oj.uz

Submission #485974

# Submission time Handle Problem Language Result Execution time Memory
485974 2021-11-10T02:41:54 Z qwerasdfzxcl Arranging Shoes (IOI19_shoes) C++14
100 / 100
 59 ms 8824 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int v1[200200];
vector<int> pos[100100];
struct Seg{
    int tree[200200], sz;
    void update(int p, int x){while(p<=sz){tree[p]+=x; p+=p&-p;}}
    int query(int r){
        int ret = 0;
        while(r){
            ret += tree[r];
            r ^= r&-r;
        }
        return ret;
    }
}tree;

long long count_swaps(std::vector<int> s) {
  	int n = s.size()/2;
    for (int i=n*2-1;i>=0;i--) if (s[i]<0) pos[-s[i]].push_back(i);
    ll ret = 0;
    for (int i=0;i<n*2;i++) if (s[i]>0){
        if (i<pos[s[i]].back()){
            ret += pos[s[i]].back()-i+1;
            v1[pos[s[i]].back()] = i+1;
        }
        else{
            ret += i-pos[s[i]].back()-1;
            v1[i] = pos[s[i]].back()+1;
        }

        pos[s[i]].pop_back();
    }

    tree.sz=n*2;
    for (int i=0;i<n*2;i++){
        if (v1[i]){
            tree.update(v1[i], -1);
            ret += tree.query(v1[i])*2;
        }
        else tree.update(i+1, 1);
    }
    return ret>>1;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 3 ms 2636 KB Output is correct
4 Correct 3 ms 2636 KB Output is correct
5 Correct 3 ms 2636 KB Output is correct
6 Correct 3 ms 2636 KB Output is correct
7 Correct 3 ms 2636 KB Output is correct
8 Correct 3 ms 2636 KB Output is correct
9 Correct 3 ms 2636 KB Output is correct
10 Correct 3 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 3 ms 2636 KB Output is correct
15 Correct 3 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 3 ms 2636 KB Output is correct
18 Correct 3 ms 2636 KB Output is correct
19 Correct 4 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 3 ms 2636 KB Output is correct
24 Correct 3 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 3 ms 2636 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 3 ms 2636 KB Output is correct
31 Correct 3 ms 2636 KB Output is correct
32 Correct 3 ms 2636 KB Output is correct
33 Correct 2 ms 2636 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 3 ms 2636 KB Output is correct
9 Correct 3 ms 2636 KB Output is correct
10 Correct 3 ms 2636 KB Output is correct
11 Correct 4 ms 2636 KB Output is correct
12 Correct 3 ms 2636 KB Output is correct
13 Correct 3 ms 2636 KB Output is correct
14 Correct 3 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 3 ms 2636 KB Output is correct
18 Correct 3 ms 2636 KB Output is correct
19 Correct 3 ms 2636 KB Output is correct
20 Correct 5 ms 3020 KB Output is correct
21 Correct 5 ms 2988 KB Output is correct
22 Correct 28 ms 6296 KB Output is correct
23 Correct 28 ms 6212 KB Output is correct
24 Correct 28 ms 6256 KB Output is correct
25 Correct 24 ms 5492 KB Output is correct
26 Correct 28 ms 6264 KB Output is correct
27 Correct 27 ms 6308 KB Output is correct
28 Correct 24 ms 5472 KB Output is correct
29 Correct 24 ms 5492 KB Output is correct
30 Correct 23 ms 5572 KB Output is correct
31 Correct 31 ms 6168 KB Output is correct
32 Correct 24 ms 5492 KB Output is correct
33 Correct 27 ms 5492 KB Output is correct
34 Correct 26 ms 5500 KB Output is correct
35 Correct 3 ms 2636 KB Output is correct
36 Correct 3 ms 2636 KB Output is correct
37 Correct 23 ms 5488 KB Output is correct
38 Correct 24 ms 5500 KB Output is correct
39 Correct 24 ms 5488 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 3 ms 2636 KB Output is correct
5 Correct 34 ms 8140 KB Output is correct
6 Correct 28 ms 5836 KB Output is correct
7 Correct 29 ms 8132 KB Output is correct
8 Correct 23 ms 5520 KB Output is correct
9 Correct 30 ms 8064 KB Output is correct
10 Correct 30 ms 6528 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 3 ms 2636 KB Output is correct
4 Correct 3 ms 2636 KB Output is correct
5 Correct 3 ms 2636 KB Output is correct
6 Correct 3 ms 2636 KB Output is correct
7 Correct 3 ms 2636 KB Output is correct
8 Correct 3 ms 2636 KB Output is correct
9 Correct 3 ms 2636 KB Output is correct
10 Correct 3 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 3 ms 2636 KB Output is correct
15 Correct 3 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 3 ms 2636 KB Output is correct
18 Correct 3 ms 2636 KB Output is correct
19 Correct 4 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 3 ms 2636 KB Output is correct
24 Correct 3 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 3 ms 2636 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 3 ms 2636 KB Output is correct
31 Correct 3 ms 2636 KB Output is correct
32 Correct 3 ms 2636 KB Output is correct
33 Correct 2 ms 2636 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 3 ms 2636 KB Output is correct
38 Correct 2 ms 2636 KB Output is correct
39 Correct 2 ms 2636 KB Output is correct
40 Correct 3 ms 2636 KB Output is correct
41 Correct 3 ms 2636 KB Output is correct
42 Correct 3 ms 2636 KB Output is correct
43 Correct 3 ms 2636 KB Output is correct
44 Correct 3 ms 2636 KB Output is correct
45 Correct 3 ms 2660 KB Output is correct
46 Correct 3 ms 2636 KB Output is correct
47 Correct 4 ms 2636 KB Output is correct
48 Correct 3 ms 2636 KB Output is correct
49 Correct 3 ms 2636 KB Output is correct
50 Correct 3 ms 2636 KB Output is correct
51 Correct 3 ms 2636 KB Output is correct
52 Correct 3 ms 2636 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 3 ms 2636 KB Output is correct
4 Correct 3 ms 2636 KB Output is correct
5 Correct 3 ms 2636 KB Output is correct
6 Correct 3 ms 2636 KB Output is correct
7 Correct 3 ms 2636 KB Output is correct
8 Correct 3 ms 2636 KB Output is correct
9 Correct 3 ms 2636 KB Output is correct
10 Correct 3 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 3 ms 2636 KB Output is correct
15 Correct 3 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 3 ms 2636 KB Output is correct
18 Correct 3 ms 2636 KB Output is correct
19 Correct 4 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 3 ms 2636 KB Output is correct
24 Correct 3 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 3 ms 2636 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 3 ms 2636 KB Output is correct
31 Correct 3 ms 2636 KB Output is correct
32 Correct 3 ms 2636 KB Output is correct
33 Correct 2 ms 2636 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 2 ms 2636 KB Output is correct
39 Correct 2 ms 2636 KB Output is correct
40 Correct 2 ms 2636 KB Output is correct
41 Correct 2 ms 2636 KB Output is correct
42 Correct 3 ms 2636 KB Output is correct
43 Correct 3 ms 2636 KB Output is correct
44 Correct 3 ms 2636 KB Output is correct
45 Correct 4 ms 2636 KB Output is correct
46 Correct 3 ms 2636 KB Output is correct
47 Correct 3 ms 2636 KB Output is correct
48 Correct 3 ms 2636 KB Output is correct
49 Correct 2 ms 2636 KB Output is correct
50 Correct 3 ms 2636 KB Output is correct
51 Correct 3 ms 2636 KB Output is correct
52 Correct 3 ms 2636 KB Output is correct
53 Correct 3 ms 2636 KB Output is correct
54 Correct 5 ms 3020 KB Output is correct
55 Correct 5 ms 2988 KB Output is correct
56 Correct 28 ms 6296 KB Output is correct
57 Correct 28 ms 6212 KB Output is correct
58 Correct 28 ms 6256 KB Output is correct
59 Correct 24 ms 5492 KB Output is correct
60 Correct 28 ms 6264 KB Output is correct
61 Correct 27 ms 6308 KB Output is correct
62 Correct 24 ms 5472 KB Output is correct
63 Correct 24 ms 5492 KB Output is correct
64 Correct 23 ms 5572 KB Output is correct
65 Correct 31 ms 6168 KB Output is correct
66 Correct 24 ms 5492 KB Output is correct
67 Correct 27 ms 5492 KB Output is correct
68 Correct 26 ms 5500 KB Output is correct
69 Correct 3 ms 2636 KB Output is correct
70 Correct 3 ms 2636 KB Output is correct
71 Correct 23 ms 5488 KB Output is correct
72 Correct 24 ms 5500 KB Output is correct
73 Correct 24 ms 5488 KB Output is correct
74 Correct 2 ms 2636 KB Output is correct
75 Correct 2 ms 2636 KB Output is correct
76 Correct 2 ms 2636 KB Output is correct
77 Correct 3 ms 2636 KB Output is correct
78 Correct 34 ms 8140 KB Output is correct
79 Correct 28 ms 5836 KB Output is correct
80 Correct 29 ms 8132 KB Output is correct
81 Correct 23 ms 5520 KB Output is correct
82 Correct 30 ms 8064 KB Output is correct
83 Correct 30 ms 6528 KB Output is correct
84 Correct 3 ms 2636 KB Output is correct
85 Correct 2 ms 2636 KB Output is correct
86 Correct 2 ms 2636 KB Output is correct
87 Correct 3 ms 2636 KB Output is correct
88 Correct 3 ms 2636 KB Output is correct
89 Correct 3 ms 2636 KB Output is correct
90 Correct 3 ms 2636 KB Output is correct
91 Correct 3 ms 2636 KB Output is correct
92 Correct 3 ms 2660 KB Output is correct
93 Correct 3 ms 2636 KB Output is correct
94 Correct 4 ms 2636 KB Output is correct
95 Correct 3 ms 2636 KB Output is correct
96 Correct 3 ms 2636 KB Output is correct
97 Correct 3 ms 2636 KB Output is correct
98 Correct 3 ms 2636 KB Output is correct
99 Correct 3 ms 2636 KB Output is correct
100 Correct 3 ms 2636 KB Output is correct
101 Correct 6 ms 3148 KB Output is correct
102 Correct 7 ms 3020 KB Output is correct
103 Correct 59 ms 8824 KB Output is correct
104 Correct 36 ms 8816 KB Output is correct
105 Correct 38 ms 7544 KB Output is correct
106 Correct 36 ms 8052 KB Output is correct
107 Correct 39 ms 6584 KB Output is correct
108 Correct 35 ms 6656 KB Output is correct
109 Correct 24 ms 5444 KB Output is correct
110 Correct 23 ms 5492 KB Output is correct
111 Correct 32 ms 7668 KB Output is correct
112 Correct 40 ms 8176 KB Output is correct
113 Correct 29 ms 5732 KB Output is correct
114 Correct 31 ms 8096 KB Output is correct
115 Correct 30 ms 8140 KB Output is correct