#include "shoes.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int bit[500009];
int n;
void upd(int idx, int val){
for(++idx; idx <= n; idx += idx&(-idx))
bit[idx] += val;
}
int get(int idx){
int ret = 0;
for(++idx; idx > 0; idx -= idx&(-idx))
ret += bit[idx];
return ret;
}
queue<int> lef[500009];
queue<int> rig[500009];
set<pii> v;
long long count_swaps(vector<int> s) {
ll ans = 0;
n = s.size();
for(int i = 0; i < n; ++i){
v.insert({i, s[i]});
if(s[i] < 0)
lef[-s[i]].push(i);
else
rig[s[i]].push(i);
upd(i, 1);
}
while(v.size()){
pii cur = *v.begin();
v.erase(v.begin());
pii pair;
if(cur.ss < 0){
pair = {rig[-cur.ss].front(), -cur.ss};
rig[-cur.ss].pop();
lef[-cur.ss].pop();
}
else{
pair = {lef[cur.ss].front(), -cur.ss};
lef[cur.ss].pop();
rig[cur.ss].pop();
}
v.erase(pair);
ans += get(pair.ff)-1;
upd(cur.ff, -1);
upd(pair.ff, -1);
if(cur.ss < 0)
--ans;
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
504 ms |
673656 KB |
Output is correct |
2 |
Correct |
505 ms |
673532 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
504 ms |
673656 KB |
Output is correct |
2 |
Correct |
505 ms |
673532 KB |
Output is correct |
3 |
Correct |
498 ms |
673528 KB |
Output is correct |
4 |
Correct |
515 ms |
673528 KB |
Output is correct |
5 |
Correct |
505 ms |
673532 KB |
Output is correct |
6 |
Correct |
503 ms |
673528 KB |
Output is correct |
7 |
Correct |
506 ms |
673528 KB |
Output is correct |
8 |
Correct |
507 ms |
673528 KB |
Output is correct |
9 |
Correct |
508 ms |
673720 KB |
Output is correct |
10 |
Correct |
508 ms |
673556 KB |
Output is correct |
11 |
Correct |
503 ms |
673528 KB |
Output is correct |
12 |
Correct |
503 ms |
673528 KB |
Output is correct |
13 |
Correct |
516 ms |
673500 KB |
Output is correct |
14 |
Correct |
497 ms |
673528 KB |
Output is correct |
15 |
Correct |
515 ms |
673560 KB |
Output is correct |
16 |
Correct |
503 ms |
673448 KB |
Output is correct |
17 |
Correct |
508 ms |
673460 KB |
Output is correct |
18 |
Correct |
510 ms |
673528 KB |
Output is correct |
19 |
Correct |
504 ms |
673528 KB |
Output is correct |
20 |
Correct |
502 ms |
673596 KB |
Output is correct |
21 |
Correct |
506 ms |
673656 KB |
Output is correct |
22 |
Correct |
509 ms |
673532 KB |
Output is correct |
23 |
Correct |
520 ms |
673540 KB |
Output is correct |
24 |
Correct |
509 ms |
673528 KB |
Output is correct |
25 |
Correct |
502 ms |
673528 KB |
Output is correct |
26 |
Correct |
511 ms |
673516 KB |
Output is correct |
27 |
Correct |
506 ms |
673528 KB |
Output is correct |
28 |
Correct |
502 ms |
673528 KB |
Output is correct |
29 |
Correct |
509 ms |
673656 KB |
Output is correct |
30 |
Correct |
507 ms |
673528 KB |
Output is correct |
31 |
Correct |
509 ms |
673500 KB |
Output is correct |
32 |
Correct |
507 ms |
673636 KB |
Output is correct |
33 |
Correct |
497 ms |
673500 KB |
Output is correct |
34 |
Correct |
503 ms |
673656 KB |
Output is correct |
35 |
Correct |
514 ms |
673528 KB |
Output is correct |
36 |
Correct |
502 ms |
673528 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
504 ms |
673656 KB |
Output is correct |
2 |
Correct |
505 ms |
673532 KB |
Output is correct |
3 |
Correct |
504 ms |
673656 KB |
Output is correct |
4 |
Correct |
513 ms |
673528 KB |
Output is correct |
5 |
Correct |
500 ms |
673672 KB |
Output is correct |
6 |
Correct |
507 ms |
673660 KB |
Output is correct |
7 |
Correct |
513 ms |
673528 KB |
Output is correct |
8 |
Correct |
503 ms |
673528 KB |
Output is correct |
9 |
Correct |
510 ms |
673528 KB |
Output is correct |
10 |
Correct |
511 ms |
673528 KB |
Output is correct |
11 |
Correct |
509 ms |
673528 KB |
Output is correct |
12 |
Correct |
510 ms |
673528 KB |
Output is correct |
13 |
Correct |
504 ms |
673520 KB |
Output is correct |
14 |
Correct |
506 ms |
673528 KB |
Output is correct |
15 |
Correct |
505 ms |
673528 KB |
Output is correct |
16 |
Correct |
504 ms |
673528 KB |
Output is correct |
17 |
Correct |
557 ms |
673696 KB |
Output is correct |
18 |
Correct |
546 ms |
673788 KB |
Output is correct |
19 |
Correct |
539 ms |
673656 KB |
Output is correct |
20 |
Correct |
574 ms |
674936 KB |
Output is correct |
21 |
Correct |
553 ms |
674936 KB |
Output is correct |
22 |
Correct |
637 ms |
686456 KB |
Output is correct |
23 |
Correct |
665 ms |
687424 KB |
Output is correct |
24 |
Correct |
720 ms |
687420 KB |
Output is correct |
25 |
Correct |
650 ms |
687224 KB |
Output is correct |
26 |
Correct |
661 ms |
687480 KB |
Output is correct |
27 |
Correct |
643 ms |
687216 KB |
Output is correct |
28 |
Correct |
668 ms |
687352 KB |
Output is correct |
29 |
Correct |
668 ms |
687364 KB |
Output is correct |
30 |
Correct |
640 ms |
687352 KB |
Output is correct |
31 |
Correct |
657 ms |
687352 KB |
Output is correct |
32 |
Correct |
654 ms |
687352 KB |
Output is correct |
33 |
Correct |
663 ms |
687220 KB |
Output is correct |
34 |
Correct |
677 ms |
687564 KB |
Output is correct |
35 |
Correct |
520 ms |
673528 KB |
Output is correct |
36 |
Correct |
511 ms |
673528 KB |
Output is correct |
37 |
Correct |
644 ms |
687352 KB |
Output is correct |
38 |
Correct |
645 ms |
687416 KB |
Output is correct |
39 |
Correct |
641 ms |
687480 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
524 ms |
673528 KB |
Output is correct |
2 |
Correct |
506 ms |
673528 KB |
Output is correct |
3 |
Correct |
520 ms |
673560 KB |
Output is correct |
4 |
Correct |
517 ms |
673528 KB |
Output is correct |
5 |
Correct |
681 ms |
686416 KB |
Output is correct |
6 |
Correct |
649 ms |
686840 KB |
Output is correct |
7 |
Correct |
677 ms |
686584 KB |
Output is correct |
8 |
Correct |
638 ms |
687352 KB |
Output is correct |
9 |
Correct |
665 ms |
686584 KB |
Output is correct |
10 |
Correct |
680 ms |
686712 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
504 ms |
673656 KB |
Output is correct |
2 |
Correct |
505 ms |
673532 KB |
Output is correct |
3 |
Correct |
498 ms |
673528 KB |
Output is correct |
4 |
Correct |
515 ms |
673528 KB |
Output is correct |
5 |
Correct |
505 ms |
673532 KB |
Output is correct |
6 |
Correct |
503 ms |
673528 KB |
Output is correct |
7 |
Correct |
506 ms |
673528 KB |
Output is correct |
8 |
Correct |
507 ms |
673528 KB |
Output is correct |
9 |
Correct |
508 ms |
673720 KB |
Output is correct |
10 |
Correct |
508 ms |
673556 KB |
Output is correct |
11 |
Correct |
503 ms |
673528 KB |
Output is correct |
12 |
Correct |
503 ms |
673528 KB |
Output is correct |
13 |
Correct |
516 ms |
673500 KB |
Output is correct |
14 |
Correct |
497 ms |
673528 KB |
Output is correct |
15 |
Correct |
515 ms |
673560 KB |
Output is correct |
16 |
Correct |
503 ms |
673448 KB |
Output is correct |
17 |
Correct |
508 ms |
673460 KB |
Output is correct |
18 |
Correct |
510 ms |
673528 KB |
Output is correct |
19 |
Correct |
504 ms |
673528 KB |
Output is correct |
20 |
Correct |
502 ms |
673596 KB |
Output is correct |
21 |
Correct |
506 ms |
673656 KB |
Output is correct |
22 |
Correct |
509 ms |
673532 KB |
Output is correct |
23 |
Correct |
520 ms |
673540 KB |
Output is correct |
24 |
Correct |
509 ms |
673528 KB |
Output is correct |
25 |
Correct |
502 ms |
673528 KB |
Output is correct |
26 |
Correct |
511 ms |
673516 KB |
Output is correct |
27 |
Correct |
506 ms |
673528 KB |
Output is correct |
28 |
Correct |
502 ms |
673528 KB |
Output is correct |
29 |
Correct |
509 ms |
673656 KB |
Output is correct |
30 |
Correct |
507 ms |
673528 KB |
Output is correct |
31 |
Correct |
509 ms |
673500 KB |
Output is correct |
32 |
Correct |
507 ms |
673636 KB |
Output is correct |
33 |
Correct |
497 ms |
673500 KB |
Output is correct |
34 |
Correct |
503 ms |
673656 KB |
Output is correct |
35 |
Correct |
514 ms |
673528 KB |
Output is correct |
36 |
Correct |
502 ms |
673528 KB |
Output is correct |
37 |
Correct |
516 ms |
673532 KB |
Output is correct |
38 |
Correct |
528 ms |
673600 KB |
Output is correct |
39 |
Correct |
511 ms |
673644 KB |
Output is correct |
40 |
Correct |
530 ms |
673564 KB |
Output is correct |
41 |
Correct |
517 ms |
673656 KB |
Output is correct |
42 |
Correct |
516 ms |
673708 KB |
Output is correct |
43 |
Correct |
521 ms |
673784 KB |
Output is correct |
44 |
Correct |
526 ms |
673656 KB |
Output is correct |
45 |
Correct |
506 ms |
673688 KB |
Output is correct |
46 |
Correct |
514 ms |
673660 KB |
Output is correct |
47 |
Correct |
519 ms |
673656 KB |
Output is correct |
48 |
Correct |
516 ms |
673656 KB |
Output is correct |
49 |
Correct |
509 ms |
673656 KB |
Output is correct |
50 |
Correct |
548 ms |
673656 KB |
Output is correct |
51 |
Correct |
548 ms |
673784 KB |
Output is correct |
52 |
Correct |
512 ms |
673736 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
504 ms |
673656 KB |
Output is correct |
2 |
Correct |
505 ms |
673532 KB |
Output is correct |
3 |
Correct |
498 ms |
673528 KB |
Output is correct |
4 |
Correct |
515 ms |
673528 KB |
Output is correct |
5 |
Correct |
505 ms |
673532 KB |
Output is correct |
6 |
Correct |
503 ms |
673528 KB |
Output is correct |
7 |
Correct |
506 ms |
673528 KB |
Output is correct |
8 |
Correct |
507 ms |
673528 KB |
Output is correct |
9 |
Correct |
508 ms |
673720 KB |
Output is correct |
10 |
Correct |
508 ms |
673556 KB |
Output is correct |
11 |
Correct |
503 ms |
673528 KB |
Output is correct |
12 |
Correct |
503 ms |
673528 KB |
Output is correct |
13 |
Correct |
516 ms |
673500 KB |
Output is correct |
14 |
Correct |
497 ms |
673528 KB |
Output is correct |
15 |
Correct |
515 ms |
673560 KB |
Output is correct |
16 |
Correct |
503 ms |
673448 KB |
Output is correct |
17 |
Correct |
508 ms |
673460 KB |
Output is correct |
18 |
Correct |
510 ms |
673528 KB |
Output is correct |
19 |
Correct |
504 ms |
673528 KB |
Output is correct |
20 |
Correct |
502 ms |
673596 KB |
Output is correct |
21 |
Correct |
506 ms |
673656 KB |
Output is correct |
22 |
Correct |
509 ms |
673532 KB |
Output is correct |
23 |
Correct |
520 ms |
673540 KB |
Output is correct |
24 |
Correct |
509 ms |
673528 KB |
Output is correct |
25 |
Correct |
502 ms |
673528 KB |
Output is correct |
26 |
Correct |
511 ms |
673516 KB |
Output is correct |
27 |
Correct |
506 ms |
673528 KB |
Output is correct |
28 |
Correct |
502 ms |
673528 KB |
Output is correct |
29 |
Correct |
509 ms |
673656 KB |
Output is correct |
30 |
Correct |
507 ms |
673528 KB |
Output is correct |
31 |
Correct |
509 ms |
673500 KB |
Output is correct |
32 |
Correct |
507 ms |
673636 KB |
Output is correct |
33 |
Correct |
497 ms |
673500 KB |
Output is correct |
34 |
Correct |
503 ms |
673656 KB |
Output is correct |
35 |
Correct |
514 ms |
673528 KB |
Output is correct |
36 |
Correct |
502 ms |
673528 KB |
Output is correct |
37 |
Correct |
504 ms |
673656 KB |
Output is correct |
38 |
Correct |
513 ms |
673528 KB |
Output is correct |
39 |
Correct |
500 ms |
673672 KB |
Output is correct |
40 |
Correct |
507 ms |
673660 KB |
Output is correct |
41 |
Correct |
513 ms |
673528 KB |
Output is correct |
42 |
Correct |
503 ms |
673528 KB |
Output is correct |
43 |
Correct |
510 ms |
673528 KB |
Output is correct |
44 |
Correct |
511 ms |
673528 KB |
Output is correct |
45 |
Correct |
509 ms |
673528 KB |
Output is correct |
46 |
Correct |
510 ms |
673528 KB |
Output is correct |
47 |
Correct |
504 ms |
673520 KB |
Output is correct |
48 |
Correct |
506 ms |
673528 KB |
Output is correct |
49 |
Correct |
505 ms |
673528 KB |
Output is correct |
50 |
Correct |
504 ms |
673528 KB |
Output is correct |
51 |
Correct |
557 ms |
673696 KB |
Output is correct |
52 |
Correct |
546 ms |
673788 KB |
Output is correct |
53 |
Correct |
539 ms |
673656 KB |
Output is correct |
54 |
Correct |
574 ms |
674936 KB |
Output is correct |
55 |
Correct |
553 ms |
674936 KB |
Output is correct |
56 |
Correct |
637 ms |
686456 KB |
Output is correct |
57 |
Correct |
665 ms |
687424 KB |
Output is correct |
58 |
Correct |
720 ms |
687420 KB |
Output is correct |
59 |
Correct |
650 ms |
687224 KB |
Output is correct |
60 |
Correct |
661 ms |
687480 KB |
Output is correct |
61 |
Correct |
643 ms |
687216 KB |
Output is correct |
62 |
Correct |
668 ms |
687352 KB |
Output is correct |
63 |
Correct |
668 ms |
687364 KB |
Output is correct |
64 |
Correct |
640 ms |
687352 KB |
Output is correct |
65 |
Correct |
657 ms |
687352 KB |
Output is correct |
66 |
Correct |
654 ms |
687352 KB |
Output is correct |
67 |
Correct |
663 ms |
687220 KB |
Output is correct |
68 |
Correct |
677 ms |
687564 KB |
Output is correct |
69 |
Correct |
520 ms |
673528 KB |
Output is correct |
70 |
Correct |
511 ms |
673528 KB |
Output is correct |
71 |
Correct |
644 ms |
687352 KB |
Output is correct |
72 |
Correct |
645 ms |
687416 KB |
Output is correct |
73 |
Correct |
641 ms |
687480 KB |
Output is correct |
74 |
Correct |
524 ms |
673528 KB |
Output is correct |
75 |
Correct |
506 ms |
673528 KB |
Output is correct |
76 |
Correct |
520 ms |
673560 KB |
Output is correct |
77 |
Correct |
517 ms |
673528 KB |
Output is correct |
78 |
Correct |
681 ms |
686416 KB |
Output is correct |
79 |
Correct |
649 ms |
686840 KB |
Output is correct |
80 |
Correct |
677 ms |
686584 KB |
Output is correct |
81 |
Correct |
638 ms |
687352 KB |
Output is correct |
82 |
Correct |
665 ms |
686584 KB |
Output is correct |
83 |
Correct |
680 ms |
686712 KB |
Output is correct |
84 |
Correct |
516 ms |
673532 KB |
Output is correct |
85 |
Correct |
528 ms |
673600 KB |
Output is correct |
86 |
Correct |
511 ms |
673644 KB |
Output is correct |
87 |
Correct |
530 ms |
673564 KB |
Output is correct |
88 |
Correct |
517 ms |
673656 KB |
Output is correct |
89 |
Correct |
516 ms |
673708 KB |
Output is correct |
90 |
Correct |
521 ms |
673784 KB |
Output is correct |
91 |
Correct |
526 ms |
673656 KB |
Output is correct |
92 |
Correct |
506 ms |
673688 KB |
Output is correct |
93 |
Correct |
514 ms |
673660 KB |
Output is correct |
94 |
Correct |
519 ms |
673656 KB |
Output is correct |
95 |
Correct |
516 ms |
673656 KB |
Output is correct |
96 |
Correct |
509 ms |
673656 KB |
Output is correct |
97 |
Correct |
548 ms |
673656 KB |
Output is correct |
98 |
Correct |
548 ms |
673784 KB |
Output is correct |
99 |
Correct |
512 ms |
673736 KB |
Output is correct |
100 |
Correct |
512 ms |
673656 KB |
Output is correct |
101 |
Correct |
516 ms |
674808 KB |
Output is correct |
102 |
Correct |
534 ms |
674936 KB |
Output is correct |
103 |
Correct |
754 ms |
686488 KB |
Output is correct |
104 |
Correct |
686 ms |
686456 KB |
Output is correct |
105 |
Correct |
687 ms |
686580 KB |
Output is correct |
106 |
Correct |
675 ms |
686572 KB |
Output is correct |
107 |
Correct |
672 ms |
686708 KB |
Output is correct |
108 |
Correct |
666 ms |
686584 KB |
Output is correct |
109 |
Correct |
642 ms |
687352 KB |
Output is correct |
110 |
Correct |
646 ms |
687352 KB |
Output is correct |
111 |
Correct |
681 ms |
686460 KB |
Output is correct |
112 |
Correct |
722 ms |
686584 KB |
Output is correct |
113 |
Correct |
695 ms |
686588 KB |
Output is correct |
114 |
Correct |
678 ms |
686476 KB |
Output is correct |
115 |
Correct |
674 ms |
686460 KB |
Output is correct |