oj.uz

Submission #593464

# Submission time Handle Problem Language Result Execution time Memory
593464 2022-07-11T08:38:56 Z PoonYaPat Arranging Shoes (IOI19_shoes) C++14
100 / 100
 153 ms 140444 KB 
#include "shoes.h"
//#include "grader.cpp"

#include <bits/stdc++.h>
using namespace std;

queue<int> v[200001];
long long fen[200001];
bool gone[200001];

long long find(int x) {
    if (x==0) return 0;
    long long sum=0;
    while (x) {
        sum+=fen[x];
        x-=(x&-x);
    }
    return sum;
}

void update(int x) {
    while (x<=200000) {
        ++fen[x];
        x+=(x&-x);
    }
}

long long count_swaps(vector<int> s) {
    int n=s.size()/2;
    long long ans=0;

    for (int i=0; i<2*n; ++i) {
        if (s[i]>0) v[s[i]].push(i+1);
        else v[abs(s[i])+n].push(i+1);
    }

    for (int i=0; i<2*n; ++i) {
        if (gone[i+1]) continue;

        //consider at position i+1

        if (s[i]<0) {
            int j=v[abs(s[i])].front();
            v[abs(s[i])].pop();
            v[abs(s[i])+n].pop();

            ans+=(j-i-2-find(j)+find(i));

            gone[j]=true;
            update(j);

        } else {
            int j=v[s[i]+n].front();
            v[s[i]+n].pop();
            v[s[i]].pop();

            ans+=(j-i-1-find(j)+find(i));

            gone[j]=true;
            update(j);
        }
    }

	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 134864 KB Output is correct
2 Correct 77 ms 134912 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 134864 KB Output is correct
2 Correct 77 ms 134912 KB Output is correct
3 Correct 75 ms 134860 KB Output is correct
4 Correct 79 ms 134920 KB Output is correct
5 Correct 76 ms 134860 KB Output is correct
6 Correct 76 ms 134948 KB Output is correct
7 Correct 89 ms 134860 KB Output is correct
8 Correct 82 ms 134920 KB Output is correct
9 Correct 82 ms 135024 KB Output is correct
10 Correct 78 ms 134856 KB Output is correct
11 Correct 73 ms 134964 KB Output is correct
12 Correct 77 ms 134888 KB Output is correct
13 Correct 77 ms 134860 KB Output is correct
14 Correct 79 ms 134868 KB Output is correct
15 Correct 75 ms 134860 KB Output is correct
16 Correct 77 ms 134932 KB Output is correct
17 Correct 87 ms 134860 KB Output is correct
18 Correct 82 ms 134884 KB Output is correct
19 Correct 76 ms 134964 KB Output is correct
20 Correct 80 ms 134948 KB Output is correct
21 Correct 75 ms 134860 KB Output is correct
22 Correct 76 ms 134860 KB Output is correct
23 Correct 77 ms 134904 KB Output is correct
24 Correct 77 ms 134920 KB Output is correct
25 Correct 76 ms 134904 KB Output is correct
26 Correct 83 ms 134972 KB Output is correct
27 Correct 83 ms 134932 KB Output is correct
28 Correct 81 ms 134936 KB Output is correct
29 Correct 92 ms 134932 KB Output is correct
30 Correct 79 ms 134936 KB Output is correct
31 Correct 85 ms 134916 KB Output is correct
32 Correct 77 ms 134856 KB Output is correct
33 Correct 80 ms 134860 KB Output is correct
34 Correct 77 ms 134940 KB Output is correct
35 Correct 79 ms 134940 KB Output is correct
36 Correct 85 ms 134852 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 134864 KB Output is correct
2 Correct 77 ms 134912 KB Output is correct
3 Correct 76 ms 134860 KB Output is correct
4 Correct 77 ms 134884 KB Output is correct
5 Correct 76 ms 134908 KB Output is correct
6 Correct 75 ms 134860 KB Output is correct
7 Correct 76 ms 134888 KB Output is correct
8 Correct 80 ms 134976 KB Output is correct
9 Correct 77 ms 134868 KB Output is correct
10 Correct 77 ms 134956 KB Output is correct
11 Correct 78 ms 134860 KB Output is correct
12 Correct 86 ms 134880 KB Output is correct
13 Correct 78 ms 134860 KB Output is correct
14 Correct 74 ms 134860 KB Output is correct
15 Correct 76 ms 134932 KB Output is correct
16 Correct 77 ms 134888 KB Output is correct
17 Correct 87 ms 134884 KB Output is correct
18 Correct 87 ms 134992 KB Output is correct
19 Correct 84 ms 134896 KB Output is correct
20 Correct 89 ms 135408 KB Output is correct
21 Correct 88 ms 135372 KB Output is correct
22 Correct 106 ms 140240 KB Output is correct
23 Correct 108 ms 140328 KB Output is correct
24 Correct 117 ms 140444 KB Output is correct
25 Correct 104 ms 139208 KB Output is correct
26 Correct 112 ms 140304 KB Output is correct
27 Correct 106 ms 140116 KB Output is correct
28 Correct 108 ms 139436 KB Output is correct
29 Correct 117 ms 139448 KB Output is correct
30 Correct 104 ms 139364 KB Output is correct
31 Correct 107 ms 140420 KB Output is correct
32 Correct 101 ms 139468 KB Output is correct
33 Correct 117 ms 139296 KB Output is correct
34 Correct 108 ms 139464 KB Output is correct
35 Correct 77 ms 134912 KB Output is correct
36 Correct 75 ms 134932 KB Output is correct
37 Correct 106 ms 139440 KB Output is correct
38 Correct 103 ms 139420 KB Output is correct
39 Correct 105 ms 139444 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 134880 KB Output is correct
2 Correct 82 ms 134876 KB Output is correct
3 Correct 78 ms 134860 KB Output is correct
4 Correct 76 ms 134952 KB Output is correct
5 Correct 132 ms 138528 KB Output is correct
6 Correct 111 ms 138572 KB Output is correct
7 Correct 134 ms 138592 KB Output is correct
8 Correct 104 ms 139376 KB Output is correct
9 Correct 140 ms 138632 KB Output is correct
10 Correct 127 ms 138572 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 134864 KB Output is correct
2 Correct 77 ms 134912 KB Output is correct
3 Correct 75 ms 134860 KB Output is correct
4 Correct 79 ms 134920 KB Output is correct
5 Correct 76 ms 134860 KB Output is correct
6 Correct 76 ms 134948 KB Output is correct
7 Correct 89 ms 134860 KB Output is correct
8 Correct 82 ms 134920 KB Output is correct
9 Correct 82 ms 135024 KB Output is correct
10 Correct 78 ms 134856 KB Output is correct
11 Correct 73 ms 134964 KB Output is correct
12 Correct 77 ms 134888 KB Output is correct
13 Correct 77 ms 134860 KB Output is correct
14 Correct 79 ms 134868 KB Output is correct
15 Correct 75 ms 134860 KB Output is correct
16 Correct 77 ms 134932 KB Output is correct
17 Correct 87 ms 134860 KB Output is correct
18 Correct 82 ms 134884 KB Output is correct
19 Correct 76 ms 134964 KB Output is correct
20 Correct 80 ms 134948 KB Output is correct
21 Correct 75 ms 134860 KB Output is correct
22 Correct 76 ms 134860 KB Output is correct
23 Correct 77 ms 134904 KB Output is correct
24 Correct 77 ms 134920 KB Output is correct
25 Correct 76 ms 134904 KB Output is correct
26 Correct 83 ms 134972 KB Output is correct
27 Correct 83 ms 134932 KB Output is correct
28 Correct 81 ms 134936 KB Output is correct
29 Correct 92 ms 134932 KB Output is correct
30 Correct 79 ms 134936 KB Output is correct
31 Correct 85 ms 134916 KB Output is correct
32 Correct 77 ms 134856 KB Output is correct
33 Correct 80 ms 134860 KB Output is correct
34 Correct 77 ms 134940 KB Output is correct
35 Correct 79 ms 134940 KB Output is correct
36 Correct 85 ms 134852 KB Output is correct
37 Correct 77 ms 134936 KB Output is correct
38 Correct 74 ms 134932 KB Output is correct
39 Correct 86 ms 134952 KB Output is correct
40 Correct 80 ms 134996 KB Output is correct
41 Correct 75 ms 134992 KB Output is correct
42 Correct 79 ms 134940 KB Output is correct
43 Correct 77 ms 134964 KB Output is correct
44 Correct 78 ms 134984 KB Output is correct
45 Correct 77 ms 134932 KB Output is correct
46 Correct 78 ms 134940 KB Output is correct
47 Correct 78 ms 134916 KB Output is correct
48 Correct 80 ms 134892 KB Output is correct
49 Correct 76 ms 134908 KB Output is correct
50 Correct 86 ms 134956 KB Output is correct
51 Correct 82 ms 134980 KB Output is correct
52 Correct 77 ms 134988 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 134864 KB Output is correct
2 Correct 77 ms 134912 KB Output is correct
3 Correct 75 ms 134860 KB Output is correct
4 Correct 79 ms 134920 KB Output is correct
5 Correct 76 ms 134860 KB Output is correct
6 Correct 76 ms 134948 KB Output is correct
7 Correct 89 ms 134860 KB Output is correct
8 Correct 82 ms 134920 KB Output is correct
9 Correct 82 ms 135024 KB Output is correct
10 Correct 78 ms 134856 KB Output is correct
11 Correct 73 ms 134964 KB Output is correct
12 Correct 77 ms 134888 KB Output is correct
13 Correct 77 ms 134860 KB Output is correct
14 Correct 79 ms 134868 KB Output is correct
15 Correct 75 ms 134860 KB Output is correct
16 Correct 77 ms 134932 KB Output is correct
17 Correct 87 ms 134860 KB Output is correct
18 Correct 82 ms 134884 KB Output is correct
19 Correct 76 ms 134964 KB Output is correct
20 Correct 80 ms 134948 KB Output is correct
21 Correct 75 ms 134860 KB Output is correct
22 Correct 76 ms 134860 KB Output is correct
23 Correct 77 ms 134904 KB Output is correct
24 Correct 77 ms 134920 KB Output is correct
25 Correct 76 ms 134904 KB Output is correct
26 Correct 83 ms 134972 KB Output is correct
27 Correct 83 ms 134932 KB Output is correct
28 Correct 81 ms 134936 KB Output is correct
29 Correct 92 ms 134932 KB Output is correct
30 Correct 79 ms 134936 KB Output is correct
31 Correct 85 ms 134916 KB Output is correct
32 Correct 77 ms 134856 KB Output is correct
33 Correct 80 ms 134860 KB Output is correct
34 Correct 77 ms 134940 KB Output is correct
35 Correct 79 ms 134940 KB Output is correct
36 Correct 85 ms 134852 KB Output is correct
37 Correct 76 ms 134860 KB Output is correct
38 Correct 77 ms 134884 KB Output is correct
39 Correct 76 ms 134908 KB Output is correct
40 Correct 75 ms 134860 KB Output is correct
41 Correct 76 ms 134888 KB Output is correct
42 Correct 80 ms 134976 KB Output is correct
43 Correct 77 ms 134868 KB Output is correct
44 Correct 77 ms 134956 KB Output is correct
45 Correct 78 ms 134860 KB Output is correct
46 Correct 86 ms 134880 KB Output is correct
47 Correct 78 ms 134860 KB Output is correct
48 Correct 74 ms 134860 KB Output is correct
49 Correct 76 ms 134932 KB Output is correct
50 Correct 77 ms 134888 KB Output is correct
51 Correct 87 ms 134884 KB Output is correct
52 Correct 87 ms 134992 KB Output is correct
53 Correct 84 ms 134896 KB Output is correct
54 Correct 89 ms 135408 KB Output is correct
55 Correct 88 ms 135372 KB Output is correct
56 Correct 106 ms 140240 KB Output is correct
57 Correct 108 ms 140328 KB Output is correct
58 Correct 117 ms 140444 KB Output is correct
59 Correct 104 ms 139208 KB Output is correct
60 Correct 112 ms 140304 KB Output is correct
61 Correct 106 ms 140116 KB Output is correct
62 Correct 108 ms 139436 KB Output is correct
63 Correct 117 ms 139448 KB Output is correct
64 Correct 104 ms 139364 KB Output is correct
65 Correct 107 ms 140420 KB Output is correct
66 Correct 101 ms 139468 KB Output is correct
67 Correct 117 ms 139296 KB Output is correct
68 Correct 108 ms 139464 KB Output is correct
69 Correct 77 ms 134912 KB Output is correct
70 Correct 75 ms 134932 KB Output is correct
71 Correct 106 ms 139440 KB Output is correct
72 Correct 103 ms 139420 KB Output is correct
73 Correct 105 ms 139444 KB Output is correct
74 Correct 92 ms 134880 KB Output is correct
75 Correct 82 ms 134876 KB Output is correct
76 Correct 78 ms 134860 KB Output is correct
77 Correct 76 ms 134952 KB Output is correct
78 Correct 132 ms 138528 KB Output is correct
79 Correct 111 ms 138572 KB Output is correct
80 Correct 134 ms 138592 KB Output is correct
81 Correct 104 ms 139376 KB Output is correct
82 Correct 140 ms 138632 KB Output is correct
83 Correct 127 ms 138572 KB Output is correct
84 Correct 77 ms 134936 KB Output is correct
85 Correct 74 ms 134932 KB Output is correct
86 Correct 86 ms 134952 KB Output is correct
87 Correct 80 ms 134996 KB Output is correct
88 Correct 75 ms 134992 KB Output is correct
89 Correct 79 ms 134940 KB Output is correct
90 Correct 77 ms 134964 KB Output is correct
91 Correct 78 ms 134984 KB Output is correct
92 Correct 77 ms 134932 KB Output is correct
93 Correct 78 ms 134940 KB Output is correct
94 Correct 78 ms 134916 KB Output is correct
95 Correct 80 ms 134892 KB Output is correct
96 Correct 76 ms 134908 KB Output is correct
97 Correct 86 ms 134956 KB Output is correct
98 Correct 82 ms 134980 KB Output is correct
99 Correct 77 ms 134988 KB Output is correct
100 Correct 74 ms 134980 KB Output is correct
101 Correct 81 ms 135372 KB Output is correct
102 Correct 79 ms 135280 KB Output is correct
103 Correct 153 ms 139516 KB Output is correct
104 Correct 140 ms 139484 KB Output is correct
105 Correct 140 ms 139440 KB Output is correct
106 Correct 134 ms 138624 KB Output is correct
107 Correct 117 ms 139492 KB Output is correct
108 Correct 124 ms 139420 KB Output is correct
109 Correct 105 ms 139468 KB Output is correct
110 Correct 106 ms 139420 KB Output is correct
111 Correct 144 ms 138592 KB Output is correct
112 Correct 142 ms 139420 KB Output is correct
113 Correct 114 ms 138580 KB Output is correct
114 Correct 133 ms 138524 KB Output is correct
115 Correct 135 ms 138524 KB Output is correct