oj.uz

Submission #292317

# Submission time Handle Problem Language Result Execution time Memory
292317 2020-09-06T20:19:12 Z Ruba_K Arranging Shoes (IOI19_shoes) C++14
100 / 100
 201 ms 141048 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std ;
#define ll long long
const int N = 2e5 + 2 ;

deque<int>pos[N];

struct BIT {
    vector<ll> v;
    int sz;

    explicit BIT(int n) {
        v.resize(n);
        sz = n;
    }

    //gets sum of range [0, i]
    ll get(int i) {
        ll ret = 0;
        for (++i; i; i -= i & -i)
            ret += v[i - 1];
        return ret;
    }

    void update(int i, ll x) {
        for (++i; i <= sz; i += i & -i)
            v[i - 1] += x;
    }

    ll query(int st, int en) {
        return get(en) - get(st - 1);
    }
};

int finish[N * 4];
long long count_swaps(vector<int> v) {
     int n = v.size() / 2;

     for(int i = 0 ; i < n  * 2; i ++){
        pos[n + v[i]].push_back(i);
     }

     long long ans = 0 ;

    BIT bit (n * 2);
     for(int i = 0 ;i < n * 2 ; i ++ ){
        if(finish[i])continue ;
        int ab = -v[i] , p = pos[ab + n].front();
        finish[p]++;
        pos[ab + n].pop_front();

        pos[v[i] + n].pop_front();

        int betwen = bit.query(i  , p );

        ans += p - i - 1 - betwen  + (v[i] > 0 ? 1 : 0);


        bit.update(p , 1 );

     }

	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 134904 KB Output is correct
2 Correct 103 ms 135032 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 134904 KB Output is correct
2 Correct 103 ms 135032 KB Output is correct
3 Correct 102 ms 134904 KB Output is correct
4 Correct 102 ms 134904 KB Output is correct
5 Correct 104 ms 135032 KB Output is correct
6 Correct 101 ms 134904 KB Output is correct
7 Correct 100 ms 134904 KB Output is correct
8 Correct 102 ms 134976 KB Output is correct
9 Correct 101 ms 134904 KB Output is correct
10 Correct 103 ms 134988 KB Output is correct
11 Correct 101 ms 134948 KB Output is correct
12 Correct 102 ms 134904 KB Output is correct
13 Correct 102 ms 134904 KB Output is correct
14 Correct 103 ms 134904 KB Output is correct
15 Correct 103 ms 134904 KB Output is correct
16 Correct 101 ms 134904 KB Output is correct
17 Correct 102 ms 134904 KB Output is correct
18 Correct 104 ms 134904 KB Output is correct
19 Correct 104 ms 134904 KB Output is correct
20 Correct 106 ms 134904 KB Output is correct
21 Correct 102 ms 134880 KB Output is correct
22 Correct 103 ms 135032 KB Output is correct
23 Correct 105 ms 134904 KB Output is correct
24 Correct 105 ms 134908 KB Output is correct
25 Correct 102 ms 134904 KB Output is correct
26 Correct 102 ms 134904 KB Output is correct
27 Correct 100 ms 134908 KB Output is correct
28 Correct 100 ms 134904 KB Output is correct
29 Correct 102 ms 134904 KB Output is correct
30 Correct 105 ms 134904 KB Output is correct
31 Correct 106 ms 134904 KB Output is correct
32 Correct 104 ms 134904 KB Output is correct
33 Correct 103 ms 134904 KB Output is correct
34 Correct 104 ms 134904 KB Output is correct
35 Correct 101 ms 134968 KB Output is correct
36 Correct 101 ms 134904 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 134904 KB Output is correct
2 Correct 103 ms 135032 KB Output is correct
3 Correct 103 ms 134904 KB Output is correct
4 Correct 103 ms 134904 KB Output is correct
5 Correct 104 ms 134904 KB Output is correct
6 Correct 104 ms 134904 KB Output is correct
7 Correct 103 ms 134944 KB Output is correct
8 Correct 101 ms 134904 KB Output is correct
9 Correct 101 ms 134904 KB Output is correct
10 Correct 104 ms 134952 KB Output is correct
11 Correct 102 ms 134904 KB Output is correct
12 Correct 102 ms 134904 KB Output is correct
13 Correct 101 ms 134904 KB Output is correct
14 Correct 102 ms 134992 KB Output is correct
15 Correct 102 ms 134908 KB Output is correct
16 Correct 102 ms 134904 KB Output is correct
17 Correct 110 ms 134904 KB Output is correct
18 Correct 111 ms 135032 KB Output is correct
19 Correct 111 ms 135032 KB Output is correct
20 Correct 114 ms 135544 KB Output is correct
21 Correct 115 ms 135544 KB Output is correct
22 Correct 163 ms 141048 KB Output is correct
23 Correct 143 ms 140920 KB Output is correct
24 Correct 144 ms 141020 KB Output is correct
25 Correct 138 ms 140408 KB Output is correct
26 Correct 148 ms 140920 KB Output is correct
27 Correct 143 ms 140792 KB Output is correct
28 Correct 144 ms 140536 KB Output is correct
29 Correct 140 ms 140584 KB Output is correct
30 Correct 151 ms 140536 KB Output is correct
31 Correct 153 ms 140920 KB Output is correct
32 Correct 151 ms 140536 KB Output is correct
33 Correct 143 ms 140408 KB Output is correct
34 Correct 145 ms 140536 KB Output is correct
35 Correct 103 ms 134904 KB Output is correct
36 Correct 104 ms 134904 KB Output is correct
37 Correct 143 ms 140536 KB Output is correct
38 Correct 144 ms 140536 KB Output is correct
39 Correct 146 ms 140664 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 134904 KB Output is correct
2 Correct 101 ms 134904 KB Output is correct
3 Correct 103 ms 134932 KB Output is correct
4 Correct 103 ms 134904 KB Output is correct
5 Correct 193 ms 138488 KB Output is correct
6 Correct 162 ms 138488 KB Output is correct
7 Correct 191 ms 138508 KB Output is correct
8 Correct 144 ms 139384 KB Output is correct
9 Correct 190 ms 138488 KB Output is correct
10 Correct 184 ms 138508 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 134904 KB Output is correct
2 Correct 103 ms 135032 KB Output is correct
3 Correct 102 ms 134904 KB Output is correct
4 Correct 102 ms 134904 KB Output is correct
5 Correct 104 ms 135032 KB Output is correct
6 Correct 101 ms 134904 KB Output is correct
7 Correct 100 ms 134904 KB Output is correct
8 Correct 102 ms 134976 KB Output is correct
9 Correct 101 ms 134904 KB Output is correct
10 Correct 103 ms 134988 KB Output is correct
11 Correct 101 ms 134948 KB Output is correct
12 Correct 102 ms 134904 KB Output is correct
13 Correct 102 ms 134904 KB Output is correct
14 Correct 103 ms 134904 KB Output is correct
15 Correct 103 ms 134904 KB Output is correct
16 Correct 101 ms 134904 KB Output is correct
17 Correct 102 ms 134904 KB Output is correct
18 Correct 104 ms 134904 KB Output is correct
19 Correct 104 ms 134904 KB Output is correct
20 Correct 106 ms 134904 KB Output is correct
21 Correct 102 ms 134880 KB Output is correct
22 Correct 103 ms 135032 KB Output is correct
23 Correct 105 ms 134904 KB Output is correct
24 Correct 105 ms 134908 KB Output is correct
25 Correct 102 ms 134904 KB Output is correct
26 Correct 102 ms 134904 KB Output is correct
27 Correct 100 ms 134908 KB Output is correct
28 Correct 100 ms 134904 KB Output is correct
29 Correct 102 ms 134904 KB Output is correct
30 Correct 105 ms 134904 KB Output is correct
31 Correct 106 ms 134904 KB Output is correct
32 Correct 104 ms 134904 KB Output is correct
33 Correct 103 ms 134904 KB Output is correct
34 Correct 104 ms 134904 KB Output is correct
35 Correct 101 ms 134968 KB Output is correct
36 Correct 101 ms 134904 KB Output is correct
37 Correct 102 ms 134904 KB Output is correct
38 Correct 102 ms 134904 KB Output is correct
39 Correct 104 ms 134904 KB Output is correct
40 Correct 104 ms 134904 KB Output is correct
41 Correct 102 ms 135032 KB Output is correct
42 Correct 102 ms 135032 KB Output is correct
43 Correct 105 ms 135032 KB Output is correct
44 Correct 106 ms 135032 KB Output is correct
45 Correct 102 ms 135032 KB Output is correct
46 Correct 104 ms 135032 KB Output is correct
47 Correct 102 ms 135032 KB Output is correct
48 Correct 102 ms 135032 KB Output is correct
49 Correct 101 ms 135032 KB Output is correct
50 Correct 111 ms 135028 KB Output is correct
51 Correct 109 ms 135032 KB Output is correct
52 Correct 102 ms 135032 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 134904 KB Output is correct
2 Correct 103 ms 135032 KB Output is correct
3 Correct 102 ms 134904 KB Output is correct
4 Correct 102 ms 134904 KB Output is correct
5 Correct 104 ms 135032 KB Output is correct
6 Correct 101 ms 134904 KB Output is correct
7 Correct 100 ms 134904 KB Output is correct
8 Correct 102 ms 134976 KB Output is correct
9 Correct 101 ms 134904 KB Output is correct
10 Correct 103 ms 134988 KB Output is correct
11 Correct 101 ms 134948 KB Output is correct
12 Correct 102 ms 134904 KB Output is correct
13 Correct 102 ms 134904 KB Output is correct
14 Correct 103 ms 134904 KB Output is correct
15 Correct 103 ms 134904 KB Output is correct
16 Correct 101 ms 134904 KB Output is correct
17 Correct 102 ms 134904 KB Output is correct
18 Correct 104 ms 134904 KB Output is correct
19 Correct 104 ms 134904 KB Output is correct
20 Correct 106 ms 134904 KB Output is correct
21 Correct 102 ms 134880 KB Output is correct
22 Correct 103 ms 135032 KB Output is correct
23 Correct 105 ms 134904 KB Output is correct
24 Correct 105 ms 134908 KB Output is correct
25 Correct 102 ms 134904 KB Output is correct
26 Correct 102 ms 134904 KB Output is correct
27 Correct 100 ms 134908 KB Output is correct
28 Correct 100 ms 134904 KB Output is correct
29 Correct 102 ms 134904 KB Output is correct
30 Correct 105 ms 134904 KB Output is correct
31 Correct 106 ms 134904 KB Output is correct
32 Correct 104 ms 134904 KB Output is correct
33 Correct 103 ms 134904 KB Output is correct
34 Correct 104 ms 134904 KB Output is correct
35 Correct 101 ms 134968 KB Output is correct
36 Correct 101 ms 134904 KB Output is correct
37 Correct 103 ms 134904 KB Output is correct
38 Correct 103 ms 134904 KB Output is correct
39 Correct 104 ms 134904 KB Output is correct
40 Correct 104 ms 134904 KB Output is correct
41 Correct 103 ms 134944 KB Output is correct
42 Correct 101 ms 134904 KB Output is correct
43 Correct 101 ms 134904 KB Output is correct
44 Correct 104 ms 134952 KB Output is correct
45 Correct 102 ms 134904 KB Output is correct
46 Correct 102 ms 134904 KB Output is correct
47 Correct 101 ms 134904 KB Output is correct
48 Correct 102 ms 134992 KB Output is correct
49 Correct 102 ms 134908 KB Output is correct
50 Correct 102 ms 134904 KB Output is correct
51 Correct 110 ms 134904 KB Output is correct
52 Correct 111 ms 135032 KB Output is correct
53 Correct 111 ms 135032 KB Output is correct
54 Correct 114 ms 135544 KB Output is correct
55 Correct 115 ms 135544 KB Output is correct
56 Correct 163 ms 141048 KB Output is correct
57 Correct 143 ms 140920 KB Output is correct
58 Correct 144 ms 141020 KB Output is correct
59 Correct 138 ms 140408 KB Output is correct
60 Correct 148 ms 140920 KB Output is correct
61 Correct 143 ms 140792 KB Output is correct
62 Correct 144 ms 140536 KB Output is correct
63 Correct 140 ms 140584 KB Output is correct
64 Correct 151 ms 140536 KB Output is correct
65 Correct 153 ms 140920 KB Output is correct
66 Correct 151 ms 140536 KB Output is correct
67 Correct 143 ms 140408 KB Output is correct
68 Correct 145 ms 140536 KB Output is correct
69 Correct 103 ms 134904 KB Output is correct
70 Correct 104 ms 134904 KB Output is correct
71 Correct 143 ms 140536 KB Output is correct
72 Correct 144 ms 140536 KB Output is correct
73 Correct 146 ms 140664 KB Output is correct
74 Correct 101 ms 134904 KB Output is correct
75 Correct 101 ms 134904 KB Output is correct
76 Correct 103 ms 134932 KB Output is correct
77 Correct 103 ms 134904 KB Output is correct
78 Correct 193 ms 138488 KB Output is correct
79 Correct 162 ms 138488 KB Output is correct
80 Correct 191 ms 138508 KB Output is correct
81 Correct 144 ms 139384 KB Output is correct
82 Correct 190 ms 138488 KB Output is correct
83 Correct 184 ms 138508 KB Output is correct
84 Correct 102 ms 134904 KB Output is correct
85 Correct 102 ms 134904 KB Output is correct
86 Correct 104 ms 134904 KB Output is correct
87 Correct 104 ms 134904 KB Output is correct
88 Correct 102 ms 135032 KB Output is correct
89 Correct 102 ms 135032 KB Output is correct
90 Correct 105 ms 135032 KB Output is correct
91 Correct 106 ms 135032 KB Output is correct
92 Correct 102 ms 135032 KB Output is correct
93 Correct 104 ms 135032 KB Output is correct
94 Correct 102 ms 135032 KB Output is correct
95 Correct 102 ms 135032 KB Output is correct
96 Correct 101 ms 135032 KB Output is correct
97 Correct 111 ms 135028 KB Output is correct
98 Correct 109 ms 135032 KB Output is correct
99 Correct 102 ms 135032 KB Output is correct
100 Correct 102 ms 135032 KB Output is correct
101 Correct 109 ms 135416 KB Output is correct
102 Correct 106 ms 135416 KB Output is correct
103 Correct 201 ms 140152 KB Output is correct
104 Correct 200 ms 140120 KB Output is correct
105 Correct 201 ms 140152 KB Output is correct
106 Correct 192 ms 139768 KB Output is correct
107 Correct 169 ms 140152 KB Output is correct
108 Correct 175 ms 140152 KB Output is correct
109 Correct 142 ms 140536 KB Output is correct
110 Correct 142 ms 140536 KB Output is correct
111 Correct 192 ms 139896 KB Output is correct
112 Correct 198 ms 140156 KB Output is correct
113 Correct 178 ms 139768 KB Output is correct
114 Correct 192 ms 139768 KB Output is correct
115 Correct 192 ms 139772 KB Output is correct