#include<iostream>
#include<set>
#include<vector>
using namespace::std;
set<pair<int,int>> s;
int st[800005];
int query(int i,int l,int r,int s,int e){
if(s<=l && r<=e)
return st[i];
if(s>=r || e<=l)
return 0;
int mid=l+(r-l)/2;
return query(i*2,l,mid,s,e)+query(i*2+1,mid,r,s,e);
}
void point_upd(int i,int l,int r,int ind){
if(l+1==r && l==ind){
st[i]++;
return;
}
if(ind>=r || ind<l)
return ;
int mid=l+(r-l)/2;
st[i]++;
if(ind>=mid)
point_upd(i*2+1,mid,r,ind);
else point_upd(i*2,l,mid,ind);
}
long long int count_swaps(vector<int,allocator<int>> ar){
int n=ar.size()/2;
//cin>>n;
long long int ans=0;
for(int i=0;i<2*n;i++)
/*cin>>ar[i],*/s.insert({ar[i],i});
//build(1,0,2*n);
for(int i=0;i<2*n;i++)
if(s.find({ar[i],i})!=s.end()){
pair<int,int> t=*(s.lower_bound({-ar[i],0}));
ans+=t.second-i-(ar[i]<0)-query(1,0,2*n,i,t.second);
//cout<<t.second<<' '<<i<<' '<<ar[i]<<' '<<query(1,0,2*n,i,t.second)<<'\n';
point_upd(1,0,2*n,t.second);
s.erase({ar[i],i});
s.erase(t);
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
360 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
256 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
256 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
10 ms |
256 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
256 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
0 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
2 ms |
256 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
404 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
256 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
3 ms |
376 KB |
Output is correct |
20 |
Correct |
14 ms |
1784 KB |
Output is correct |
21 |
Correct |
14 ms |
1784 KB |
Output is correct |
22 |
Correct |
156 ms |
14596 KB |
Output is correct |
23 |
Correct |
199 ms |
14680 KB |
Output is correct |
24 |
Correct |
158 ms |
14584 KB |
Output is correct |
25 |
Correct |
165 ms |
13488 KB |
Output is correct |
26 |
Correct |
154 ms |
14652 KB |
Output is correct |
27 |
Correct |
183 ms |
14408 KB |
Output is correct |
28 |
Correct |
167 ms |
13560 KB |
Output is correct |
29 |
Correct |
164 ms |
13560 KB |
Output is correct |
30 |
Correct |
168 ms |
13560 KB |
Output is correct |
31 |
Correct |
162 ms |
14652 KB |
Output is correct |
32 |
Correct |
164 ms |
13560 KB |
Output is correct |
33 |
Correct |
164 ms |
13560 KB |
Output is correct |
34 |
Correct |
167 ms |
13596 KB |
Output is correct |
35 |
Correct |
2 ms |
256 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
167 ms |
13628 KB |
Output is correct |
38 |
Correct |
165 ms |
13688 KB |
Output is correct |
39 |
Correct |
166 ms |
13588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
364 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
292 ms |
13524 KB |
Output is correct |
6 |
Correct |
290 ms |
13692 KB |
Output is correct |
7 |
Correct |
284 ms |
13724 KB |
Output is correct |
8 |
Correct |
149 ms |
13560 KB |
Output is correct |
9 |
Correct |
278 ms |
13564 KB |
Output is correct |
10 |
Correct |
299 ms |
13688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
360 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
256 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
256 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
10 ms |
256 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
256 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
0 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
2 ms |
256 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
3 ms |
256 KB |
Output is correct |
39 |
Correct |
2 ms |
376 KB |
Output is correct |
40 |
Correct |
2 ms |
376 KB |
Output is correct |
41 |
Correct |
4 ms |
504 KB |
Output is correct |
42 |
Correct |
4 ms |
376 KB |
Output is correct |
43 |
Correct |
4 ms |
476 KB |
Output is correct |
44 |
Correct |
3 ms |
380 KB |
Output is correct |
45 |
Correct |
4 ms |
408 KB |
Output is correct |
46 |
Correct |
3 ms |
380 KB |
Output is correct |
47 |
Correct |
4 ms |
504 KB |
Output is correct |
48 |
Correct |
4 ms |
504 KB |
Output is correct |
49 |
Correct |
4 ms |
376 KB |
Output is correct |
50 |
Correct |
3 ms |
376 KB |
Output is correct |
51 |
Correct |
3 ms |
504 KB |
Output is correct |
52 |
Correct |
3 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
360 KB |
Output is correct |
7 |
Correct |
2 ms |
256 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
256 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
256 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
256 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
10 ms |
256 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
256 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
0 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
256 KB |
Output is correct |
35 |
Correct |
2 ms |
256 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
2 ms |
256 KB |
Output is correct |
40 |
Correct |
2 ms |
404 KB |
Output is correct |
41 |
Correct |
2 ms |
256 KB |
Output is correct |
42 |
Correct |
2 ms |
376 KB |
Output is correct |
43 |
Correct |
2 ms |
256 KB |
Output is correct |
44 |
Correct |
2 ms |
256 KB |
Output is correct |
45 |
Correct |
2 ms |
256 KB |
Output is correct |
46 |
Correct |
2 ms |
256 KB |
Output is correct |
47 |
Correct |
2 ms |
256 KB |
Output is correct |
48 |
Correct |
2 ms |
256 KB |
Output is correct |
49 |
Correct |
2 ms |
256 KB |
Output is correct |
50 |
Correct |
2 ms |
376 KB |
Output is correct |
51 |
Correct |
2 ms |
376 KB |
Output is correct |
52 |
Correct |
3 ms |
376 KB |
Output is correct |
53 |
Correct |
3 ms |
376 KB |
Output is correct |
54 |
Correct |
14 ms |
1784 KB |
Output is correct |
55 |
Correct |
14 ms |
1784 KB |
Output is correct |
56 |
Correct |
156 ms |
14596 KB |
Output is correct |
57 |
Correct |
199 ms |
14680 KB |
Output is correct |
58 |
Correct |
158 ms |
14584 KB |
Output is correct |
59 |
Correct |
165 ms |
13488 KB |
Output is correct |
60 |
Correct |
154 ms |
14652 KB |
Output is correct |
61 |
Correct |
183 ms |
14408 KB |
Output is correct |
62 |
Correct |
167 ms |
13560 KB |
Output is correct |
63 |
Correct |
164 ms |
13560 KB |
Output is correct |
64 |
Correct |
168 ms |
13560 KB |
Output is correct |
65 |
Correct |
162 ms |
14652 KB |
Output is correct |
66 |
Correct |
164 ms |
13560 KB |
Output is correct |
67 |
Correct |
164 ms |
13560 KB |
Output is correct |
68 |
Correct |
167 ms |
13596 KB |
Output is correct |
69 |
Correct |
2 ms |
256 KB |
Output is correct |
70 |
Correct |
2 ms |
376 KB |
Output is correct |
71 |
Correct |
167 ms |
13628 KB |
Output is correct |
72 |
Correct |
165 ms |
13688 KB |
Output is correct |
73 |
Correct |
166 ms |
13588 KB |
Output is correct |
74 |
Correct |
2 ms |
376 KB |
Output is correct |
75 |
Correct |
2 ms |
376 KB |
Output is correct |
76 |
Correct |
2 ms |
364 KB |
Output is correct |
77 |
Correct |
2 ms |
256 KB |
Output is correct |
78 |
Correct |
292 ms |
13524 KB |
Output is correct |
79 |
Correct |
290 ms |
13692 KB |
Output is correct |
80 |
Correct |
284 ms |
13724 KB |
Output is correct |
81 |
Correct |
149 ms |
13560 KB |
Output is correct |
82 |
Correct |
278 ms |
13564 KB |
Output is correct |
83 |
Correct |
299 ms |
13688 KB |
Output is correct |
84 |
Correct |
2 ms |
376 KB |
Output is correct |
85 |
Correct |
3 ms |
256 KB |
Output is correct |
86 |
Correct |
2 ms |
376 KB |
Output is correct |
87 |
Correct |
2 ms |
376 KB |
Output is correct |
88 |
Correct |
4 ms |
504 KB |
Output is correct |
89 |
Correct |
4 ms |
376 KB |
Output is correct |
90 |
Correct |
4 ms |
476 KB |
Output is correct |
91 |
Correct |
3 ms |
380 KB |
Output is correct |
92 |
Correct |
4 ms |
408 KB |
Output is correct |
93 |
Correct |
3 ms |
380 KB |
Output is correct |
94 |
Correct |
4 ms |
504 KB |
Output is correct |
95 |
Correct |
4 ms |
504 KB |
Output is correct |
96 |
Correct |
4 ms |
376 KB |
Output is correct |
97 |
Correct |
3 ms |
376 KB |
Output is correct |
98 |
Correct |
3 ms |
504 KB |
Output is correct |
99 |
Correct |
3 ms |
504 KB |
Output is correct |
100 |
Correct |
4 ms |
504 KB |
Output is correct |
101 |
Correct |
24 ms |
1912 KB |
Output is correct |
102 |
Correct |
25 ms |
1856 KB |
Output is correct |
103 |
Correct |
368 ms |
14680 KB |
Output is correct |
104 |
Correct |
293 ms |
14556 KB |
Output is correct |
105 |
Correct |
381 ms |
14648 KB |
Output is correct |
106 |
Correct |
275 ms |
13560 KB |
Output is correct |
107 |
Correct |
316 ms |
14584 KB |
Output is correct |
108 |
Correct |
324 ms |
14716 KB |
Output is correct |
109 |
Correct |
151 ms |
13572 KB |
Output is correct |
110 |
Correct |
165 ms |
13688 KB |
Output is correct |
111 |
Correct |
288 ms |
13652 KB |
Output is correct |
112 |
Correct |
365 ms |
14584 KB |
Output is correct |
113 |
Correct |
348 ms |
13760 KB |
Output is correct |
114 |
Correct |
279 ms |
13660 KB |
Output is correct |
115 |
Correct |
365 ms |
13692 KB |
Output is correct |