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Submission #672861

# Submission time Handle Problem Language Result Execution time Memory
672861 2022-12-18T15:30:29 Z tbzard Arranging Shoes (IOI19_shoes) C++14
100 / 100
 121 ms 139336 KB 
#include <bits/stdc++.h>
using namespace std;
int pos[200002], t[200002];
queue<int> q[200002];
int query(int i){
    int ans = 0;
    for(;i>0;i-=(i&-i)) ans += t[i];
    return ans;
}
void update(int i){
    for(;i<=200000;i+=(i&-i)) t[i]++;
}
long long count_swaps(vector<int> s){
    int n = s.size()/2;
    for(int i=n+n;i>=1;i--){
        if(q[-s[i-1]+n].empty()) q[s[i-1]+n].push(i);
        else pos[i] = q[-s[i-1]+n].front(), q[-s[i-1]+n].pop();
    }
    long long ans = 0;
    for(int i=1;i<=n+n;i++){
        if(pos[i] == 0) continue;
        int cur_pos1 = i + query(n+n) - query(i);
        int cur_pos2 = pos[i] + query(n+n) - query(pos[i]);
        ans += cur_pos2 - cur_pos1 - 1;
        if(s[i-1] > 0) ans++;
        update(pos[i]);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 134908 KB Output is correct
2 Correct 76 ms 134840 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 134908 KB Output is correct
2 Correct 76 ms 134840 KB Output is correct
3 Correct 76 ms 134892 KB Output is correct
4 Correct 87 ms 134888 KB Output is correct
5 Correct 77 ms 134868 KB Output is correct
6 Correct 78 ms 134916 KB Output is correct
7 Correct 77 ms 134884 KB Output is correct
8 Correct 77 ms 134860 KB Output is correct
9 Correct 78 ms 134924 KB Output is correct
10 Correct 77 ms 134940 KB Output is correct
11 Correct 80 ms 134908 KB Output is correct
12 Correct 75 ms 134904 KB Output is correct
13 Correct 77 ms 134864 KB Output is correct
14 Correct 77 ms 134860 KB Output is correct
15 Correct 78 ms 134880 KB Output is correct
16 Correct 79 ms 134848 KB Output is correct
17 Correct 78 ms 135116 KB Output is correct
18 Correct 78 ms 134952 KB Output is correct
19 Correct 78 ms 134904 KB Output is correct
20 Correct 76 ms 134920 KB Output is correct
21 Correct 80 ms 134896 KB Output is correct
22 Correct 79 ms 134920 KB Output is correct
23 Correct 77 ms 134864 KB Output is correct
24 Correct 73 ms 134968 KB Output is correct
25 Correct 78 ms 134972 KB Output is correct
26 Correct 77 ms 134964 KB Output is correct
27 Correct 79 ms 134860 KB Output is correct
28 Correct 78 ms 134844 KB Output is correct
29 Correct 78 ms 134892 KB Output is correct
30 Correct 76 ms 134904 KB Output is correct
31 Correct 77 ms 134924 KB Output is correct
32 Correct 79 ms 134892 KB Output is correct
33 Correct 79 ms 134904 KB Output is correct
34 Correct 78 ms 134860 KB Output is correct
35 Correct 80 ms 134860 KB Output is correct
36 Correct 78 ms 134880 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 134908 KB Output is correct
2 Correct 76 ms 134840 KB Output is correct
3 Correct 86 ms 134868 KB Output is correct
4 Correct 81 ms 134936 KB Output is correct
5 Correct 79 ms 134848 KB Output is correct
6 Correct 81 ms 134856 KB Output is correct
7 Correct 81 ms 134960 KB Output is correct
8 Correct 84 ms 134932 KB Output is correct
9 Correct 83 ms 134920 KB Output is correct
10 Correct 76 ms 134856 KB Output is correct
11 Correct 79 ms 134908 KB Output is correct
12 Correct 75 ms 134952 KB Output is correct
13 Correct 81 ms 134972 KB Output is correct
14 Correct 74 ms 134860 KB Output is correct
15 Correct 75 ms 134892 KB Output is correct
16 Correct 78 ms 134880 KB Output is correct
17 Correct 77 ms 134860 KB Output is correct
18 Correct 82 ms 134904 KB Output is correct
19 Correct 81 ms 134972 KB Output is correct
20 Correct 82 ms 135252 KB Output is correct
21 Correct 82 ms 135252 KB Output is correct
22 Correct 108 ms 139292 KB Output is correct
23 Correct 103 ms 139308 KB Output is correct
24 Correct 104 ms 139336 KB Output is correct
25 Correct 101 ms 138744 KB Output is correct
26 Correct 105 ms 139220 KB Output is correct
27 Correct 102 ms 139084 KB Output is correct
28 Correct 106 ms 138908 KB Output is correct
29 Correct 105 ms 138900 KB Output is correct
30 Correct 116 ms 138904 KB Output is correct
31 Correct 105 ms 139252 KB Output is correct
32 Correct 106 ms 138912 KB Output is correct
33 Correct 104 ms 138744 KB Output is correct
34 Correct 99 ms 138936 KB Output is correct
35 Correct 79 ms 134860 KB Output is correct
36 Correct 78 ms 134840 KB Output is correct
37 Correct 106 ms 138960 KB Output is correct
38 Correct 102 ms 138908 KB Output is correct
39 Correct 100 ms 138856 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 134860 KB Output is correct
2 Correct 84 ms 134908 KB Output is correct
3 Correct 75 ms 134860 KB Output is correct
4 Correct 78 ms 134860 KB Output is correct
5 Correct 114 ms 137416 KB Output is correct
6 Correct 106 ms 137400 KB Output is correct
7 Correct 114 ms 138444 KB Output is correct
8 Correct 103 ms 138868 KB Output is correct
9 Correct 114 ms 138524 KB Output is correct
10 Correct 121 ms 138444 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 134908 KB Output is correct
2 Correct 76 ms 134840 KB Output is correct
3 Correct 76 ms 134892 KB Output is correct
4 Correct 87 ms 134888 KB Output is correct
5 Correct 77 ms 134868 KB Output is correct
6 Correct 78 ms 134916 KB Output is correct
7 Correct 77 ms 134884 KB Output is correct
8 Correct 77 ms 134860 KB Output is correct
9 Correct 78 ms 134924 KB Output is correct
10 Correct 77 ms 134940 KB Output is correct
11 Correct 80 ms 134908 KB Output is correct
12 Correct 75 ms 134904 KB Output is correct
13 Correct 77 ms 134864 KB Output is correct
14 Correct 77 ms 134860 KB Output is correct
15 Correct 78 ms 134880 KB Output is correct
16 Correct 79 ms 134848 KB Output is correct
17 Correct 78 ms 135116 KB Output is correct
18 Correct 78 ms 134952 KB Output is correct
19 Correct 78 ms 134904 KB Output is correct
20 Correct 76 ms 134920 KB Output is correct
21 Correct 80 ms 134896 KB Output is correct
22 Correct 79 ms 134920 KB Output is correct
23 Correct 77 ms 134864 KB Output is correct
24 Correct 73 ms 134968 KB Output is correct
25 Correct 78 ms 134972 KB Output is correct
26 Correct 77 ms 134964 KB Output is correct
27 Correct 79 ms 134860 KB Output is correct
28 Correct 78 ms 134844 KB Output is correct
29 Correct 78 ms 134892 KB Output is correct
30 Correct 76 ms 134904 KB Output is correct
31 Correct 77 ms 134924 KB Output is correct
32 Correct 79 ms 134892 KB Output is correct
33 Correct 79 ms 134904 KB Output is correct
34 Correct 78 ms 134860 KB Output is correct
35 Correct 80 ms 134860 KB Output is correct
36 Correct 78 ms 134880 KB Output is correct
37 Correct 77 ms 134880 KB Output is correct
38 Correct 82 ms 134860 KB Output is correct
39 Correct 79 ms 134964 KB Output is correct
40 Correct 80 ms 134848 KB Output is correct
41 Correct 78 ms 134988 KB Output is correct
42 Correct 79 ms 134976 KB Output is correct
43 Correct 80 ms 134880 KB Output is correct
44 Correct 77 ms 134936 KB Output is correct
45 Correct 77 ms 134952 KB Output is correct
46 Correct 78 ms 134972 KB Output is correct
47 Correct 79 ms 134944 KB Output is correct
48 Correct 80 ms 134968 KB Output is correct
49 Correct 74 ms 134892 KB Output is correct
50 Correct 78 ms 134884 KB Output is correct
51 Correct 79 ms 134988 KB Output is correct
52 Correct 78 ms 134884 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 134908 KB Output is correct
2 Correct 76 ms 134840 KB Output is correct
3 Correct 76 ms 134892 KB Output is correct
4 Correct 87 ms 134888 KB Output is correct
5 Correct 77 ms 134868 KB Output is correct
6 Correct 78 ms 134916 KB Output is correct
7 Correct 77 ms 134884 KB Output is correct
8 Correct 77 ms 134860 KB Output is correct
9 Correct 78 ms 134924 KB Output is correct
10 Correct 77 ms 134940 KB Output is correct
11 Correct 80 ms 134908 KB Output is correct
12 Correct 75 ms 134904 KB Output is correct
13 Correct 77 ms 134864 KB Output is correct
14 Correct 77 ms 134860 KB Output is correct
15 Correct 78 ms 134880 KB Output is correct
16 Correct 79 ms 134848 KB Output is correct
17 Correct 78 ms 135116 KB Output is correct
18 Correct 78 ms 134952 KB Output is correct
19 Correct 78 ms 134904 KB Output is correct
20 Correct 76 ms 134920 KB Output is correct
21 Correct 80 ms 134896 KB Output is correct
22 Correct 79 ms 134920 KB Output is correct
23 Correct 77 ms 134864 KB Output is correct
24 Correct 73 ms 134968 KB Output is correct
25 Correct 78 ms 134972 KB Output is correct
26 Correct 77 ms 134964 KB Output is correct
27 Correct 79 ms 134860 KB Output is correct
28 Correct 78 ms 134844 KB Output is correct
29 Correct 78 ms 134892 KB Output is correct
30 Correct 76 ms 134904 KB Output is correct
31 Correct 77 ms 134924 KB Output is correct
32 Correct 79 ms 134892 KB Output is correct
33 Correct 79 ms 134904 KB Output is correct
34 Correct 78 ms 134860 KB Output is correct
35 Correct 80 ms 134860 KB Output is correct
36 Correct 78 ms 134880 KB Output is correct
37 Correct 86 ms 134868 KB Output is correct
38 Correct 81 ms 134936 KB Output is correct
39 Correct 79 ms 134848 KB Output is correct
40 Correct 81 ms 134856 KB Output is correct
41 Correct 81 ms 134960 KB Output is correct
42 Correct 84 ms 134932 KB Output is correct
43 Correct 83 ms 134920 KB Output is correct
44 Correct 76 ms 134856 KB Output is correct
45 Correct 79 ms 134908 KB Output is correct
46 Correct 75 ms 134952 KB Output is correct
47 Correct 81 ms 134972 KB Output is correct
48 Correct 74 ms 134860 KB Output is correct
49 Correct 75 ms 134892 KB Output is correct
50 Correct 78 ms 134880 KB Output is correct
51 Correct 77 ms 134860 KB Output is correct
52 Correct 82 ms 134904 KB Output is correct
53 Correct 81 ms 134972 KB Output is correct
54 Correct 82 ms 135252 KB Output is correct
55 Correct 82 ms 135252 KB Output is correct
56 Correct 108 ms 139292 KB Output is correct
57 Correct 103 ms 139308 KB Output is correct
58 Correct 104 ms 139336 KB Output is correct
59 Correct 101 ms 138744 KB Output is correct
60 Correct 105 ms 139220 KB Output is correct
61 Correct 102 ms 139084 KB Output is correct
62 Correct 106 ms 138908 KB Output is correct
63 Correct 105 ms 138900 KB Output is correct
64 Correct 116 ms 138904 KB Output is correct
65 Correct 105 ms 139252 KB Output is correct
66 Correct 106 ms 138912 KB Output is correct
67 Correct 104 ms 138744 KB Output is correct
68 Correct 99 ms 138936 KB Output is correct
69 Correct 79 ms 134860 KB Output is correct
70 Correct 78 ms 134840 KB Output is correct
71 Correct 106 ms 138960 KB Output is correct
72 Correct 102 ms 138908 KB Output is correct
73 Correct 100 ms 138856 KB Output is correct
74 Correct 76 ms 134860 KB Output is correct
75 Correct 84 ms 134908 KB Output is correct
76 Correct 75 ms 134860 KB Output is correct
77 Correct 78 ms 134860 KB Output is correct
78 Correct 114 ms 137416 KB Output is correct
79 Correct 106 ms 137400 KB Output is correct
80 Correct 114 ms 138444 KB Output is correct
81 Correct 103 ms 138868 KB Output is correct
82 Correct 114 ms 138524 KB Output is correct
83 Correct 121 ms 138444 KB Output is correct
84 Correct 77 ms 134880 KB Output is correct
85 Correct 82 ms 134860 KB Output is correct
86 Correct 79 ms 134964 KB Output is correct
87 Correct 80 ms 134848 KB Output is correct
88 Correct 78 ms 134988 KB Output is correct
89 Correct 79 ms 134976 KB Output is correct
90 Correct 80 ms 134880 KB Output is correct
91 Correct 77 ms 134936 KB Output is correct
92 Correct 77 ms 134952 KB Output is correct
93 Correct 78 ms 134972 KB Output is correct
94 Correct 79 ms 134944 KB Output is correct
95 Correct 80 ms 134968 KB Output is correct
96 Correct 74 ms 134892 KB Output is correct
97 Correct 78 ms 134884 KB Output is correct
98 Correct 79 ms 134988 KB Output is correct
99 Correct 78 ms 134884 KB Output is correct
100 Correct 78 ms 134936 KB Output is correct
101 Correct 87 ms 135376 KB Output is correct
102 Correct 80 ms 135280 KB Output is correct
103 Correct 121 ms 139220 KB Output is correct
104 Correct 112 ms 139328 KB Output is correct
105 Correct 117 ms 139308 KB Output is correct
106 Correct 113 ms 138492 KB Output is correct
107 Correct 112 ms 139212 KB Output is correct
108 Correct 113 ms 139212 KB Output is correct
109 Correct 109 ms 138908 KB Output is correct
110 Correct 107 ms 138976 KB Output is correct
111 Correct 112 ms 138480 KB Output is correct
112 Correct 120 ms 139288 KB Output is correct
113 Correct 108 ms 138504 KB Output is correct
114 Correct 111 ms 138524 KB Output is correct
115 Correct 115 ms 138524 KB Output is correct