oj.uz

Submission #143344

# Submission time Handle Problem Language Result Execution time Memory
143344 2019-08-13T17:32:04 Z pzdba Arranging Shoes (IOI19_shoes) C++14
100 / 100
 108 ms 15352 KB 
#include <bits/stdc++.h>
using namespace std;

vector<int> s[200001];
int j[200001];
bool vis[200001];
int p[200001];

int ft[200001];
void update(int i, int v){
    for(;i<=200000;i+=(i&-i)) ft[i] += v;
}
int query(int i){
    int ans = 0;
    for(;i>0;i-=(i&-i)) ans+=ft[i];
    return ans;
}

long long count_swaps(vector<int> S){
    int n = S.size()/2;
    for(int i=0;i<n+n;i++){
        if(S[i] < 0) S[i] = -S[i];
        else S[i] += n;
        s[S[i]].push_back(i);
        p[i] = -1;
    }

    for(int i=0;i<n+n;i++){
        if(vis[i]) continue;
        vis[i] = 1;

        if(S[i] > n){
            int l = S[i]-n;
            int r = S[i];
            p[i] = s[l][j[l]];
            vis[p[i]] = 1;
            j[l]++;
            j[r]++;
        }
        else{
            int l = S[i];
            int r = S[i]+n;
            p[i] = s[r][j[r]];
            vis[p[i]] = 1;
            j[r]++;
            j[l]++;
        }
    }
    long long ans = 0;
    for(int i=0;i<n+n;i++){
        if(p[i] == -1) continue;
        int l = i, r = p[i];
        int l2 = l + query(200000) - query(l);
        int r2 = r + query(200000) - query(r);
        ans += r2-l2-1;
        if(S[i] > n) ans++;
        update(r, 1);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5084 KB Output is correct
4 Correct 6 ms 5032 KB Output is correct
5 Correct 6 ms 5112 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 7 ms 5020 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5088 KB Output is correct
16 Correct 6 ms 5084 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 6 ms 5028 KB Output is correct
19 Correct 6 ms 4988 KB Output is correct
20 Correct 6 ms 5052 KB Output is correct
21 Correct 6 ms 4988 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 5112 KB Output is correct
25 Correct 6 ms 5020 KB Output is correct
26 Correct 6 ms 5032 KB Output is correct
27 Correct 6 ms 4984 KB Output is correct
28 Correct 6 ms 5112 KB Output is correct
29 Correct 6 ms 5084 KB Output is correct
30 Correct 6 ms 5112 KB Output is correct
31 Correct 0 ms 4984 KB Output is correct
32 Correct 6 ms 5112 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 6 ms 5116 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 5084 KB Output is correct
9 Correct 6 ms 5112 KB Output is correct
10 Correct 6 ms 5112 KB Output is correct
11 Correct 6 ms 5084 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 5084 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 7 ms 5084 KB Output is correct
18 Correct 7 ms 5112 KB Output is correct
19 Correct 7 ms 5088 KB Output is correct
20 Correct 10 ms 5496 KB Output is correct
21 Correct 10 ms 5540 KB Output is correct
22 Correct 47 ms 9212 KB Output is correct
23 Correct 41 ms 9296 KB Output is correct
24 Correct 47 ms 9296 KB Output is correct
25 Correct 41 ms 8916 KB Output is correct
26 Correct 47 ms 9296 KB Output is correct
27 Correct 40 ms 9376 KB Output is correct
28 Correct 41 ms 8916 KB Output is correct
29 Correct 41 ms 8820 KB Output is correct
30 Correct 41 ms 8920 KB Output is correct
31 Correct 47 ms 9348 KB Output is correct
32 Correct 41 ms 8944 KB Output is correct
33 Correct 41 ms 8816 KB Output is correct
34 Correct 41 ms 8816 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 5116 KB Output is correct
37 Correct 41 ms 8868 KB Output is correct
38 Correct 41 ms 8816 KB Output is correct
39 Correct 42 ms 8944 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 5084 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 85 ms 15020 KB Output is correct
6 Correct 64 ms 10244 KB Output is correct
7 Correct 82 ms 15052 KB Output is correct
8 Correct 46 ms 8976 KB Output is correct
9 Correct 85 ms 15008 KB Output is correct
10 Correct 105 ms 11896 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5084 KB Output is correct
4 Correct 6 ms 5032 KB Output is correct
5 Correct 6 ms 5112 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 7 ms 5020 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5088 KB Output is correct
16 Correct 6 ms 5084 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 6 ms 5028 KB Output is correct
19 Correct 6 ms 4988 KB Output is correct
20 Correct 6 ms 5052 KB Output is correct
21 Correct 6 ms 4988 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 5112 KB Output is correct
25 Correct 6 ms 5020 KB Output is correct
26 Correct 6 ms 5032 KB Output is correct
27 Correct 6 ms 4984 KB Output is correct
28 Correct 6 ms 5112 KB Output is correct
29 Correct 6 ms 5084 KB Output is correct
30 Correct 6 ms 5112 KB Output is correct
31 Correct 0 ms 4984 KB Output is correct
32 Correct 6 ms 5112 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 5116 KB Output is correct
38 Correct 6 ms 4984 KB Output is correct
39 Correct 6 ms 5112 KB Output is correct
40 Correct 6 ms 5112 KB Output is correct
41 Correct 7 ms 5112 KB Output is correct
42 Correct 7 ms 5112 KB Output is correct
43 Correct 7 ms 5112 KB Output is correct
44 Correct 8 ms 5084 KB Output is correct
45 Correct 8 ms 5112 KB Output is correct
46 Correct 8 ms 5084 KB Output is correct
47 Correct 8 ms 5084 KB Output is correct
48 Correct 7 ms 5112 KB Output is correct
49 Correct 7 ms 5112 KB Output is correct
50 Correct 8 ms 5112 KB Output is correct
51 Correct 6 ms 5112 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5084 KB Output is correct
4 Correct 6 ms 5032 KB Output is correct
5 Correct 6 ms 5112 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 7 ms 5020 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5088 KB Output is correct
16 Correct 6 ms 5084 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 6 ms 5028 KB Output is correct
19 Correct 6 ms 4988 KB Output is correct
20 Correct 6 ms 5052 KB Output is correct
21 Correct 6 ms 4988 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 5112 KB Output is correct
25 Correct 6 ms 5020 KB Output is correct
26 Correct 6 ms 5032 KB Output is correct
27 Correct 6 ms 4984 KB Output is correct
28 Correct 6 ms 5112 KB Output is correct
29 Correct 6 ms 5084 KB Output is correct
30 Correct 6 ms 5112 KB Output is correct
31 Correct 0 ms 4984 KB Output is correct
32 Correct 6 ms 5112 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 5112 KB Output is correct
38 Correct 6 ms 5112 KB Output is correct
39 Correct 6 ms 5116 KB Output is correct
40 Correct 6 ms 4984 KB Output is correct
41 Correct 6 ms 4984 KB Output is correct
42 Correct 6 ms 5084 KB Output is correct
43 Correct 6 ms 5112 KB Output is correct
44 Correct 6 ms 5112 KB Output is correct
45 Correct 6 ms 5084 KB Output is correct
46 Correct 6 ms 4984 KB Output is correct
47 Correct 6 ms 4984 KB Output is correct
48 Correct 6 ms 4984 KB Output is correct
49 Correct 6 ms 5084 KB Output is correct
50 Correct 6 ms 4984 KB Output is correct
51 Correct 7 ms 5084 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct
53 Correct 7 ms 5088 KB Output is correct
54 Correct 10 ms 5496 KB Output is correct
55 Correct 10 ms 5540 KB Output is correct
56 Correct 47 ms 9212 KB Output is correct
57 Correct 41 ms 9296 KB Output is correct
58 Correct 47 ms 9296 KB Output is correct
59 Correct 41 ms 8916 KB Output is correct
60 Correct 47 ms 9296 KB Output is correct
61 Correct 40 ms 9376 KB Output is correct
62 Correct 41 ms 8916 KB Output is correct
63 Correct 41 ms 8820 KB Output is correct
64 Correct 41 ms 8920 KB Output is correct
65 Correct 47 ms 9348 KB Output is correct
66 Correct 41 ms 8944 KB Output is correct
67 Correct 41 ms 8816 KB Output is correct
68 Correct 41 ms 8816 KB Output is correct
69 Correct 6 ms 4984 KB Output is correct
70 Correct 6 ms 5116 KB Output is correct
71 Correct 41 ms 8868 KB Output is correct
72 Correct 41 ms 8816 KB Output is correct
73 Correct 42 ms 8944 KB Output is correct
74 Correct 6 ms 4984 KB Output is correct
75 Correct 6 ms 5084 KB Output is correct
76 Correct 6 ms 5112 KB Output is correct
77 Correct 6 ms 5112 KB Output is correct
78 Correct 85 ms 15020 KB Output is correct
79 Correct 64 ms 10244 KB Output is correct
80 Correct 82 ms 15052 KB Output is correct
81 Correct 46 ms 8976 KB Output is correct
82 Correct 85 ms 15008 KB Output is correct
83 Correct 105 ms 11896 KB Output is correct
84 Correct 6 ms 5116 KB Output is correct
85 Correct 6 ms 4984 KB Output is correct
86 Correct 6 ms 5112 KB Output is correct
87 Correct 6 ms 5112 KB Output is correct
88 Correct 7 ms 5112 KB Output is correct
89 Correct 7 ms 5112 KB Output is correct
90 Correct 7 ms 5112 KB Output is correct
91 Correct 8 ms 5084 KB Output is correct
92 Correct 8 ms 5112 KB Output is correct
93 Correct 8 ms 5084 KB Output is correct
94 Correct 8 ms 5084 KB Output is correct
95 Correct 7 ms 5112 KB Output is correct
96 Correct 7 ms 5112 KB Output is correct
97 Correct 8 ms 5112 KB Output is correct
98 Correct 6 ms 5112 KB Output is correct
99 Correct 7 ms 5112 KB Output is correct
100 Correct 7 ms 5108 KB Output is correct
101 Correct 13 ms 6008 KB Output is correct
102 Correct 13 ms 5624 KB Output is correct
103 Correct 107 ms 15340 KB Output is correct
104 Correct 94 ms 15352 KB Output is correct
105 Correct 108 ms 12768 KB Output is correct
106 Correct 83 ms 14968 KB Output is correct
107 Correct 74 ms 10772 KB Output is correct
108 Correct 72 ms 11104 KB Output is correct
109 Correct 43 ms 9224 KB Output is correct
110 Correct 41 ms 8812 KB Output is correct
111 Correct 89 ms 14308 KB Output is correct
112 Correct 99 ms 13944 KB Output is correct
113 Correct 72 ms 10256 KB Output is correct
114 Correct 80 ms 14944 KB Output is correct
115 Correct 82 ms 14940 KB Output is correct