oj.uz

Submission #280402

# Submission time Handle Problem Language Result Execution time Memory
280402 2020-08-22T17:22:34 Z CaroLinda Arranging Shoes (IOI19_shoes) C++14
100 / 100
 227 ms 22136 KB 
#include <bits/stdc++.h>
#include "shoes.h"

#define sz(x) (int)x.size()
#define mkt make_tuple
#define lp(i,a,b) for(int i = a ; i < b ; i++ )
#define ff first
#define ss second
#define eb emplace_back
#define ll long long
#define mk make_pair
#define pii pair<int,int>
#define debug printf
#define all(x) x.begin(),x.end()

const int MAXN = 1e5+10 ;

using namespace std ;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>

int freq[MAXN][2] ;
int active ;
set<int> types_left[MAXN] , types_right[MAXN] ;
ordered_set o_set ;

/*
6
-2 2 2 -2 -2 2
*/

long long count_swaps(vector<int> v)
{

    ll ans = 0LL ;

    for(int i = 0 ; i < sz(v) ; i++ )
    {
        int x = abs(v[i]) ;

        if( v[i] < 0 )
        {
            if( sz(types_right[x]) > 0 )
            {
                int t = *types_right[x].begin() ;
                types_right[x].erase( types_right[x].begin()  ) ;

                ans += (ll)( i - t ) ;
                o_set.erase( o_set.find(-t) ) ;
                ans -= o_set.order_of_key( -t ) ;

            }
            else
            {
                types_left[x].insert(i) ;
                o_set.insert(-i) ;
            }
        }

        else
        {

            if( sz(types_left[x]) > 0 )
            {
                int t = *types_left[x].begin() ;
                types_left[x].erase( types_left[x].begin() ) ;

                ans += (ll)( i - t - 1 ) ;
                o_set.erase( o_set.find(-t) ) ;
                ans -= o_set.order_of_key(-t) ;

            }
            else
            {
                types_right[x].insert(i) ;
                o_set.insert(-i) ;
            }

        }

    }

    return ans ;

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9760 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9760 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 7 ms 9728 KB Output is correct
7 Correct 6 ms 9728 KB Output is correct
8 Correct 6 ms 9728 KB Output is correct
9 Correct 7 ms 9728 KB Output is correct
10 Correct 7 ms 9728 KB Output is correct
11 Correct 6 ms 9728 KB Output is correct
12 Correct 7 ms 9728 KB Output is correct
13 Correct 6 ms 9728 KB Output is correct
14 Correct 7 ms 9728 KB Output is correct
15 Correct 7 ms 9728 KB Output is correct
16 Correct 7 ms 9728 KB Output is correct
17 Correct 7 ms 9728 KB Output is correct
18 Correct 6 ms 9728 KB Output is correct
19 Correct 7 ms 9728 KB Output is correct
20 Correct 7 ms 9728 KB Output is correct
21 Correct 6 ms 9728 KB Output is correct
22 Correct 7 ms 9728 KB Output is correct
23 Correct 6 ms 9728 KB Output is correct
24 Correct 6 ms 9728 KB Output is correct
25 Correct 7 ms 9728 KB Output is correct
26 Correct 7 ms 9856 KB Output is correct
27 Correct 7 ms 9728 KB Output is correct
28 Correct 6 ms 9728 KB Output is correct
29 Correct 7 ms 9728 KB Output is correct
30 Correct 7 ms 9728 KB Output is correct
31 Correct 7 ms 9728 KB Output is correct
32 Correct 7 ms 9728 KB Output is correct
33 Correct 7 ms 9728 KB Output is correct
34 Correct 6 ms 9728 KB Output is correct
35 Correct 7 ms 9728 KB Output is correct
36 Correct 8 ms 9728 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9760 KB Output is correct
3 Correct 6 ms 9728 KB Output is correct
4 Correct 6 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 6 ms 9728 KB Output is correct
7 Correct 8 ms 9728 KB Output is correct
8 Correct 7 ms 9760 KB Output is correct
9 Correct 7 ms 9728 KB Output is correct
10 Correct 7 ms 9728 KB Output is correct
11 Correct 7 ms 9728 KB Output is correct
12 Correct 7 ms 9728 KB Output is correct
13 Correct 7 ms 9728 KB Output is correct
14 Correct 7 ms 9856 KB Output is correct
15 Correct 7 ms 9728 KB Output is correct
16 Correct 7 ms 9728 KB Output is correct
17 Correct 7 ms 9728 KB Output is correct
18 Correct 7 ms 9728 KB Output is correct
19 Correct 8 ms 9728 KB Output is correct
20 Correct 12 ms 9984 KB Output is correct
21 Correct 12 ms 9984 KB Output is correct
22 Correct 64 ms 12536 KB Output is correct
23 Correct 48 ms 12536 KB Output is correct
24 Correct 57 ms 12536 KB Output is correct
25 Correct 144 ms 21752 KB Output is correct
26 Correct 64 ms 12536 KB Output is correct
27 Correct 46 ms 12408 KB Output is correct
28 Correct 148 ms 21880 KB Output is correct
29 Correct 148 ms 21880 KB Output is correct
30 Correct 151 ms 21880 KB Output is correct
31 Correct 64 ms 12536 KB Output is correct
32 Correct 145 ms 21880 KB Output is correct
33 Correct 150 ms 21736 KB Output is correct
34 Correct 147 ms 21880 KB Output is correct
35 Correct 6 ms 9728 KB Output is correct
36 Correct 7 ms 9728 KB Output is correct
37 Correct 140 ms 21928 KB Output is correct
38 Correct 142 ms 22052 KB Output is correct
39 Correct 141 ms 22008 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9728 KB Output is correct
2 Correct 6 ms 9728 KB Output is correct
3 Correct 6 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 155 ms 21880 KB Output is correct
6 Correct 183 ms 21880 KB Output is correct
7 Correct 152 ms 21848 KB Output is correct
8 Correct 147 ms 21880 KB Output is correct
9 Correct 148 ms 22008 KB Output is correct
10 Correct 174 ms 21928 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9760 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 7 ms 9728 KB Output is correct
7 Correct 6 ms 9728 KB Output is correct
8 Correct 6 ms 9728 KB Output is correct
9 Correct 7 ms 9728 KB Output is correct
10 Correct 7 ms 9728 KB Output is correct
11 Correct 6 ms 9728 KB Output is correct
12 Correct 7 ms 9728 KB Output is correct
13 Correct 6 ms 9728 KB Output is correct
14 Correct 7 ms 9728 KB Output is correct
15 Correct 7 ms 9728 KB Output is correct
16 Correct 7 ms 9728 KB Output is correct
17 Correct 7 ms 9728 KB Output is correct
18 Correct 6 ms 9728 KB Output is correct
19 Correct 7 ms 9728 KB Output is correct
20 Correct 7 ms 9728 KB Output is correct
21 Correct 6 ms 9728 KB Output is correct
22 Correct 7 ms 9728 KB Output is correct
23 Correct 6 ms 9728 KB Output is correct
24 Correct 6 ms 9728 KB Output is correct
25 Correct 7 ms 9728 KB Output is correct
26 Correct 7 ms 9856 KB Output is correct
27 Correct 7 ms 9728 KB Output is correct
28 Correct 6 ms 9728 KB Output is correct
29 Correct 7 ms 9728 KB Output is correct
30 Correct 7 ms 9728 KB Output is correct
31 Correct 7 ms 9728 KB Output is correct
32 Correct 7 ms 9728 KB Output is correct
33 Correct 7 ms 9728 KB Output is correct
34 Correct 6 ms 9728 KB Output is correct
35 Correct 7 ms 9728 KB Output is correct
36 Correct 8 ms 9728 KB Output is correct
37 Correct 6 ms 9728 KB Output is correct
38 Correct 7 ms 9728 KB Output is correct
39 Correct 7 ms 9728 KB Output is correct
40 Correct 7 ms 9728 KB Output is correct
41 Correct 7 ms 9728 KB Output is correct
42 Correct 7 ms 9728 KB Output is correct
43 Correct 7 ms 9728 KB Output is correct
44 Correct 7 ms 9856 KB Output is correct
45 Correct 7 ms 9728 KB Output is correct
46 Correct 7 ms 9728 KB Output is correct
47 Correct 7 ms 9856 KB Output is correct
48 Correct 7 ms 9856 KB Output is correct
49 Correct 7 ms 9728 KB Output is correct
50 Correct 7 ms 9856 KB Output is correct
51 Correct 7 ms 9856 KB Output is correct
52 Correct 7 ms 9856 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9728 KB Output is correct
2 Correct 7 ms 9760 KB Output is correct
3 Correct 7 ms 9728 KB Output is correct
4 Correct 7 ms 9728 KB Output is correct
5 Correct 7 ms 9728 KB Output is correct
6 Correct 7 ms 9728 KB Output is correct
7 Correct 6 ms 9728 KB Output is correct
8 Correct 6 ms 9728 KB Output is correct
9 Correct 7 ms 9728 KB Output is correct
10 Correct 7 ms 9728 KB Output is correct
11 Correct 6 ms 9728 KB Output is correct
12 Correct 7 ms 9728 KB Output is correct
13 Correct 6 ms 9728 KB Output is correct
14 Correct 7 ms 9728 KB Output is correct
15 Correct 7 ms 9728 KB Output is correct
16 Correct 7 ms 9728 KB Output is correct
17 Correct 7 ms 9728 KB Output is correct
18 Correct 6 ms 9728 KB Output is correct
19 Correct 7 ms 9728 KB Output is correct
20 Correct 7 ms 9728 KB Output is correct
21 Correct 6 ms 9728 KB Output is correct
22 Correct 7 ms 9728 KB Output is correct
23 Correct 6 ms 9728 KB Output is correct
24 Correct 6 ms 9728 KB Output is correct
25 Correct 7 ms 9728 KB Output is correct
26 Correct 7 ms 9856 KB Output is correct
27 Correct 7 ms 9728 KB Output is correct
28 Correct 6 ms 9728 KB Output is correct
29 Correct 7 ms 9728 KB Output is correct
30 Correct 7 ms 9728 KB Output is correct
31 Correct 7 ms 9728 KB Output is correct
32 Correct 7 ms 9728 KB Output is correct
33 Correct 7 ms 9728 KB Output is correct
34 Correct 6 ms 9728 KB Output is correct
35 Correct 7 ms 9728 KB Output is correct
36 Correct 8 ms 9728 KB Output is correct
37 Correct 6 ms 9728 KB Output is correct
38 Correct 6 ms 9728 KB Output is correct
39 Correct 7 ms 9728 KB Output is correct
40 Correct 6 ms 9728 KB Output is correct
41 Correct 8 ms 9728 KB Output is correct
42 Correct 7 ms 9760 KB Output is correct
43 Correct 7 ms 9728 KB Output is correct
44 Correct 7 ms 9728 KB Output is correct
45 Correct 7 ms 9728 KB Output is correct
46 Correct 7 ms 9728 KB Output is correct
47 Correct 7 ms 9728 KB Output is correct
48 Correct 7 ms 9856 KB Output is correct
49 Correct 7 ms 9728 KB Output is correct
50 Correct 7 ms 9728 KB Output is correct
51 Correct 7 ms 9728 KB Output is correct
52 Correct 7 ms 9728 KB Output is correct
53 Correct 8 ms 9728 KB Output is correct
54 Correct 12 ms 9984 KB Output is correct
55 Correct 12 ms 9984 KB Output is correct
56 Correct 64 ms 12536 KB Output is correct
57 Correct 48 ms 12536 KB Output is correct
58 Correct 57 ms 12536 KB Output is correct
59 Correct 144 ms 21752 KB Output is correct
60 Correct 64 ms 12536 KB Output is correct
61 Correct 46 ms 12408 KB Output is correct
62 Correct 148 ms 21880 KB Output is correct
63 Correct 148 ms 21880 KB Output is correct
64 Correct 151 ms 21880 KB Output is correct
65 Correct 64 ms 12536 KB Output is correct
66 Correct 145 ms 21880 KB Output is correct
67 Correct 150 ms 21736 KB Output is correct
68 Correct 147 ms 21880 KB Output is correct
69 Correct 6 ms 9728 KB Output is correct
70 Correct 7 ms 9728 KB Output is correct
71 Correct 140 ms 21928 KB Output is correct
72 Correct 142 ms 22052 KB Output is correct
73 Correct 141 ms 22008 KB Output is correct
74 Correct 6 ms 9728 KB Output is correct
75 Correct 6 ms 9728 KB Output is correct
76 Correct 6 ms 9728 KB Output is correct
77 Correct 7 ms 9728 KB Output is correct
78 Correct 155 ms 21880 KB Output is correct
79 Correct 183 ms 21880 KB Output is correct
80 Correct 152 ms 21848 KB Output is correct
81 Correct 147 ms 21880 KB Output is correct
82 Correct 148 ms 22008 KB Output is correct
83 Correct 174 ms 21928 KB Output is correct
84 Correct 6 ms 9728 KB Output is correct
85 Correct 7 ms 9728 KB Output is correct
86 Correct 7 ms 9728 KB Output is correct
87 Correct 7 ms 9728 KB Output is correct
88 Correct 7 ms 9728 KB Output is correct
89 Correct 7 ms 9728 KB Output is correct
90 Correct 7 ms 9728 KB Output is correct
91 Correct 7 ms 9856 KB Output is correct
92 Correct 7 ms 9728 KB Output is correct
93 Correct 7 ms 9728 KB Output is correct
94 Correct 7 ms 9856 KB Output is correct
95 Correct 7 ms 9856 KB Output is correct
96 Correct 7 ms 9728 KB Output is correct
97 Correct 7 ms 9856 KB Output is correct
98 Correct 7 ms 9856 KB Output is correct
99 Correct 7 ms 9856 KB Output is correct
100 Correct 7 ms 9728 KB Output is correct
101 Correct 16 ms 10368 KB Output is correct
102 Correct 17 ms 10104 KB Output is correct
103 Correct 170 ms 17280 KB Output is correct
104 Correct 67 ms 12540 KB Output is correct
105 Correct 104 ms 12660 KB Output is correct
106 Correct 149 ms 21880 KB Output is correct
107 Correct 76 ms 12664 KB Output is correct
108 Correct 56 ms 12536 KB Output is correct
109 Correct 150 ms 21880 KB Output is correct
110 Correct 146 ms 21880 KB Output is correct
111 Correct 155 ms 22008 KB Output is correct
112 Correct 154 ms 19960 KB Output is correct
113 Correct 227 ms 21880 KB Output is correct
114 Correct 152 ms 22136 KB Output is correct
115 Correct 149 ms 21856 KB Output is correct