import java.util.ArrayList;
import java.util.*;
public class shoes {
public long count_swaps(int[] s) {
int n=s.length;
PriorityQueue<Integer>pos[]=new PriorityQueue[n];
PriorityQueue<Integer>neg[]=new PriorityQueue[n];
for(int i=0;i<n;i++){
pos[i]=new PriorityQueue<>();
neg[i]=new PriorityQueue<>();
update(i,1,220000);
}
for(int i=0;i<n;i++){
if(s[i]>0){
pos[s[i]].add(i);
}
else{
neg[-1*s[i]].add(i);
}
}
// for(int i=0;i<n;i++){
// Collections.sort(pos[i]);
// }
long ans=0;
boolean[]visited=new boolean[n];
for(int i=0;i<n;i++){
if(!visited[i]){
if(s[i]>0){
visited[i]=true;
pos[s[i]].poll();
int idx=neg[s[i]].poll();
visited[idx]=true;
long add=query(idx)-query(i);
ans+=add==0?0:add;
update(idx,-1,220000);
}
else{
visited[i]=true;
neg[-1*s[i]].poll();
int idx=pos[-1*s[i]].poll();
visited[idx]=true;
long add=query(idx)-query(i);
ans+=add==0?0:add-1;
update(idx,-1,220000);
}
}
}
return ans;
}
long[]BIT=new long[250000];
void update(int x, long val,int n)
{
x+=5;
for(; x <= n; x += x&-x)
BIT[x] += val;
}
long query(int x)
{
int cop=x+5;
long sum = 0;
for(; cop > 0; cop -= cop&-cop){
if(cop==150000)
x=x;
sum += BIT[cop];
}
return sum;
}
}
Compilation message
Note: shoes.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
11440 KB |
Output is correct |
2 |
Correct |
97 ms |
11500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
11440 KB |
Output is correct |
2 |
Correct |
97 ms |
11500 KB |
Output is correct |
3 |
Correct |
94 ms |
11632 KB |
Output is correct |
4 |
Correct |
96 ms |
11608 KB |
Output is correct |
5 |
Correct |
96 ms |
11588 KB |
Output is correct |
6 |
Correct |
96 ms |
11732 KB |
Output is correct |
7 |
Correct |
92 ms |
11552 KB |
Output is correct |
8 |
Correct |
103 ms |
11668 KB |
Output is correct |
9 |
Correct |
101 ms |
11532 KB |
Output is correct |
10 |
Correct |
94 ms |
11440 KB |
Output is correct |
11 |
Correct |
93 ms |
11552 KB |
Output is correct |
12 |
Correct |
94 ms |
11636 KB |
Output is correct |
13 |
Correct |
96 ms |
11700 KB |
Output is correct |
14 |
Correct |
92 ms |
11788 KB |
Output is correct |
15 |
Correct |
92 ms |
11536 KB |
Output is correct |
16 |
Correct |
91 ms |
11612 KB |
Output is correct |
17 |
Correct |
99 ms |
11404 KB |
Output is correct |
18 |
Correct |
113 ms |
11500 KB |
Output is correct |
19 |
Correct |
92 ms |
11544 KB |
Output is correct |
20 |
Correct |
96 ms |
11504 KB |
Output is correct |
21 |
Correct |
93 ms |
11628 KB |
Output is correct |
22 |
Correct |
97 ms |
11628 KB |
Output is correct |
23 |
Correct |
91 ms |
11540 KB |
Output is correct |
24 |
Correct |
91 ms |
11412 KB |
Output is correct |
25 |
Correct |
90 ms |
11536 KB |
Output is correct |
26 |
Correct |
93 ms |
11732 KB |
Output is correct |
27 |
Correct |
96 ms |
11528 KB |
Output is correct |
28 |
Correct |
91 ms |
11592 KB |
Output is correct |
29 |
Correct |
90 ms |
11336 KB |
Output is correct |
30 |
Correct |
92 ms |
11668 KB |
Output is correct |
31 |
Correct |
157 ms |
11660 KB |
Output is correct |
32 |
Correct |
92 ms |
11584 KB |
Output is correct |
33 |
Correct |
92 ms |
11780 KB |
Output is correct |
34 |
Correct |
89 ms |
11652 KB |
Output is correct |
35 |
Correct |
96 ms |
11628 KB |
Output is correct |
36 |
Correct |
100 ms |
11780 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
11440 KB |
Output is correct |
2 |
Correct |
97 ms |
11500 KB |
Output is correct |
3 |
Correct |
90 ms |
11568 KB |
Output is correct |
4 |
Correct |
91 ms |
11696 KB |
Output is correct |
5 |
Correct |
90 ms |
11440 KB |
Output is correct |
6 |
Correct |
94 ms |
11628 KB |
Output is correct |
7 |
Correct |
95 ms |
11428 KB |
Output is correct |
8 |
Correct |
106 ms |
11516 KB |
Output is correct |
9 |
Correct |
92 ms |
11404 KB |
Output is correct |
10 |
Correct |
93 ms |
11644 KB |
Output is correct |
11 |
Correct |
93 ms |
11472 KB |
Output is correct |
12 |
Correct |
93 ms |
11328 KB |
Output is correct |
13 |
Correct |
90 ms |
11564 KB |
Output is correct |
14 |
Correct |
93 ms |
11508 KB |
Output is correct |
15 |
Correct |
92 ms |
11664 KB |
Output is correct |
16 |
Correct |
98 ms |
11732 KB |
Output is correct |
17 |
Correct |
99 ms |
11964 KB |
Output is correct |
18 |
Correct |
109 ms |
12248 KB |
Output is correct |
19 |
Correct |
111 ms |
12364 KB |
Output is correct |
20 |
Correct |
176 ms |
17848 KB |
Output is correct |
21 |
Correct |
191 ms |
18088 KB |
Output is correct |
22 |
Correct |
616 ms |
80668 KB |
Output is correct |
23 |
Correct |
554 ms |
81016 KB |
Output is correct |
24 |
Correct |
647 ms |
82068 KB |
Output is correct |
25 |
Correct |
565 ms |
80036 KB |
Output is correct |
26 |
Correct |
542 ms |
80816 KB |
Output is correct |
27 |
Correct |
563 ms |
80124 KB |
Output is correct |
28 |
Correct |
533 ms |
80092 KB |
Output is correct |
29 |
Correct |
567 ms |
80508 KB |
Output is correct |
30 |
Correct |
636 ms |
80260 KB |
Output is correct |
31 |
Correct |
653 ms |
82552 KB |
Output is correct |
32 |
Correct |
681 ms |
80228 KB |
Output is correct |
33 |
Correct |
567 ms |
80052 KB |
Output is correct |
34 |
Correct |
603 ms |
80156 KB |
Output is correct |
35 |
Correct |
91 ms |
11520 KB |
Output is correct |
36 |
Correct |
91 ms |
11732 KB |
Output is correct |
37 |
Correct |
564 ms |
80364 KB |
Output is correct |
38 |
Correct |
538 ms |
80212 KB |
Output is correct |
39 |
Correct |
618 ms |
79992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
90 ms |
11588 KB |
Output is correct |
2 |
Correct |
90 ms |
11600 KB |
Output is correct |
3 |
Correct |
87 ms |
11520 KB |
Output is correct |
4 |
Correct |
89 ms |
11648 KB |
Output is correct |
5 |
Correct |
486 ms |
77820 KB |
Output is correct |
6 |
Correct |
516 ms |
80196 KB |
Output is correct |
7 |
Correct |
507 ms |
78768 KB |
Output is correct |
8 |
Correct |
624 ms |
80376 KB |
Output is correct |
9 |
Correct |
479 ms |
79024 KB |
Output is correct |
10 |
Correct |
533 ms |
80188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
11440 KB |
Output is correct |
2 |
Correct |
97 ms |
11500 KB |
Output is correct |
3 |
Correct |
94 ms |
11632 KB |
Output is correct |
4 |
Correct |
96 ms |
11608 KB |
Output is correct |
5 |
Correct |
96 ms |
11588 KB |
Output is correct |
6 |
Correct |
96 ms |
11732 KB |
Output is correct |
7 |
Correct |
92 ms |
11552 KB |
Output is correct |
8 |
Correct |
103 ms |
11668 KB |
Output is correct |
9 |
Correct |
101 ms |
11532 KB |
Output is correct |
10 |
Correct |
94 ms |
11440 KB |
Output is correct |
11 |
Correct |
93 ms |
11552 KB |
Output is correct |
12 |
Correct |
94 ms |
11636 KB |
Output is correct |
13 |
Correct |
96 ms |
11700 KB |
Output is correct |
14 |
Correct |
92 ms |
11788 KB |
Output is correct |
15 |
Correct |
92 ms |
11536 KB |
Output is correct |
16 |
Correct |
91 ms |
11612 KB |
Output is correct |
17 |
Correct |
99 ms |
11404 KB |
Output is correct |
18 |
Correct |
113 ms |
11500 KB |
Output is correct |
19 |
Correct |
92 ms |
11544 KB |
Output is correct |
20 |
Correct |
96 ms |
11504 KB |
Output is correct |
21 |
Correct |
93 ms |
11628 KB |
Output is correct |
22 |
Correct |
97 ms |
11628 KB |
Output is correct |
23 |
Correct |
91 ms |
11540 KB |
Output is correct |
24 |
Correct |
91 ms |
11412 KB |
Output is correct |
25 |
Correct |
90 ms |
11536 KB |
Output is correct |
26 |
Correct |
93 ms |
11732 KB |
Output is correct |
27 |
Correct |
96 ms |
11528 KB |
Output is correct |
28 |
Correct |
91 ms |
11592 KB |
Output is correct |
29 |
Correct |
90 ms |
11336 KB |
Output is correct |
30 |
Correct |
92 ms |
11668 KB |
Output is correct |
31 |
Correct |
157 ms |
11660 KB |
Output is correct |
32 |
Correct |
92 ms |
11584 KB |
Output is correct |
33 |
Correct |
92 ms |
11780 KB |
Output is correct |
34 |
Correct |
89 ms |
11652 KB |
Output is correct |
35 |
Correct |
96 ms |
11628 KB |
Output is correct |
36 |
Correct |
100 ms |
11780 KB |
Output is correct |
37 |
Correct |
89 ms |
11620 KB |
Output is correct |
38 |
Correct |
93 ms |
11744 KB |
Output is correct |
39 |
Correct |
92 ms |
11692 KB |
Output is correct |
40 |
Correct |
96 ms |
11784 KB |
Output is correct |
41 |
Correct |
103 ms |
12408 KB |
Output is correct |
42 |
Correct |
102 ms |
11980 KB |
Output is correct |
43 |
Correct |
102 ms |
12184 KB |
Output is correct |
44 |
Correct |
103 ms |
12276 KB |
Output is correct |
45 |
Correct |
104 ms |
12520 KB |
Output is correct |
46 |
Correct |
110 ms |
12380 KB |
Output is correct |
47 |
Correct |
106 ms |
12072 KB |
Output is correct |
48 |
Correct |
107 ms |
12052 KB |
Output is correct |
49 |
Correct |
108 ms |
12060 KB |
Output is correct |
50 |
Correct |
108 ms |
12504 KB |
Output is correct |
51 |
Correct |
108 ms |
12300 KB |
Output is correct |
52 |
Correct |
114 ms |
12168 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
94 ms |
11440 KB |
Output is correct |
2 |
Correct |
97 ms |
11500 KB |
Output is correct |
3 |
Correct |
94 ms |
11632 KB |
Output is correct |
4 |
Correct |
96 ms |
11608 KB |
Output is correct |
5 |
Correct |
96 ms |
11588 KB |
Output is correct |
6 |
Correct |
96 ms |
11732 KB |
Output is correct |
7 |
Correct |
92 ms |
11552 KB |
Output is correct |
8 |
Correct |
103 ms |
11668 KB |
Output is correct |
9 |
Correct |
101 ms |
11532 KB |
Output is correct |
10 |
Correct |
94 ms |
11440 KB |
Output is correct |
11 |
Correct |
93 ms |
11552 KB |
Output is correct |
12 |
Correct |
94 ms |
11636 KB |
Output is correct |
13 |
Correct |
96 ms |
11700 KB |
Output is correct |
14 |
Correct |
92 ms |
11788 KB |
Output is correct |
15 |
Correct |
92 ms |
11536 KB |
Output is correct |
16 |
Correct |
91 ms |
11612 KB |
Output is correct |
17 |
Correct |
99 ms |
11404 KB |
Output is correct |
18 |
Correct |
113 ms |
11500 KB |
Output is correct |
19 |
Correct |
92 ms |
11544 KB |
Output is correct |
20 |
Correct |
96 ms |
11504 KB |
Output is correct |
21 |
Correct |
93 ms |
11628 KB |
Output is correct |
22 |
Correct |
97 ms |
11628 KB |
Output is correct |
23 |
Correct |
91 ms |
11540 KB |
Output is correct |
24 |
Correct |
91 ms |
11412 KB |
Output is correct |
25 |
Correct |
90 ms |
11536 KB |
Output is correct |
26 |
Correct |
93 ms |
11732 KB |
Output is correct |
27 |
Correct |
96 ms |
11528 KB |
Output is correct |
28 |
Correct |
91 ms |
11592 KB |
Output is correct |
29 |
Correct |
90 ms |
11336 KB |
Output is correct |
30 |
Correct |
92 ms |
11668 KB |
Output is correct |
31 |
Correct |
157 ms |
11660 KB |
Output is correct |
32 |
Correct |
92 ms |
11584 KB |
Output is correct |
33 |
Correct |
92 ms |
11780 KB |
Output is correct |
34 |
Correct |
89 ms |
11652 KB |
Output is correct |
35 |
Correct |
96 ms |
11628 KB |
Output is correct |
36 |
Correct |
100 ms |
11780 KB |
Output is correct |
37 |
Correct |
90 ms |
11568 KB |
Output is correct |
38 |
Correct |
91 ms |
11696 KB |
Output is correct |
39 |
Correct |
90 ms |
11440 KB |
Output is correct |
40 |
Correct |
94 ms |
11628 KB |
Output is correct |
41 |
Correct |
95 ms |
11428 KB |
Output is correct |
42 |
Correct |
106 ms |
11516 KB |
Output is correct |
43 |
Correct |
92 ms |
11404 KB |
Output is correct |
44 |
Correct |
93 ms |
11644 KB |
Output is correct |
45 |
Correct |
93 ms |
11472 KB |
Output is correct |
46 |
Correct |
93 ms |
11328 KB |
Output is correct |
47 |
Correct |
90 ms |
11564 KB |
Output is correct |
48 |
Correct |
93 ms |
11508 KB |
Output is correct |
49 |
Correct |
92 ms |
11664 KB |
Output is correct |
50 |
Correct |
98 ms |
11732 KB |
Output is correct |
51 |
Correct |
99 ms |
11964 KB |
Output is correct |
52 |
Correct |
109 ms |
12248 KB |
Output is correct |
53 |
Correct |
111 ms |
12364 KB |
Output is correct |
54 |
Correct |
176 ms |
17848 KB |
Output is correct |
55 |
Correct |
191 ms |
18088 KB |
Output is correct |
56 |
Correct |
616 ms |
80668 KB |
Output is correct |
57 |
Correct |
554 ms |
81016 KB |
Output is correct |
58 |
Correct |
647 ms |
82068 KB |
Output is correct |
59 |
Correct |
565 ms |
80036 KB |
Output is correct |
60 |
Correct |
542 ms |
80816 KB |
Output is correct |
61 |
Correct |
563 ms |
80124 KB |
Output is correct |
62 |
Correct |
533 ms |
80092 KB |
Output is correct |
63 |
Correct |
567 ms |
80508 KB |
Output is correct |
64 |
Correct |
636 ms |
80260 KB |
Output is correct |
65 |
Correct |
653 ms |
82552 KB |
Output is correct |
66 |
Correct |
681 ms |
80228 KB |
Output is correct |
67 |
Correct |
567 ms |
80052 KB |
Output is correct |
68 |
Correct |
603 ms |
80156 KB |
Output is correct |
69 |
Correct |
91 ms |
11520 KB |
Output is correct |
70 |
Correct |
91 ms |
11732 KB |
Output is correct |
71 |
Correct |
564 ms |
80364 KB |
Output is correct |
72 |
Correct |
538 ms |
80212 KB |
Output is correct |
73 |
Correct |
618 ms |
79992 KB |
Output is correct |
74 |
Correct |
90 ms |
11588 KB |
Output is correct |
75 |
Correct |
90 ms |
11600 KB |
Output is correct |
76 |
Correct |
87 ms |
11520 KB |
Output is correct |
77 |
Correct |
89 ms |
11648 KB |
Output is correct |
78 |
Correct |
486 ms |
77820 KB |
Output is correct |
79 |
Correct |
516 ms |
80196 KB |
Output is correct |
80 |
Correct |
507 ms |
78768 KB |
Output is correct |
81 |
Correct |
624 ms |
80376 KB |
Output is correct |
82 |
Correct |
479 ms |
79024 KB |
Output is correct |
83 |
Correct |
533 ms |
80188 KB |
Output is correct |
84 |
Correct |
89 ms |
11620 KB |
Output is correct |
85 |
Correct |
93 ms |
11744 KB |
Output is correct |
86 |
Correct |
92 ms |
11692 KB |
Output is correct |
87 |
Correct |
96 ms |
11784 KB |
Output is correct |
88 |
Correct |
103 ms |
12408 KB |
Output is correct |
89 |
Correct |
102 ms |
11980 KB |
Output is correct |
90 |
Correct |
102 ms |
12184 KB |
Output is correct |
91 |
Correct |
103 ms |
12276 KB |
Output is correct |
92 |
Correct |
104 ms |
12520 KB |
Output is correct |
93 |
Correct |
110 ms |
12380 KB |
Output is correct |
94 |
Correct |
106 ms |
12072 KB |
Output is correct |
95 |
Correct |
107 ms |
12052 KB |
Output is correct |
96 |
Correct |
108 ms |
12060 KB |
Output is correct |
97 |
Correct |
108 ms |
12504 KB |
Output is correct |
98 |
Correct |
108 ms |
12300 KB |
Output is correct |
99 |
Correct |
114 ms |
12168 KB |
Output is correct |
100 |
Correct |
104 ms |
12080 KB |
Output is correct |
101 |
Correct |
158 ms |
16976 KB |
Output is correct |
102 |
Correct |
166 ms |
17408 KB |
Output is correct |
103 |
Correct |
478 ms |
78856 KB |
Output is correct |
104 |
Correct |
539 ms |
78772 KB |
Output is correct |
105 |
Correct |
519 ms |
80700 KB |
Output is correct |
106 |
Correct |
476 ms |
78900 KB |
Output is correct |
107 |
Correct |
583 ms |
80316 KB |
Output is correct |
108 |
Correct |
593 ms |
80244 KB |
Output is correct |
109 |
Correct |
637 ms |
79900 KB |
Output is correct |
110 |
Correct |
605 ms |
81120 KB |
Output is correct |
111 |
Correct |
553 ms |
79936 KB |
Output is correct |
112 |
Correct |
501 ms |
80380 KB |
Output is correct |
113 |
Correct |
531 ms |
80020 KB |
Output is correct |
114 |
Correct |
495 ms |
79096 KB |
Output is correct |
115 |
Correct |
512 ms |
79180 KB |
Output is correct |