///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define ll long long
#define append push_back
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define N 200000
int seg[4*N];
void add(int x,int v=1,int s=0,int e=N){
seg[v]++;
if(e-s==1) return;
int mid=(s+e)/2;
if(x<mid) add(x,2*v,s,mid);
else add(x,2*v+1,mid,e);
}
int get(int l,int r,int v=1,int s=0,int e=N){
if(r<=s || e<=l || r<=l) return 0;
if(l<=s && e<=r) return seg[v];
int mid=(s+e)/2;
return get(l,r,2*v,s,mid)+get(l,r,2*v+1,mid,e);
}
queue<int> l[N];
queue<int> r[N];
ll count_swaps(vector<int> v){
ll o=0;
int n=v.size()/2;
for(int i=0;i<2*n;i++){
if(v[i]<0){
if(r[-v[i]].empty()){
add(i);
l[-v[i]].push(i);
}
else{
o+=get(r[-v[i]].front(),i);
add(r[-v[i]].front());
r[-v[i]].pop();
}
}
else{
if(l[v[i]].empty()){
add(i);
r[v[i]].push(i);
}
else{
o+=get(l[v[i]].front(),i)-1;
add(l[v[i]].front());
l[v[i]].pop();
}
}
}
return o;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
150 ms |
271396 KB |
Output is correct |
2 |
Correct |
124 ms |
271188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
150 ms |
271396 KB |
Output is correct |
2 |
Correct |
124 ms |
271188 KB |
Output is correct |
3 |
Correct |
125 ms |
271232 KB |
Output is correct |
4 |
Correct |
126 ms |
271340 KB |
Output is correct |
5 |
Correct |
123 ms |
271184 KB |
Output is correct |
6 |
Correct |
120 ms |
271200 KB |
Output is correct |
7 |
Correct |
120 ms |
271188 KB |
Output is correct |
8 |
Correct |
127 ms |
271184 KB |
Output is correct |
9 |
Correct |
125 ms |
271188 KB |
Output is correct |
10 |
Correct |
123 ms |
271348 KB |
Output is correct |
11 |
Correct |
123 ms |
271188 KB |
Output is correct |
12 |
Correct |
128 ms |
271140 KB |
Output is correct |
13 |
Correct |
119 ms |
271292 KB |
Output is correct |
14 |
Correct |
121 ms |
271188 KB |
Output is correct |
15 |
Correct |
119 ms |
271184 KB |
Output is correct |
16 |
Correct |
123 ms |
271444 KB |
Output is correct |
17 |
Correct |
118 ms |
271188 KB |
Output is correct |
18 |
Correct |
121 ms |
271184 KB |
Output is correct |
19 |
Correct |
121 ms |
271144 KB |
Output is correct |
20 |
Correct |
122 ms |
271180 KB |
Output is correct |
21 |
Correct |
121 ms |
271388 KB |
Output is correct |
22 |
Correct |
120 ms |
271136 KB |
Output is correct |
23 |
Correct |
120 ms |
271192 KB |
Output is correct |
24 |
Correct |
120 ms |
271304 KB |
Output is correct |
25 |
Correct |
122 ms |
271188 KB |
Output is correct |
26 |
Correct |
120 ms |
271184 KB |
Output is correct |
27 |
Correct |
131 ms |
271320 KB |
Output is correct |
28 |
Correct |
122 ms |
271188 KB |
Output is correct |
29 |
Correct |
122 ms |
271172 KB |
Output is correct |
30 |
Correct |
122 ms |
271184 KB |
Output is correct |
31 |
Correct |
123 ms |
271304 KB |
Output is correct |
32 |
Correct |
125 ms |
271356 KB |
Output is correct |
33 |
Correct |
124 ms |
271188 KB |
Output is correct |
34 |
Correct |
123 ms |
271224 KB |
Output is correct |
35 |
Correct |
119 ms |
271148 KB |
Output is correct |
36 |
Correct |
122 ms |
271184 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
150 ms |
271396 KB |
Output is correct |
2 |
Correct |
124 ms |
271188 KB |
Output is correct |
3 |
Correct |
122 ms |
271188 KB |
Output is correct |
4 |
Correct |
121 ms |
271292 KB |
Output is correct |
5 |
Correct |
121 ms |
271188 KB |
Output is correct |
6 |
Correct |
120 ms |
271188 KB |
Output is correct |
7 |
Correct |
123 ms |
271292 KB |
Output is correct |
8 |
Correct |
124 ms |
271188 KB |
Output is correct |
9 |
Correct |
135 ms |
271168 KB |
Output is correct |
10 |
Correct |
120 ms |
271184 KB |
Output is correct |
11 |
Correct |
119 ms |
271188 KB |
Output is correct |
12 |
Correct |
119 ms |
271188 KB |
Output is correct |
13 |
Correct |
125 ms |
271408 KB |
Output is correct |
14 |
Correct |
130 ms |
271188 KB |
Output is correct |
15 |
Correct |
120 ms |
271188 KB |
Output is correct |
16 |
Correct |
123 ms |
271184 KB |
Output is correct |
17 |
Correct |
121 ms |
271232 KB |
Output is correct |
18 |
Correct |
120 ms |
271176 KB |
Output is correct |
19 |
Correct |
120 ms |
271268 KB |
Output is correct |
20 |
Correct |
126 ms |
271444 KB |
Output is correct |
21 |
Correct |
126 ms |
271376 KB |
Output is correct |
22 |
Correct |
163 ms |
273232 KB |
Output is correct |
23 |
Correct |
158 ms |
274516 KB |
Output is correct |
24 |
Correct |
173 ms |
274496 KB |
Output is correct |
25 |
Correct |
171 ms |
274260 KB |
Output is correct |
26 |
Correct |
163 ms |
274516 KB |
Output is correct |
27 |
Correct |
156 ms |
274276 KB |
Output is correct |
28 |
Correct |
171 ms |
274652 KB |
Output is correct |
29 |
Correct |
171 ms |
274512 KB |
Output is correct |
30 |
Correct |
171 ms |
274512 KB |
Output is correct |
31 |
Correct |
166 ms |
274616 KB |
Output is correct |
32 |
Correct |
179 ms |
274436 KB |
Output is correct |
33 |
Correct |
174 ms |
274428 KB |
Output is correct |
34 |
Correct |
172 ms |
274704 KB |
Output is correct |
35 |
Correct |
123 ms |
271372 KB |
Output is correct |
36 |
Correct |
125 ms |
271188 KB |
Output is correct |
37 |
Correct |
174 ms |
274516 KB |
Output is correct |
38 |
Correct |
175 ms |
274512 KB |
Output is correct |
39 |
Correct |
179 ms |
274512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
124 ms |
271636 KB |
Output is correct |
2 |
Correct |
123 ms |
271256 KB |
Output is correct |
3 |
Correct |
119 ms |
271248 KB |
Output is correct |
4 |
Correct |
119 ms |
271188 KB |
Output is correct |
5 |
Correct |
199 ms |
272720 KB |
Output is correct |
6 |
Correct |
175 ms |
272944 KB |
Output is correct |
7 |
Correct |
196 ms |
272804 KB |
Output is correct |
8 |
Correct |
175 ms |
273236 KB |
Output is correct |
9 |
Correct |
202 ms |
272728 KB |
Output is correct |
10 |
Correct |
185 ms |
273220 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
150 ms |
271396 KB |
Output is correct |
2 |
Correct |
124 ms |
271188 KB |
Output is correct |
3 |
Correct |
125 ms |
271232 KB |
Output is correct |
4 |
Correct |
126 ms |
271340 KB |
Output is correct |
5 |
Correct |
123 ms |
271184 KB |
Output is correct |
6 |
Correct |
120 ms |
271200 KB |
Output is correct |
7 |
Correct |
120 ms |
271188 KB |
Output is correct |
8 |
Correct |
127 ms |
271184 KB |
Output is correct |
9 |
Correct |
125 ms |
271188 KB |
Output is correct |
10 |
Correct |
123 ms |
271348 KB |
Output is correct |
11 |
Correct |
123 ms |
271188 KB |
Output is correct |
12 |
Correct |
128 ms |
271140 KB |
Output is correct |
13 |
Correct |
119 ms |
271292 KB |
Output is correct |
14 |
Correct |
121 ms |
271188 KB |
Output is correct |
15 |
Correct |
119 ms |
271184 KB |
Output is correct |
16 |
Correct |
123 ms |
271444 KB |
Output is correct |
17 |
Correct |
118 ms |
271188 KB |
Output is correct |
18 |
Correct |
121 ms |
271184 KB |
Output is correct |
19 |
Correct |
121 ms |
271144 KB |
Output is correct |
20 |
Correct |
122 ms |
271180 KB |
Output is correct |
21 |
Correct |
121 ms |
271388 KB |
Output is correct |
22 |
Correct |
120 ms |
271136 KB |
Output is correct |
23 |
Correct |
120 ms |
271192 KB |
Output is correct |
24 |
Correct |
120 ms |
271304 KB |
Output is correct |
25 |
Correct |
122 ms |
271188 KB |
Output is correct |
26 |
Correct |
120 ms |
271184 KB |
Output is correct |
27 |
Correct |
131 ms |
271320 KB |
Output is correct |
28 |
Correct |
122 ms |
271188 KB |
Output is correct |
29 |
Correct |
122 ms |
271172 KB |
Output is correct |
30 |
Correct |
122 ms |
271184 KB |
Output is correct |
31 |
Correct |
123 ms |
271304 KB |
Output is correct |
32 |
Correct |
125 ms |
271356 KB |
Output is correct |
33 |
Correct |
124 ms |
271188 KB |
Output is correct |
34 |
Correct |
123 ms |
271224 KB |
Output is correct |
35 |
Correct |
119 ms |
271148 KB |
Output is correct |
36 |
Correct |
122 ms |
271184 KB |
Output is correct |
37 |
Correct |
121 ms |
271188 KB |
Output is correct |
38 |
Correct |
123 ms |
271552 KB |
Output is correct |
39 |
Correct |
123 ms |
271180 KB |
Output is correct |
40 |
Correct |
120 ms |
271188 KB |
Output is correct |
41 |
Correct |
120 ms |
271300 KB |
Output is correct |
42 |
Correct |
127 ms |
271300 KB |
Output is correct |
43 |
Correct |
121 ms |
271188 KB |
Output is correct |
44 |
Correct |
123 ms |
271372 KB |
Output is correct |
45 |
Correct |
125 ms |
271188 KB |
Output is correct |
46 |
Correct |
130 ms |
271520 KB |
Output is correct |
47 |
Correct |
122 ms |
271284 KB |
Output is correct |
48 |
Correct |
120 ms |
271184 KB |
Output is correct |
49 |
Correct |
123 ms |
271368 KB |
Output is correct |
50 |
Correct |
123 ms |
271152 KB |
Output is correct |
51 |
Correct |
120 ms |
271252 KB |
Output is correct |
52 |
Correct |
121 ms |
271188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
150 ms |
271396 KB |
Output is correct |
2 |
Correct |
124 ms |
271188 KB |
Output is correct |
3 |
Correct |
125 ms |
271232 KB |
Output is correct |
4 |
Correct |
126 ms |
271340 KB |
Output is correct |
5 |
Correct |
123 ms |
271184 KB |
Output is correct |
6 |
Correct |
120 ms |
271200 KB |
Output is correct |
7 |
Correct |
120 ms |
271188 KB |
Output is correct |
8 |
Correct |
127 ms |
271184 KB |
Output is correct |
9 |
Correct |
125 ms |
271188 KB |
Output is correct |
10 |
Correct |
123 ms |
271348 KB |
Output is correct |
11 |
Correct |
123 ms |
271188 KB |
Output is correct |
12 |
Correct |
128 ms |
271140 KB |
Output is correct |
13 |
Correct |
119 ms |
271292 KB |
Output is correct |
14 |
Correct |
121 ms |
271188 KB |
Output is correct |
15 |
Correct |
119 ms |
271184 KB |
Output is correct |
16 |
Correct |
123 ms |
271444 KB |
Output is correct |
17 |
Correct |
118 ms |
271188 KB |
Output is correct |
18 |
Correct |
121 ms |
271184 KB |
Output is correct |
19 |
Correct |
121 ms |
271144 KB |
Output is correct |
20 |
Correct |
122 ms |
271180 KB |
Output is correct |
21 |
Correct |
121 ms |
271388 KB |
Output is correct |
22 |
Correct |
120 ms |
271136 KB |
Output is correct |
23 |
Correct |
120 ms |
271192 KB |
Output is correct |
24 |
Correct |
120 ms |
271304 KB |
Output is correct |
25 |
Correct |
122 ms |
271188 KB |
Output is correct |
26 |
Correct |
120 ms |
271184 KB |
Output is correct |
27 |
Correct |
131 ms |
271320 KB |
Output is correct |
28 |
Correct |
122 ms |
271188 KB |
Output is correct |
29 |
Correct |
122 ms |
271172 KB |
Output is correct |
30 |
Correct |
122 ms |
271184 KB |
Output is correct |
31 |
Correct |
123 ms |
271304 KB |
Output is correct |
32 |
Correct |
125 ms |
271356 KB |
Output is correct |
33 |
Correct |
124 ms |
271188 KB |
Output is correct |
34 |
Correct |
123 ms |
271224 KB |
Output is correct |
35 |
Correct |
119 ms |
271148 KB |
Output is correct |
36 |
Correct |
122 ms |
271184 KB |
Output is correct |
37 |
Correct |
122 ms |
271188 KB |
Output is correct |
38 |
Correct |
121 ms |
271292 KB |
Output is correct |
39 |
Correct |
121 ms |
271188 KB |
Output is correct |
40 |
Correct |
120 ms |
271188 KB |
Output is correct |
41 |
Correct |
123 ms |
271292 KB |
Output is correct |
42 |
Correct |
124 ms |
271188 KB |
Output is correct |
43 |
Correct |
135 ms |
271168 KB |
Output is correct |
44 |
Correct |
120 ms |
271184 KB |
Output is correct |
45 |
Correct |
119 ms |
271188 KB |
Output is correct |
46 |
Correct |
119 ms |
271188 KB |
Output is correct |
47 |
Correct |
125 ms |
271408 KB |
Output is correct |
48 |
Correct |
130 ms |
271188 KB |
Output is correct |
49 |
Correct |
120 ms |
271188 KB |
Output is correct |
50 |
Correct |
123 ms |
271184 KB |
Output is correct |
51 |
Correct |
121 ms |
271232 KB |
Output is correct |
52 |
Correct |
120 ms |
271176 KB |
Output is correct |
53 |
Correct |
120 ms |
271268 KB |
Output is correct |
54 |
Correct |
126 ms |
271444 KB |
Output is correct |
55 |
Correct |
126 ms |
271376 KB |
Output is correct |
56 |
Correct |
163 ms |
273232 KB |
Output is correct |
57 |
Correct |
158 ms |
274516 KB |
Output is correct |
58 |
Correct |
173 ms |
274496 KB |
Output is correct |
59 |
Correct |
171 ms |
274260 KB |
Output is correct |
60 |
Correct |
163 ms |
274516 KB |
Output is correct |
61 |
Correct |
156 ms |
274276 KB |
Output is correct |
62 |
Correct |
171 ms |
274652 KB |
Output is correct |
63 |
Correct |
171 ms |
274512 KB |
Output is correct |
64 |
Correct |
171 ms |
274512 KB |
Output is correct |
65 |
Correct |
166 ms |
274616 KB |
Output is correct |
66 |
Correct |
179 ms |
274436 KB |
Output is correct |
67 |
Correct |
174 ms |
274428 KB |
Output is correct |
68 |
Correct |
172 ms |
274704 KB |
Output is correct |
69 |
Correct |
123 ms |
271372 KB |
Output is correct |
70 |
Correct |
125 ms |
271188 KB |
Output is correct |
71 |
Correct |
174 ms |
274516 KB |
Output is correct |
72 |
Correct |
175 ms |
274512 KB |
Output is correct |
73 |
Correct |
179 ms |
274512 KB |
Output is correct |
74 |
Correct |
124 ms |
271636 KB |
Output is correct |
75 |
Correct |
123 ms |
271256 KB |
Output is correct |
76 |
Correct |
119 ms |
271248 KB |
Output is correct |
77 |
Correct |
119 ms |
271188 KB |
Output is correct |
78 |
Correct |
199 ms |
272720 KB |
Output is correct |
79 |
Correct |
175 ms |
272944 KB |
Output is correct |
80 |
Correct |
196 ms |
272804 KB |
Output is correct |
81 |
Correct |
175 ms |
273236 KB |
Output is correct |
82 |
Correct |
202 ms |
272728 KB |
Output is correct |
83 |
Correct |
185 ms |
273220 KB |
Output is correct |
84 |
Correct |
121 ms |
271188 KB |
Output is correct |
85 |
Correct |
123 ms |
271552 KB |
Output is correct |
86 |
Correct |
123 ms |
271180 KB |
Output is correct |
87 |
Correct |
120 ms |
271188 KB |
Output is correct |
88 |
Correct |
120 ms |
271300 KB |
Output is correct |
89 |
Correct |
127 ms |
271300 KB |
Output is correct |
90 |
Correct |
121 ms |
271188 KB |
Output is correct |
91 |
Correct |
123 ms |
271372 KB |
Output is correct |
92 |
Correct |
125 ms |
271188 KB |
Output is correct |
93 |
Correct |
130 ms |
271520 KB |
Output is correct |
94 |
Correct |
122 ms |
271284 KB |
Output is correct |
95 |
Correct |
120 ms |
271184 KB |
Output is correct |
96 |
Correct |
123 ms |
271368 KB |
Output is correct |
97 |
Correct |
123 ms |
271152 KB |
Output is correct |
98 |
Correct |
120 ms |
271252 KB |
Output is correct |
99 |
Correct |
121 ms |
271188 KB |
Output is correct |
100 |
Correct |
123 ms |
271436 KB |
Output is correct |
101 |
Correct |
128 ms |
271440 KB |
Output is correct |
102 |
Correct |
126 ms |
271512 KB |
Output is correct |
103 |
Correct |
216 ms |
274488 KB |
Output is correct |
104 |
Correct |
184 ms |
274476 KB |
Output is correct |
105 |
Correct |
189 ms |
274516 KB |
Output is correct |
106 |
Correct |
197 ms |
274024 KB |
Output is correct |
107 |
Correct |
170 ms |
274516 KB |
Output is correct |
108 |
Correct |
169 ms |
274456 KB |
Output is correct |
109 |
Correct |
171 ms |
274452 KB |
Output is correct |
110 |
Correct |
173 ms |
274672 KB |
Output is correct |
111 |
Correct |
193 ms |
273952 KB |
Output is correct |
112 |
Correct |
204 ms |
274512 KB |
Output is correct |
113 |
Correct |
186 ms |
274356 KB |
Output is correct |
114 |
Correct |
191 ms |
274216 KB |
Output is correct |
115 |
Correct |
194 ms |
274256 KB |
Output is correct |