oj.uz

Submission #297261

# Submission time Handle Problem Language Result Execution time Memory
297261 2020-09-11T12:48:18 Z infinite_iq Arranging Shoes (IOI19_shoes) C++14
100 / 100
 950 ms 44792 KB 
#include <bits/stdc++.h>
using namespace std ;
#define mid (l+r)/2
#define le node*2
#define ri node*2+1
#define C continue 
#define pb push_back 
#define ins insert 
typedef vector <int> vi ;
typedef long long ll ;
#include "shoes.h"
int N , n ;
vi  v [200009] ;
int a [200009] ;
set < int > comp ;
map < int , int > id12 , id21 ;
int tree [800009] ;
void build ( int node , int l , int r ) {
        if ( l == r ) {
                tree [node] = 1 ;
                return ;
        }
        build ( le , l , mid ) ;
        build ( ri , mid + 1 , r ) ;
        tree [node] = tree [le] + tree [ri] ;
}
void upd ( int node , int l , int r , int id ) {
        if ( l == r ) {
                tree [node] = 0 ;
                return ;
        }
        if ( id <= mid ) upd ( le , l , mid , id ) ;
        else upd ( ri , mid + 1 , r , id ) ;
        tree [node] = tree [le] + tree [ri] ;
}
int query ( int node , int l , int r , int s , int e ) {
        if ( s > r || e < l || s > e ) return 0 ;
        if ( s <= l && e >= r ) return tree [node] ;
        return query ( le , l , mid , s , e ) + query ( ri , mid + 1 , r , s , e ) ;
}
long long count_swaps ( vi s ) {
        n = s.size () ;
        for ( int i = 0 ; i < n ; i ++ ) {
                comp .ins ( s [i] ) ;
        }
        for ( auto u : comp ) {
                id12 [u] = N ;
                id21 [N] = u ;
                N ++ ;
        }
        for ( int i = 0 ; i < n ; i ++ ) {
                a [i] = id12 [ s [i] ] ;
        }
        for ( int i = n-1 ; i >= 0 ; i -- ) {
                v [ a [i] ] .pb ( i ) ;
        }
        build ( 1 , 0 , n-1 ) ;
        ll ans = 0 ;
        for ( int i = 0 ; i < n ; i ++ ) {
                int x = a [i] ;
                int y = id12 [-id21[x]] ;
                if ( v [x] .back () != i ) C ;
                int l = i + 1 , r = v [y] .back () - 1 ;
                ans += query ( 1 , 0 , n -1 , l , r ) ;
                ans += ( x > y ) ;
                upd ( 1 , 0 , n -1 , r + 1 ) ;
          v [x] .pop_back () ;
                v [y] .pop_back () ;

        }
        return ans ;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 5120 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 5120 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 4 ms 4992 KB Output is correct
24 Correct 4 ms 4992 KB Output is correct
25 Correct 4 ms 4992 KB Output is correct
26 Correct 4 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 4 ms 4992 KB Output is correct
29 Correct 4 ms 5120 KB Output is correct
30 Correct 4 ms 4992 KB Output is correct
31 Correct 4 ms 4992 KB Output is correct
32 Correct 4 ms 4992 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 4 ms 4992 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 5120 KB Output is correct
19 Correct 4 ms 5120 KB Output is correct
20 Correct 11 ms 5760 KB Output is correct
21 Correct 11 ms 5888 KB Output is correct
22 Correct 80 ms 10752 KB Output is correct
23 Correct 60 ms 11116 KB Output is correct
24 Correct 80 ms 11024 KB Output is correct
25 Correct 78 ms 11000 KB Output is correct
26 Correct 84 ms 10988 KB Output is correct
27 Correct 56 ms 11116 KB Output is correct
28 Correct 79 ms 10992 KB Output is correct
29 Correct 81 ms 10992 KB Output is correct
30 Correct 82 ms 10992 KB Output is correct
31 Correct 85 ms 11140 KB Output is correct
32 Correct 81 ms 10992 KB Output is correct
33 Correct 79 ms 10992 KB Output is correct
34 Correct 83 ms 10992 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct
37 Correct 81 ms 10992 KB Output is correct
38 Correct 84 ms 10992 KB Output is correct
39 Correct 80 ms 11024 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 753 ms 44024 KB Output is correct
6 Correct 245 ms 13304 KB Output is correct
7 Correct 757 ms 43896 KB Output is correct
8 Correct 87 ms 10292 KB Output is correct
9 Correct 750 ms 44028 KB Output is correct
10 Correct 548 ms 26616 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 5120 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 5120 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 4 ms 4992 KB Output is correct
24 Correct 4 ms 4992 KB Output is correct
25 Correct 4 ms 4992 KB Output is correct
26 Correct 4 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 4 ms 4992 KB Output is correct
29 Correct 4 ms 5120 KB Output is correct
30 Correct 4 ms 4992 KB Output is correct
31 Correct 4 ms 4992 KB Output is correct
32 Correct 4 ms 4992 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 4 ms 4992 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct
37 Correct 4 ms 4992 KB Output is correct
38 Correct 4 ms 5120 KB Output is correct
39 Correct 4 ms 5120 KB Output is correct
40 Correct 4 ms 5120 KB Output is correct
41 Correct 6 ms 5376 KB Output is correct
42 Correct 6 ms 5376 KB Output is correct
43 Correct 6 ms 5376 KB Output is correct
44 Correct 6 ms 5376 KB Output is correct
45 Correct 6 ms 5248 KB Output is correct
46 Correct 5 ms 5248 KB Output is correct
47 Correct 5 ms 5248 KB Output is correct
48 Correct 5 ms 5120 KB Output is correct
49 Correct 5 ms 5120 KB Output is correct
50 Correct 4 ms 5120 KB Output is correct
51 Correct 4 ms 5120 KB Output is correct
52 Correct 6 ms 5376 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 5120 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 5120 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 4 ms 4992 KB Output is correct
24 Correct 4 ms 4992 KB Output is correct
25 Correct 4 ms 4992 KB Output is correct
26 Correct 4 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 4 ms 4992 KB Output is correct
29 Correct 4 ms 5120 KB Output is correct
30 Correct 4 ms 4992 KB Output is correct
31 Correct 4 ms 4992 KB Output is correct
32 Correct 4 ms 4992 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 4 ms 4992 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct
37 Correct 4 ms 4992 KB Output is correct
38 Correct 4 ms 4992 KB Output is correct
39 Correct 4 ms 4992 KB Output is correct
40 Correct 4 ms 4992 KB Output is correct
41 Correct 4 ms 4992 KB Output is correct
42 Correct 4 ms 4992 KB Output is correct
43 Correct 4 ms 4992 KB Output is correct
44 Correct 4 ms 4992 KB Output is correct
45 Correct 4 ms 4992 KB Output is correct
46 Correct 4 ms 4992 KB Output is correct
47 Correct 4 ms 4992 KB Output is correct
48 Correct 4 ms 4992 KB Output is correct
49 Correct 4 ms 4992 KB Output is correct
50 Correct 4 ms 4992 KB Output is correct
51 Correct 4 ms 4992 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct
53 Correct 4 ms 5120 KB Output is correct
54 Correct 11 ms 5760 KB Output is correct
55 Correct 11 ms 5888 KB Output is correct
56 Correct 80 ms 10752 KB Output is correct
57 Correct 60 ms 11116 KB Output is correct
58 Correct 80 ms 11024 KB Output is correct
59 Correct 78 ms 11000 KB Output is correct
60 Correct 84 ms 10988 KB Output is correct
61 Correct 56 ms 11116 KB Output is correct
62 Correct 79 ms 10992 KB Output is correct
63 Correct 81 ms 10992 KB Output is correct
64 Correct 82 ms 10992 KB Output is correct
65 Correct 85 ms 11140 KB Output is correct
66 Correct 81 ms 10992 KB Output is correct
67 Correct 79 ms 10992 KB Output is correct
68 Correct 83 ms 10992 KB Output is correct
69 Correct 4 ms 4992 KB Output is correct
70 Correct 4 ms 4992 KB Output is correct
71 Correct 81 ms 10992 KB Output is correct
72 Correct 84 ms 10992 KB Output is correct
73 Correct 80 ms 11024 KB Output is correct
74 Correct 4 ms 4992 KB Output is correct
75 Correct 4 ms 4992 KB Output is correct
76 Correct 4 ms 4992 KB Output is correct
77 Correct 3 ms 4992 KB Output is correct
78 Correct 753 ms 44024 KB Output is correct
79 Correct 245 ms 13304 KB Output is correct
80 Correct 757 ms 43896 KB Output is correct
81 Correct 87 ms 10292 KB Output is correct
82 Correct 750 ms 44028 KB Output is correct
83 Correct 548 ms 26616 KB Output is correct
84 Correct 4 ms 4992 KB Output is correct
85 Correct 4 ms 5120 KB Output is correct
86 Correct 4 ms 5120 KB Output is correct
87 Correct 4 ms 5120 KB Output is correct
88 Correct 6 ms 5376 KB Output is correct
89 Correct 6 ms 5376 KB Output is correct
90 Correct 6 ms 5376 KB Output is correct
91 Correct 6 ms 5376 KB Output is correct
92 Correct 6 ms 5248 KB Output is correct
93 Correct 5 ms 5248 KB Output is correct
94 Correct 5 ms 5248 KB Output is correct
95 Correct 5 ms 5120 KB Output is correct
96 Correct 5 ms 5120 KB Output is correct
97 Correct 4 ms 5120 KB Output is correct
98 Correct 4 ms 5120 KB Output is correct
99 Correct 6 ms 5376 KB Output is correct
100 Correct 6 ms 5376 KB Output is correct
101 Correct 52 ms 8696 KB Output is correct
102 Correct 26 ms 6400 KB Output is correct
103 Correct 950 ms 44664 KB Output is correct
104 Correct 694 ms 44792 KB Output is correct
105 Correct 648 ms 29816 KB Output is correct
106 Correct 750 ms 44536 KB Output is correct
107 Correct 265 ms 14840 KB Output is correct
108 Correct 314 ms 18424 KB Output is correct
109 Correct 84 ms 11184 KB Output is correct
110 Correct 82 ms 10992 KB Output is correct
111 Correct 746 ms 40748 KB Output is correct
112 Correct 782 ms 36856 KB Output is correct
113 Correct 299 ms 15096 KB Output is correct
114 Correct 764 ms 44716 KB Output is correct
115 Correct 757 ms 44664 KB Output is correct