 46 ms 16476 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
int a[200001],cnt=1;
long long res,f[200001];
vector <int> pos[200001];
long long count_swaps(vector <int> s){
    for (int i=s.size()-1;i>=0;i--)
        pos[s[i]+s.size()/2].push_back(i);
    for (int i=0;i<s.size();i++)
        if (!a[i]){
            a[i]=cnt;
            int j=pos[s.size()/2-s[i]].back();
            a[j]=cnt+1;
            if (s[i]>0)
                swap(a[i],a[j]);
            pos[s[i]+s.size()/2].pop_back();
            pos[s.size()/2-s[i]].pop_back();
            cnt+=2;
        }
    for (int i=s.size()-1;i>=0;i--){
        for (int j=a[i];j;j-=j&(-j))
            res+=f[j];
        for (int j=a[i];j<=s.size();j+=j&(-j))
            f[j]++;
    }
    return res;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for (int i=0;i<s.size();i++)
      |                  ~^~~~~~~~~
shoes.cpp:24:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         for (int j=a[i];j<=s.size();j+=j&(-j))
      |                         ~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 2 ms 6748 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 2 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6760 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 1 ms 6748 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 2 ms 6748 KB Output is correct
17 Correct 1 ms 6744 KB Output is correct
18 Correct 1 ms 6748 KB Output is correct
19 Correct 1 ms 6748 KB Output is correct
20 Correct 1 ms 6748 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 1 ms 6748 KB Output is correct
23 Correct 1 ms 6748 KB Output is correct
24 Correct 1 ms 6748 KB Output is correct
25 Correct 1 ms 6748 KB Output is correct
26 Correct 1 ms 6748 KB Output is correct
27 Correct 1 ms 6748 KB Output is correct
28 Correct 1 ms 6748 KB Output is correct
29 Correct 1 ms 6748 KB Output is correct
30 Correct 1 ms 6744 KB Output is correct
31 Correct 1 ms 6748 KB Output is correct
32 Correct 1 ms 6748 KB Output is correct
33 Correct 1 ms 6748 KB Output is correct
34 Correct 1 ms 6748 KB Output is correct
35 Correct 1 ms 6748 KB Output is correct
36 Correct 1 ms 6744 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 2 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 2 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 2 ms 6748 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6744 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 1 ms 6744 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 1 ms 6748 KB Output is correct
18 Correct 2 ms 6744 KB Output is correct
19 Correct 2 ms 6748 KB Output is correct
20 Correct 3 ms 7004 KB Output is correct
21 Correct 3 ms 7000 KB Output is correct
22 Correct 23 ms 10224 KB Output is correct
23 Correct 21 ms 9936 KB Output is correct
24 Correct 24 ms 9976 KB Output is correct
25 Correct 20 ms 10064 KB Output is correct
26 Correct 25 ms 9988 KB Output is correct
27 Correct 19 ms 9932 KB Output is correct
28 Correct 22 ms 9812 KB Output is correct
29 Correct 22 ms 9868 KB Output is correct
30 Correct 23 ms 9808 KB Output is correct
31 Correct 23 ms 9820 KB Output is correct
32 Correct 19 ms 9812 KB Output is correct
33 Correct 20 ms 9812 KB Output is correct
34 Correct 20 ms 9812 KB Output is correct
35 Correct 1 ms 6748 KB Output is correct
36 Correct 1 ms 6748 KB Output is correct
37 Correct 20 ms 9860 KB Output is correct
38 Correct 21 ms 10120 KB Output is correct
39 Correct 20 ms 9812 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 6748 KB Output is correct
5 Correct 30 ms 15312 KB Output is correct
6 Correct 25 ms 10320 KB Output is correct
7 Correct 31 ms 15196 KB Output is correct
8 Correct 19 ms 9980 KB Output is correct
9 Correct 40 ms 15188 KB Output is correct
10 Correct 29 ms 12124 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 2 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6760 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 1 ms 6748 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 2 ms 6748 KB Output is correct
17 Correct 1 ms 6744 KB Output is correct
18 Correct 1 ms 6748 KB Output is correct
19 Correct 1 ms 6748 KB Output is correct
20 Correct 1 ms 6748 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 1 ms 6748 KB Output is correct
23 Correct 1 ms 6748 KB Output is correct
24 Correct 1 ms 6748 KB Output is correct
25 Correct 1 ms 6748 KB Output is correct
26 Correct 1 ms 6748 KB Output is correct
27 Correct 1 ms 6748 KB Output is correct
28 Correct 1 ms 6748 KB Output is correct
29 Correct 1 ms 6748 KB Output is correct
30 Correct 1 ms 6744 KB Output is correct
31 Correct 1 ms 6748 KB Output is correct
32 Correct 1 ms 6748 KB Output is correct
33 Correct 1 ms 6748 KB Output is correct
34 Correct 1 ms 6748 KB Output is correct
35 Correct 1 ms 6748 KB Output is correct
36 Correct 1 ms 6744 KB Output is correct
37 Correct 1 ms 6944 KB Output is correct
38 Correct 1 ms 6748 KB Output is correct
39 Correct 2 ms 6748 KB Output is correct
40 Correct 1 ms 6748 KB Output is correct
41 Correct 2 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 1 ms 6748 KB Output is correct
44 Correct 2 ms 6748 KB Output is correct
45 Correct 2 ms 6748 KB Output is correct
46 Correct 2 ms 6748 KB Output is correct
47 Correct 2 ms 6748 KB Output is correct
48 Correct 2 ms 6748 KB Output is correct
49 Correct 1 ms 6748 KB Output is correct
50 Correct 2 ms 6748 KB Output is correct
51 Correct 1 ms 6748 KB Output is correct
52 Correct 1 ms 6748 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6748 KB Output is correct
2 Correct 2 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6760 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 1 ms 6748 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 2 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 2 ms 6748 KB Output is correct
17 Correct 1 ms 6744 KB Output is correct
18 Correct 1 ms 6748 KB Output is correct
19 Correct 1 ms 6748 KB Output is correct
20 Correct 1 ms 6748 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 1 ms 6748 KB Output is correct
23 Correct 1 ms 6748 KB Output is correct
24 Correct 1 ms 6748 KB Output is correct
25 Correct 1 ms 6748 KB Output is correct
26 Correct 1 ms 6748 KB Output is correct
27 Correct 1 ms 6748 KB Output is correct
28 Correct 1 ms 6748 KB Output is correct
29 Correct 1 ms 6748 KB Output is correct
30 Correct 1 ms 6744 KB Output is correct
31 Correct 1 ms 6748 KB Output is correct
32 Correct 1 ms 6748 KB Output is correct
33 Correct 1 ms 6748 KB Output is correct
34 Correct 1 ms 6748 KB Output is correct
35 Correct 1 ms 6748 KB Output is correct
36 Correct 1 ms 6744 KB Output is correct
37 Correct 1 ms 6748 KB Output is correct
38 Correct 1 ms 6748 KB Output is correct
39 Correct 2 ms 6748 KB Output is correct
40 Correct 1 ms 6748 KB Output is correct
41 Correct 1 ms 6748 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 1 ms 6748 KB Output is correct
44 Correct 1 ms 6748 KB Output is correct
45 Correct 1 ms 6748 KB Output is correct
46 Correct 1 ms 6744 KB Output is correct
47 Correct 2 ms 6748 KB Output is correct
48 Correct 1 ms 6744 KB Output is correct
49 Correct 1 ms 6748 KB Output is correct
50 Correct 1 ms 6748 KB Output is correct
51 Correct 1 ms 6748 KB Output is correct
52 Correct 2 ms 6744 KB Output is correct
53 Correct 2 ms 6748 KB Output is correct
54 Correct 3 ms 7004 KB Output is correct
55 Correct 3 ms 7000 KB Output is correct
56 Correct 23 ms 10224 KB Output is correct
57 Correct 21 ms 9936 KB Output is correct
58 Correct 24 ms 9976 KB Output is correct
59 Correct 20 ms 10064 KB Output is correct
60 Correct 25 ms 9988 KB Output is correct
61 Correct 19 ms 9932 KB Output is correct
62 Correct 22 ms 9812 KB Output is correct
63 Correct 22 ms 9868 KB Output is correct
64 Correct 23 ms 9808 KB Output is correct
65 Correct 23 ms 9820 KB Output is correct
66 Correct 19 ms 9812 KB Output is correct
67 Correct 20 ms 9812 KB Output is correct
68 Correct 20 ms 9812 KB Output is correct
69 Correct 1 ms 6748 KB Output is correct
70 Correct 1 ms 6748 KB Output is correct
71 Correct 20 ms 9860 KB Output is correct
72 Correct 21 ms 10120 KB Output is correct
73 Correct 20 ms 9812 KB Output is correct
74 Correct 2 ms 6748 KB Output is correct
75 Correct 1 ms 6748 KB Output is correct
76 Correct 1 ms 6748 KB Output is correct
77 Correct 2 ms 6748 KB Output is correct
78 Correct 30 ms 15312 KB Output is correct
79 Correct 25 ms 10320 KB Output is correct
80 Correct 31 ms 15196 KB Output is correct
81 Correct 19 ms 9980 KB Output is correct
82 Correct 40 ms 15188 KB Output is correct
83 Correct 29 ms 12124 KB Output is correct
84 Correct 1 ms 6944 KB Output is correct
85 Correct 1 ms 6748 KB Output is correct
86 Correct 2 ms 6748 KB Output is correct
87 Correct 1 ms 6748 KB Output is correct
88 Correct 2 ms 6748 KB Output is correct
89 Correct 2 ms 6748 KB Output is correct
90 Correct 1 ms 6748 KB Output is correct
91 Correct 2 ms 6748 KB Output is correct
92 Correct 2 ms 6748 KB Output is correct
93 Correct 2 ms 6748 KB Output is correct
94 Correct 2 ms 6748 KB Output is correct
95 Correct 2 ms 6748 KB Output is correct
96 Correct 1 ms 6748 KB Output is correct
97 Correct 2 ms 6748 KB Output is correct
98 Correct 1 ms 6748 KB Output is correct
99 Correct 1 ms 6748 KB Output is correct
100 Correct 2 ms 6744 KB Output is correct
101 Correct 5 ms 7516 KB Output is correct
102 Correct 5 ms 7000 KB Output is correct
103 Correct 46 ms 16468 KB Output is correct
104 Correct 34 ms 16388 KB Output is correct
105 Correct 34 ms 13660 KB Output is correct
106 Correct 44 ms 16472 KB Output is correct
107 Correct 29 ms 11716 KB Output is correct
108 Correct 30 ms 12112 KB Output is correct
109 Correct 21 ms 11472 KB Output is correct
110 Correct 24 ms 11256 KB Output is correct
111 Correct 34 ms 15724 KB Output is correct
112 Correct 35 ms 14976 KB Output is correct
113 Correct 29 ms 11860 KB Output is correct
114 Correct 31 ms 16476 KB Output is correct
115 Correct 30 ms 16476 KB Output is correct