#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll BIT[200009];
ll cnt[200009];
vector<ll> A[200009],B[200009];
ll N;
void add(ll p,ll v)
{
while(p <= N)
{
BIT[p] += v;
p += (p & (-p));
}
}
ll sum(ll p)
{
ll ret = 0;
while(p > 0)
{
ret += BIT[p];
p -= (p & (-p));
}
return ret;
}
ll count_swaps(vector<int> S)
{
ll ans = 0,i;
N = S.size();
for(i = 1;i <= N;i++)
{
add(i,1);
if(S[i-1] > 0)
{
A[S[i-1]].push_back(i);
}
else
{
B[-S[i-1]].push_back(i);
}
}
for(i = 1;i <= N;i++)
{
ll nw = cnt[abs(S[i-1])];
if((S[i-1] < 0 && B[abs(S[i-1])][nw] != i) || (S[i-1] > 0 && A[abs(S[i-1])][nw] != i))
{
continue;
}
cnt[abs(S[i-1])]++;
ll pr;
if(S[i-1] < 0)
{
pr = A[abs(S[i-1])][nw];
}
else
{
pr = B[abs(S[i-1])][nw];
ans++;
}
ans += sum(pr)-2;
add(i,-1);
add(pr,-1);
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9728 KB |
Output is correct |
2 |
Correct |
9 ms |
9728 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9728 KB |
Output is correct |
2 |
Correct |
9 ms |
9728 KB |
Output is correct |
3 |
Correct |
10 ms |
9728 KB |
Output is correct |
4 |
Correct |
9 ms |
9728 KB |
Output is correct |
5 |
Correct |
9 ms |
9728 KB |
Output is correct |
6 |
Correct |
9 ms |
9728 KB |
Output is correct |
7 |
Correct |
9 ms |
9728 KB |
Output is correct |
8 |
Correct |
10 ms |
9728 KB |
Output is correct |
9 |
Correct |
9 ms |
9728 KB |
Output is correct |
10 |
Correct |
9 ms |
9728 KB |
Output is correct |
11 |
Correct |
9 ms |
9728 KB |
Output is correct |
12 |
Correct |
11 ms |
9640 KB |
Output is correct |
13 |
Correct |
9 ms |
9780 KB |
Output is correct |
14 |
Correct |
10 ms |
9728 KB |
Output is correct |
15 |
Correct |
10 ms |
9728 KB |
Output is correct |
16 |
Correct |
10 ms |
9728 KB |
Output is correct |
17 |
Correct |
10 ms |
9728 KB |
Output is correct |
18 |
Correct |
10 ms |
9728 KB |
Output is correct |
19 |
Correct |
9 ms |
9728 KB |
Output is correct |
20 |
Correct |
10 ms |
9728 KB |
Output is correct |
21 |
Correct |
10 ms |
9728 KB |
Output is correct |
22 |
Correct |
9 ms |
9728 KB |
Output is correct |
23 |
Correct |
10 ms |
9728 KB |
Output is correct |
24 |
Correct |
10 ms |
9728 KB |
Output is correct |
25 |
Correct |
9 ms |
9728 KB |
Output is correct |
26 |
Correct |
10 ms |
9728 KB |
Output is correct |
27 |
Correct |
10 ms |
9728 KB |
Output is correct |
28 |
Correct |
10 ms |
9728 KB |
Output is correct |
29 |
Correct |
11 ms |
9728 KB |
Output is correct |
30 |
Correct |
10 ms |
9728 KB |
Output is correct |
31 |
Correct |
10 ms |
9728 KB |
Output is correct |
32 |
Correct |
10 ms |
9728 KB |
Output is correct |
33 |
Correct |
9 ms |
9728 KB |
Output is correct |
34 |
Correct |
9 ms |
9728 KB |
Output is correct |
35 |
Correct |
9 ms |
9728 KB |
Output is correct |
36 |
Correct |
10 ms |
9856 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9728 KB |
Output is correct |
2 |
Correct |
9 ms |
9728 KB |
Output is correct |
3 |
Correct |
9 ms |
9728 KB |
Output is correct |
4 |
Correct |
9 ms |
9728 KB |
Output is correct |
5 |
Correct |
10 ms |
9728 KB |
Output is correct |
6 |
Correct |
10 ms |
9728 KB |
Output is correct |
7 |
Correct |
10 ms |
9728 KB |
Output is correct |
8 |
Correct |
9 ms |
9728 KB |
Output is correct |
9 |
Correct |
9 ms |
9728 KB |
Output is correct |
10 |
Correct |
10 ms |
9728 KB |
Output is correct |
11 |
Correct |
10 ms |
9728 KB |
Output is correct |
12 |
Correct |
10 ms |
9728 KB |
Output is correct |
13 |
Correct |
10 ms |
9728 KB |
Output is correct |
14 |
Correct |
10 ms |
9728 KB |
Output is correct |
15 |
Correct |
10 ms |
9728 KB |
Output is correct |
16 |
Correct |
10 ms |
9728 KB |
Output is correct |
17 |
Correct |
10 ms |
9728 KB |
Output is correct |
18 |
Correct |
10 ms |
9600 KB |
Output is correct |
19 |
Correct |
11 ms |
9728 KB |
Output is correct |
20 |
Correct |
14 ms |
10496 KB |
Output is correct |
21 |
Correct |
14 ms |
10496 KB |
Output is correct |
22 |
Correct |
55 ms |
15844 KB |
Output is correct |
23 |
Correct |
53 ms |
15972 KB |
Output is correct |
24 |
Correct |
55 ms |
15752 KB |
Output is correct |
25 |
Correct |
51 ms |
15980 KB |
Output is correct |
26 |
Correct |
55 ms |
15972 KB |
Output is correct |
27 |
Correct |
50 ms |
15716 KB |
Output is correct |
28 |
Correct |
54 ms |
16364 KB |
Output is correct |
29 |
Correct |
53 ms |
16236 KB |
Output is correct |
30 |
Correct |
52 ms |
16236 KB |
Output is correct |
31 |
Correct |
55 ms |
15776 KB |
Output is correct |
32 |
Correct |
53 ms |
16236 KB |
Output is correct |
33 |
Correct |
53 ms |
15980 KB |
Output is correct |
34 |
Correct |
55 ms |
16236 KB |
Output is correct |
35 |
Correct |
10 ms |
9728 KB |
Output is correct |
36 |
Correct |
9 ms |
9728 KB |
Output is correct |
37 |
Correct |
54 ms |
16236 KB |
Output is correct |
38 |
Correct |
52 ms |
16236 KB |
Output is correct |
39 |
Correct |
55 ms |
16324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
9728 KB |
Output is correct |
2 |
Correct |
11 ms |
9728 KB |
Output is correct |
3 |
Correct |
10 ms |
9728 KB |
Output is correct |
4 |
Correct |
10 ms |
9728 KB |
Output is correct |
5 |
Correct |
82 ms |
21112 KB |
Output is correct |
6 |
Correct |
78 ms |
17528 KB |
Output is correct |
7 |
Correct |
82 ms |
21116 KB |
Output is correct |
8 |
Correct |
55 ms |
16304 KB |
Output is correct |
9 |
Correct |
98 ms |
21112 KB |
Output is correct |
10 |
Correct |
88 ms |
18424 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9728 KB |
Output is correct |
2 |
Correct |
9 ms |
9728 KB |
Output is correct |
3 |
Correct |
10 ms |
9728 KB |
Output is correct |
4 |
Correct |
9 ms |
9728 KB |
Output is correct |
5 |
Correct |
9 ms |
9728 KB |
Output is correct |
6 |
Correct |
9 ms |
9728 KB |
Output is correct |
7 |
Correct |
9 ms |
9728 KB |
Output is correct |
8 |
Correct |
10 ms |
9728 KB |
Output is correct |
9 |
Correct |
9 ms |
9728 KB |
Output is correct |
10 |
Correct |
9 ms |
9728 KB |
Output is correct |
11 |
Correct |
9 ms |
9728 KB |
Output is correct |
12 |
Correct |
11 ms |
9640 KB |
Output is correct |
13 |
Correct |
9 ms |
9780 KB |
Output is correct |
14 |
Correct |
10 ms |
9728 KB |
Output is correct |
15 |
Correct |
10 ms |
9728 KB |
Output is correct |
16 |
Correct |
10 ms |
9728 KB |
Output is correct |
17 |
Correct |
10 ms |
9728 KB |
Output is correct |
18 |
Correct |
10 ms |
9728 KB |
Output is correct |
19 |
Correct |
9 ms |
9728 KB |
Output is correct |
20 |
Correct |
10 ms |
9728 KB |
Output is correct |
21 |
Correct |
10 ms |
9728 KB |
Output is correct |
22 |
Correct |
9 ms |
9728 KB |
Output is correct |
23 |
Correct |
10 ms |
9728 KB |
Output is correct |
24 |
Correct |
10 ms |
9728 KB |
Output is correct |
25 |
Correct |
9 ms |
9728 KB |
Output is correct |
26 |
Correct |
10 ms |
9728 KB |
Output is correct |
27 |
Correct |
10 ms |
9728 KB |
Output is correct |
28 |
Correct |
10 ms |
9728 KB |
Output is correct |
29 |
Correct |
11 ms |
9728 KB |
Output is correct |
30 |
Correct |
10 ms |
9728 KB |
Output is correct |
31 |
Correct |
10 ms |
9728 KB |
Output is correct |
32 |
Correct |
10 ms |
9728 KB |
Output is correct |
33 |
Correct |
9 ms |
9728 KB |
Output is correct |
34 |
Correct |
9 ms |
9728 KB |
Output is correct |
35 |
Correct |
9 ms |
9728 KB |
Output is correct |
36 |
Correct |
10 ms |
9856 KB |
Output is correct |
37 |
Correct |
9 ms |
9728 KB |
Output is correct |
38 |
Correct |
9 ms |
9728 KB |
Output is correct |
39 |
Correct |
9 ms |
9728 KB |
Output is correct |
40 |
Correct |
10 ms |
9728 KB |
Output is correct |
41 |
Correct |
10 ms |
9856 KB |
Output is correct |
42 |
Correct |
10 ms |
9856 KB |
Output is correct |
43 |
Correct |
10 ms |
9856 KB |
Output is correct |
44 |
Correct |
12 ms |
9856 KB |
Output is correct |
45 |
Correct |
10 ms |
9856 KB |
Output is correct |
46 |
Correct |
10 ms |
9856 KB |
Output is correct |
47 |
Correct |
10 ms |
9856 KB |
Output is correct |
48 |
Correct |
10 ms |
9856 KB |
Output is correct |
49 |
Correct |
10 ms |
9856 KB |
Output is correct |
50 |
Correct |
10 ms |
9856 KB |
Output is correct |
51 |
Correct |
10 ms |
9856 KB |
Output is correct |
52 |
Correct |
10 ms |
9856 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
9728 KB |
Output is correct |
2 |
Correct |
9 ms |
9728 KB |
Output is correct |
3 |
Correct |
10 ms |
9728 KB |
Output is correct |
4 |
Correct |
9 ms |
9728 KB |
Output is correct |
5 |
Correct |
9 ms |
9728 KB |
Output is correct |
6 |
Correct |
9 ms |
9728 KB |
Output is correct |
7 |
Correct |
9 ms |
9728 KB |
Output is correct |
8 |
Correct |
10 ms |
9728 KB |
Output is correct |
9 |
Correct |
9 ms |
9728 KB |
Output is correct |
10 |
Correct |
9 ms |
9728 KB |
Output is correct |
11 |
Correct |
9 ms |
9728 KB |
Output is correct |
12 |
Correct |
11 ms |
9640 KB |
Output is correct |
13 |
Correct |
9 ms |
9780 KB |
Output is correct |
14 |
Correct |
10 ms |
9728 KB |
Output is correct |
15 |
Correct |
10 ms |
9728 KB |
Output is correct |
16 |
Correct |
10 ms |
9728 KB |
Output is correct |
17 |
Correct |
10 ms |
9728 KB |
Output is correct |
18 |
Correct |
10 ms |
9728 KB |
Output is correct |
19 |
Correct |
9 ms |
9728 KB |
Output is correct |
20 |
Correct |
10 ms |
9728 KB |
Output is correct |
21 |
Correct |
10 ms |
9728 KB |
Output is correct |
22 |
Correct |
9 ms |
9728 KB |
Output is correct |
23 |
Correct |
10 ms |
9728 KB |
Output is correct |
24 |
Correct |
10 ms |
9728 KB |
Output is correct |
25 |
Correct |
9 ms |
9728 KB |
Output is correct |
26 |
Correct |
10 ms |
9728 KB |
Output is correct |
27 |
Correct |
10 ms |
9728 KB |
Output is correct |
28 |
Correct |
10 ms |
9728 KB |
Output is correct |
29 |
Correct |
11 ms |
9728 KB |
Output is correct |
30 |
Correct |
10 ms |
9728 KB |
Output is correct |
31 |
Correct |
10 ms |
9728 KB |
Output is correct |
32 |
Correct |
10 ms |
9728 KB |
Output is correct |
33 |
Correct |
9 ms |
9728 KB |
Output is correct |
34 |
Correct |
9 ms |
9728 KB |
Output is correct |
35 |
Correct |
9 ms |
9728 KB |
Output is correct |
36 |
Correct |
10 ms |
9856 KB |
Output is correct |
37 |
Correct |
9 ms |
9728 KB |
Output is correct |
38 |
Correct |
9 ms |
9728 KB |
Output is correct |
39 |
Correct |
10 ms |
9728 KB |
Output is correct |
40 |
Correct |
10 ms |
9728 KB |
Output is correct |
41 |
Correct |
10 ms |
9728 KB |
Output is correct |
42 |
Correct |
9 ms |
9728 KB |
Output is correct |
43 |
Correct |
9 ms |
9728 KB |
Output is correct |
44 |
Correct |
10 ms |
9728 KB |
Output is correct |
45 |
Correct |
10 ms |
9728 KB |
Output is correct |
46 |
Correct |
10 ms |
9728 KB |
Output is correct |
47 |
Correct |
10 ms |
9728 KB |
Output is correct |
48 |
Correct |
10 ms |
9728 KB |
Output is correct |
49 |
Correct |
10 ms |
9728 KB |
Output is correct |
50 |
Correct |
10 ms |
9728 KB |
Output is correct |
51 |
Correct |
10 ms |
9728 KB |
Output is correct |
52 |
Correct |
10 ms |
9600 KB |
Output is correct |
53 |
Correct |
11 ms |
9728 KB |
Output is correct |
54 |
Correct |
14 ms |
10496 KB |
Output is correct |
55 |
Correct |
14 ms |
10496 KB |
Output is correct |
56 |
Correct |
55 ms |
15844 KB |
Output is correct |
57 |
Correct |
53 ms |
15972 KB |
Output is correct |
58 |
Correct |
55 ms |
15752 KB |
Output is correct |
59 |
Correct |
51 ms |
15980 KB |
Output is correct |
60 |
Correct |
55 ms |
15972 KB |
Output is correct |
61 |
Correct |
50 ms |
15716 KB |
Output is correct |
62 |
Correct |
54 ms |
16364 KB |
Output is correct |
63 |
Correct |
53 ms |
16236 KB |
Output is correct |
64 |
Correct |
52 ms |
16236 KB |
Output is correct |
65 |
Correct |
55 ms |
15776 KB |
Output is correct |
66 |
Correct |
53 ms |
16236 KB |
Output is correct |
67 |
Correct |
53 ms |
15980 KB |
Output is correct |
68 |
Correct |
55 ms |
16236 KB |
Output is correct |
69 |
Correct |
10 ms |
9728 KB |
Output is correct |
70 |
Correct |
9 ms |
9728 KB |
Output is correct |
71 |
Correct |
54 ms |
16236 KB |
Output is correct |
72 |
Correct |
52 ms |
16236 KB |
Output is correct |
73 |
Correct |
55 ms |
16324 KB |
Output is correct |
74 |
Correct |
10 ms |
9728 KB |
Output is correct |
75 |
Correct |
11 ms |
9728 KB |
Output is correct |
76 |
Correct |
10 ms |
9728 KB |
Output is correct |
77 |
Correct |
10 ms |
9728 KB |
Output is correct |
78 |
Correct |
82 ms |
21112 KB |
Output is correct |
79 |
Correct |
78 ms |
17528 KB |
Output is correct |
80 |
Correct |
82 ms |
21116 KB |
Output is correct |
81 |
Correct |
55 ms |
16304 KB |
Output is correct |
82 |
Correct |
98 ms |
21112 KB |
Output is correct |
83 |
Correct |
88 ms |
18424 KB |
Output is correct |
84 |
Correct |
9 ms |
9728 KB |
Output is correct |
85 |
Correct |
9 ms |
9728 KB |
Output is correct |
86 |
Correct |
9 ms |
9728 KB |
Output is correct |
87 |
Correct |
10 ms |
9728 KB |
Output is correct |
88 |
Correct |
10 ms |
9856 KB |
Output is correct |
89 |
Correct |
10 ms |
9856 KB |
Output is correct |
90 |
Correct |
10 ms |
9856 KB |
Output is correct |
91 |
Correct |
12 ms |
9856 KB |
Output is correct |
92 |
Correct |
10 ms |
9856 KB |
Output is correct |
93 |
Correct |
10 ms |
9856 KB |
Output is correct |
94 |
Correct |
10 ms |
9856 KB |
Output is correct |
95 |
Correct |
10 ms |
9856 KB |
Output is correct |
96 |
Correct |
10 ms |
9856 KB |
Output is correct |
97 |
Correct |
10 ms |
9856 KB |
Output is correct |
98 |
Correct |
10 ms |
9856 KB |
Output is correct |
99 |
Correct |
10 ms |
9856 KB |
Output is correct |
100 |
Correct |
10 ms |
9856 KB |
Output is correct |
101 |
Correct |
16 ms |
10752 KB |
Output is correct |
102 |
Correct |
16 ms |
10496 KB |
Output is correct |
103 |
Correct |
115 ms |
21240 KB |
Output is correct |
104 |
Correct |
96 ms |
21112 KB |
Output is correct |
105 |
Correct |
112 ms |
18808 KB |
Output is correct |
106 |
Correct |
82 ms |
21112 KB |
Output is correct |
107 |
Correct |
80 ms |
17528 KB |
Output is correct |
108 |
Correct |
85 ms |
17784 KB |
Output is correct |
109 |
Correct |
54 ms |
16620 KB |
Output is correct |
110 |
Correct |
52 ms |
16236 KB |
Output is correct |
111 |
Correct |
88 ms |
20472 KB |
Output is correct |
112 |
Correct |
108 ms |
19704 KB |
Output is correct |
113 |
Correct |
77 ms |
17528 KB |
Output is correct |
114 |
Correct |
79 ms |
21168 KB |
Output is correct |
115 |
Correct |
82 ms |
21112 KB |
Output is correct |