#include<bits/stdc++.h>
#define MAX 500000
using namespace std;
long long n,to[200050],pairs=0,br=0;
queue <long long> found[200050];
long long from[200050],perm[200050];
int tree[MAX+1];
int query(int idx)
{
int sum=0;
++idx;
for(; idx < MAX;idx+=(idx & -idx))sum+=tree[idx];
return sum;
}
void update(int idx, int delta)
{
++idx;
for(; idx >0;idx-=(idx & -idx))tree[idx]+=delta;
}
long long count_swaps(vector <int> shoes)
{
long long i,j;
n=shoes.size()/2;
for(i=0;i<2*n;i++)perm[i]=i;
for(i=0;i<2*n;i++)
{
if(shoes[i]<0)
{
if(found[shoes[i]+n].empty()==false)
{
to[i]=found[shoes[i]+n].front();
found[shoes[i]+n].pop();
}
else
{
to[i]=pairs;
found[n-shoes[i]].push(pairs+1);
pairs+=2;
}
}
else
{
if(found[shoes[i]+n].empty()==false)
{
to[i]=found[shoes[i]+n].front();
found[shoes[i]+n].pop();
}
else
{
to[i]=pairs+1;
found[n-shoes[i]].push(pairs);
pairs+=2;
}
}
}
for(i=0;i<2*n;i++)from[to[i]]=i;
//for(i=0;i<2*n;i++)cout<<to[i]<<' ';cout<<endl;
//for(i=0;i<2*n;i++)cout<<from[i]<<' ';cout<<endl;
for(i=0;i<2*n;i++)
{
int curr=query(from[i])+from[i];
br+=(long long)abs(curr-i);
update(from[i],1);
}
return br;
}
Compilation message
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:27:17: warning: unused variable 'j' [-Wunused-variable]
long long i,j;
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
135 ms |
135032 KB |
Output is correct |
2 |
Correct |
139 ms |
135004 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
135 ms |
135032 KB |
Output is correct |
2 |
Correct |
139 ms |
135004 KB |
Output is correct |
3 |
Correct |
146 ms |
135032 KB |
Output is correct |
4 |
Correct |
150 ms |
135160 KB |
Output is correct |
5 |
Correct |
135 ms |
135016 KB |
Output is correct |
6 |
Correct |
135 ms |
135140 KB |
Output is correct |
7 |
Correct |
135 ms |
135032 KB |
Output is correct |
8 |
Correct |
135 ms |
135080 KB |
Output is correct |
9 |
Correct |
134 ms |
135020 KB |
Output is correct |
10 |
Correct |
134 ms |
135032 KB |
Output is correct |
11 |
Correct |
149 ms |
135012 KB |
Output is correct |
12 |
Correct |
137 ms |
135032 KB |
Output is correct |
13 |
Correct |
135 ms |
135088 KB |
Output is correct |
14 |
Correct |
135 ms |
135032 KB |
Output is correct |
15 |
Correct |
134 ms |
135032 KB |
Output is correct |
16 |
Correct |
135 ms |
135012 KB |
Output is correct |
17 |
Correct |
135 ms |
135032 KB |
Output is correct |
18 |
Correct |
136 ms |
134956 KB |
Output is correct |
19 |
Correct |
136 ms |
135032 KB |
Output is correct |
20 |
Correct |
136 ms |
135036 KB |
Output is correct |
21 |
Correct |
136 ms |
135032 KB |
Output is correct |
22 |
Correct |
134 ms |
135032 KB |
Output is correct |
23 |
Correct |
135 ms |
134956 KB |
Output is correct |
24 |
Correct |
135 ms |
135020 KB |
Output is correct |
25 |
Correct |
134 ms |
134976 KB |
Output is correct |
26 |
Correct |
134 ms |
135004 KB |
Output is correct |
27 |
Correct |
135 ms |
135032 KB |
Output is correct |
28 |
Correct |
140 ms |
134968 KB |
Output is correct |
29 |
Correct |
134 ms |
135032 KB |
Output is correct |
30 |
Correct |
136 ms |
135072 KB |
Output is correct |
31 |
Correct |
135 ms |
135032 KB |
Output is correct |
32 |
Correct |
136 ms |
135032 KB |
Output is correct |
33 |
Correct |
160 ms |
134952 KB |
Output is correct |
34 |
Correct |
170 ms |
134940 KB |
Output is correct |
35 |
Correct |
137 ms |
134928 KB |
Output is correct |
36 |
Correct |
134 ms |
134940 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
135 ms |
135032 KB |
Output is correct |
2 |
Correct |
139 ms |
135004 KB |
Output is correct |
3 |
Correct |
135 ms |
135032 KB |
Output is correct |
4 |
Correct |
134 ms |
135004 KB |
Output is correct |
5 |
Correct |
136 ms |
135032 KB |
Output is correct |
6 |
Correct |
135 ms |
135060 KB |
Output is correct |
7 |
Correct |
135 ms |
135032 KB |
Output is correct |
8 |
Correct |
135 ms |
135064 KB |
Output is correct |
9 |
Correct |
136 ms |
135032 KB |
Output is correct |
10 |
Correct |
136 ms |
135032 KB |
Output is correct |
11 |
Correct |
135 ms |
134996 KB |
Output is correct |
12 |
Correct |
134 ms |
135032 KB |
Output is correct |
13 |
Correct |
137 ms |
135008 KB |
Output is correct |
14 |
Correct |
138 ms |
135004 KB |
Output is correct |
15 |
Correct |
137 ms |
135032 KB |
Output is correct |
16 |
Correct |
148 ms |
134980 KB |
Output is correct |
17 |
Correct |
148 ms |
135032 KB |
Output is correct |
18 |
Correct |
162 ms |
135012 KB |
Output is correct |
19 |
Correct |
184 ms |
135160 KB |
Output is correct |
20 |
Correct |
149 ms |
135672 KB |
Output is correct |
21 |
Correct |
152 ms |
135648 KB |
Output is correct |
22 |
Correct |
272 ms |
142028 KB |
Output is correct |
23 |
Correct |
170 ms |
142072 KB |
Output is correct |
24 |
Correct |
179 ms |
142060 KB |
Output is correct |
25 |
Correct |
179 ms |
142888 KB |
Output is correct |
26 |
Correct |
185 ms |
143404 KB |
Output is correct |
27 |
Correct |
170 ms |
143096 KB |
Output is correct |
28 |
Correct |
181 ms |
144120 KB |
Output is correct |
29 |
Correct |
184 ms |
144180 KB |
Output is correct |
30 |
Correct |
187 ms |
144180 KB |
Output is correct |
31 |
Correct |
197 ms |
143352 KB |
Output is correct |
32 |
Correct |
176 ms |
144192 KB |
Output is correct |
33 |
Correct |
178 ms |
144048 KB |
Output is correct |
34 |
Correct |
180 ms |
144120 KB |
Output is correct |
35 |
Correct |
135 ms |
134956 KB |
Output is correct |
36 |
Correct |
136 ms |
135032 KB |
Output is correct |
37 |
Correct |
176 ms |
144192 KB |
Output is correct |
38 |
Correct |
177 ms |
144120 KB |
Output is correct |
39 |
Correct |
177 ms |
144200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
143 ms |
134960 KB |
Output is correct |
2 |
Correct |
151 ms |
134968 KB |
Output is correct |
3 |
Correct |
135 ms |
134992 KB |
Output is correct |
4 |
Correct |
135 ms |
135032 KB |
Output is correct |
5 |
Correct |
199 ms |
142072 KB |
Output is correct |
6 |
Correct |
195 ms |
143324 KB |
Output is correct |
7 |
Correct |
200 ms |
143324 KB |
Output is correct |
8 |
Correct |
180 ms |
144180 KB |
Output is correct |
9 |
Correct |
198 ms |
143252 KB |
Output is correct |
10 |
Correct |
193 ms |
143288 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
135 ms |
135032 KB |
Output is correct |
2 |
Correct |
139 ms |
135004 KB |
Output is correct |
3 |
Correct |
146 ms |
135032 KB |
Output is correct |
4 |
Correct |
150 ms |
135160 KB |
Output is correct |
5 |
Correct |
135 ms |
135016 KB |
Output is correct |
6 |
Correct |
135 ms |
135140 KB |
Output is correct |
7 |
Correct |
135 ms |
135032 KB |
Output is correct |
8 |
Correct |
135 ms |
135080 KB |
Output is correct |
9 |
Correct |
134 ms |
135020 KB |
Output is correct |
10 |
Correct |
134 ms |
135032 KB |
Output is correct |
11 |
Correct |
149 ms |
135012 KB |
Output is correct |
12 |
Correct |
137 ms |
135032 KB |
Output is correct |
13 |
Correct |
135 ms |
135088 KB |
Output is correct |
14 |
Correct |
135 ms |
135032 KB |
Output is correct |
15 |
Correct |
134 ms |
135032 KB |
Output is correct |
16 |
Correct |
135 ms |
135012 KB |
Output is correct |
17 |
Correct |
135 ms |
135032 KB |
Output is correct |
18 |
Correct |
136 ms |
134956 KB |
Output is correct |
19 |
Correct |
136 ms |
135032 KB |
Output is correct |
20 |
Correct |
136 ms |
135036 KB |
Output is correct |
21 |
Correct |
136 ms |
135032 KB |
Output is correct |
22 |
Correct |
134 ms |
135032 KB |
Output is correct |
23 |
Correct |
135 ms |
134956 KB |
Output is correct |
24 |
Correct |
135 ms |
135020 KB |
Output is correct |
25 |
Correct |
134 ms |
134976 KB |
Output is correct |
26 |
Correct |
134 ms |
135004 KB |
Output is correct |
27 |
Correct |
135 ms |
135032 KB |
Output is correct |
28 |
Correct |
140 ms |
134968 KB |
Output is correct |
29 |
Correct |
134 ms |
135032 KB |
Output is correct |
30 |
Correct |
136 ms |
135072 KB |
Output is correct |
31 |
Correct |
135 ms |
135032 KB |
Output is correct |
32 |
Correct |
136 ms |
135032 KB |
Output is correct |
33 |
Correct |
160 ms |
134952 KB |
Output is correct |
34 |
Correct |
170 ms |
134940 KB |
Output is correct |
35 |
Correct |
137 ms |
134928 KB |
Output is correct |
36 |
Correct |
134 ms |
134940 KB |
Output is correct |
37 |
Correct |
137 ms |
134980 KB |
Output is correct |
38 |
Correct |
135 ms |
135068 KB |
Output is correct |
39 |
Correct |
136 ms |
135160 KB |
Output is correct |
40 |
Correct |
136 ms |
135084 KB |
Output is correct |
41 |
Correct |
136 ms |
135136 KB |
Output is correct |
42 |
Correct |
135 ms |
135032 KB |
Output is correct |
43 |
Correct |
135 ms |
135152 KB |
Output is correct |
44 |
Correct |
135 ms |
135032 KB |
Output is correct |
45 |
Correct |
134 ms |
135016 KB |
Output is correct |
46 |
Correct |
133 ms |
135160 KB |
Output is correct |
47 |
Correct |
136 ms |
135032 KB |
Output is correct |
48 |
Correct |
135 ms |
135032 KB |
Output is correct |
49 |
Correct |
136 ms |
135152 KB |
Output is correct |
50 |
Correct |
147 ms |
135132 KB |
Output is correct |
51 |
Correct |
145 ms |
135160 KB |
Output is correct |
52 |
Correct |
135 ms |
135024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
135 ms |
135032 KB |
Output is correct |
2 |
Correct |
139 ms |
135004 KB |
Output is correct |
3 |
Correct |
146 ms |
135032 KB |
Output is correct |
4 |
Correct |
150 ms |
135160 KB |
Output is correct |
5 |
Correct |
135 ms |
135016 KB |
Output is correct |
6 |
Correct |
135 ms |
135140 KB |
Output is correct |
7 |
Correct |
135 ms |
135032 KB |
Output is correct |
8 |
Correct |
135 ms |
135080 KB |
Output is correct |
9 |
Correct |
134 ms |
135020 KB |
Output is correct |
10 |
Correct |
134 ms |
135032 KB |
Output is correct |
11 |
Correct |
149 ms |
135012 KB |
Output is correct |
12 |
Correct |
137 ms |
135032 KB |
Output is correct |
13 |
Correct |
135 ms |
135088 KB |
Output is correct |
14 |
Correct |
135 ms |
135032 KB |
Output is correct |
15 |
Correct |
134 ms |
135032 KB |
Output is correct |
16 |
Correct |
135 ms |
135012 KB |
Output is correct |
17 |
Correct |
135 ms |
135032 KB |
Output is correct |
18 |
Correct |
136 ms |
134956 KB |
Output is correct |
19 |
Correct |
136 ms |
135032 KB |
Output is correct |
20 |
Correct |
136 ms |
135036 KB |
Output is correct |
21 |
Correct |
136 ms |
135032 KB |
Output is correct |
22 |
Correct |
134 ms |
135032 KB |
Output is correct |
23 |
Correct |
135 ms |
134956 KB |
Output is correct |
24 |
Correct |
135 ms |
135020 KB |
Output is correct |
25 |
Correct |
134 ms |
134976 KB |
Output is correct |
26 |
Correct |
134 ms |
135004 KB |
Output is correct |
27 |
Correct |
135 ms |
135032 KB |
Output is correct |
28 |
Correct |
140 ms |
134968 KB |
Output is correct |
29 |
Correct |
134 ms |
135032 KB |
Output is correct |
30 |
Correct |
136 ms |
135072 KB |
Output is correct |
31 |
Correct |
135 ms |
135032 KB |
Output is correct |
32 |
Correct |
136 ms |
135032 KB |
Output is correct |
33 |
Correct |
160 ms |
134952 KB |
Output is correct |
34 |
Correct |
170 ms |
134940 KB |
Output is correct |
35 |
Correct |
137 ms |
134928 KB |
Output is correct |
36 |
Correct |
134 ms |
134940 KB |
Output is correct |
37 |
Correct |
135 ms |
135032 KB |
Output is correct |
38 |
Correct |
134 ms |
135004 KB |
Output is correct |
39 |
Correct |
136 ms |
135032 KB |
Output is correct |
40 |
Correct |
135 ms |
135060 KB |
Output is correct |
41 |
Correct |
135 ms |
135032 KB |
Output is correct |
42 |
Correct |
135 ms |
135064 KB |
Output is correct |
43 |
Correct |
136 ms |
135032 KB |
Output is correct |
44 |
Correct |
136 ms |
135032 KB |
Output is correct |
45 |
Correct |
135 ms |
134996 KB |
Output is correct |
46 |
Correct |
134 ms |
135032 KB |
Output is correct |
47 |
Correct |
137 ms |
135008 KB |
Output is correct |
48 |
Correct |
138 ms |
135004 KB |
Output is correct |
49 |
Correct |
137 ms |
135032 KB |
Output is correct |
50 |
Correct |
148 ms |
134980 KB |
Output is correct |
51 |
Correct |
148 ms |
135032 KB |
Output is correct |
52 |
Correct |
162 ms |
135012 KB |
Output is correct |
53 |
Correct |
184 ms |
135160 KB |
Output is correct |
54 |
Correct |
149 ms |
135672 KB |
Output is correct |
55 |
Correct |
152 ms |
135648 KB |
Output is correct |
56 |
Correct |
272 ms |
142028 KB |
Output is correct |
57 |
Correct |
170 ms |
142072 KB |
Output is correct |
58 |
Correct |
179 ms |
142060 KB |
Output is correct |
59 |
Correct |
179 ms |
142888 KB |
Output is correct |
60 |
Correct |
185 ms |
143404 KB |
Output is correct |
61 |
Correct |
170 ms |
143096 KB |
Output is correct |
62 |
Correct |
181 ms |
144120 KB |
Output is correct |
63 |
Correct |
184 ms |
144180 KB |
Output is correct |
64 |
Correct |
187 ms |
144180 KB |
Output is correct |
65 |
Correct |
197 ms |
143352 KB |
Output is correct |
66 |
Correct |
176 ms |
144192 KB |
Output is correct |
67 |
Correct |
178 ms |
144048 KB |
Output is correct |
68 |
Correct |
180 ms |
144120 KB |
Output is correct |
69 |
Correct |
135 ms |
134956 KB |
Output is correct |
70 |
Correct |
136 ms |
135032 KB |
Output is correct |
71 |
Correct |
176 ms |
144192 KB |
Output is correct |
72 |
Correct |
177 ms |
144120 KB |
Output is correct |
73 |
Correct |
177 ms |
144200 KB |
Output is correct |
74 |
Correct |
143 ms |
134960 KB |
Output is correct |
75 |
Correct |
151 ms |
134968 KB |
Output is correct |
76 |
Correct |
135 ms |
134992 KB |
Output is correct |
77 |
Correct |
135 ms |
135032 KB |
Output is correct |
78 |
Correct |
199 ms |
142072 KB |
Output is correct |
79 |
Correct |
195 ms |
143324 KB |
Output is correct |
80 |
Correct |
200 ms |
143324 KB |
Output is correct |
81 |
Correct |
180 ms |
144180 KB |
Output is correct |
82 |
Correct |
198 ms |
143252 KB |
Output is correct |
83 |
Correct |
193 ms |
143288 KB |
Output is correct |
84 |
Correct |
137 ms |
134980 KB |
Output is correct |
85 |
Correct |
135 ms |
135068 KB |
Output is correct |
86 |
Correct |
136 ms |
135160 KB |
Output is correct |
87 |
Correct |
136 ms |
135084 KB |
Output is correct |
88 |
Correct |
136 ms |
135136 KB |
Output is correct |
89 |
Correct |
135 ms |
135032 KB |
Output is correct |
90 |
Correct |
135 ms |
135152 KB |
Output is correct |
91 |
Correct |
135 ms |
135032 KB |
Output is correct |
92 |
Correct |
134 ms |
135016 KB |
Output is correct |
93 |
Correct |
133 ms |
135160 KB |
Output is correct |
94 |
Correct |
136 ms |
135032 KB |
Output is correct |
95 |
Correct |
135 ms |
135032 KB |
Output is correct |
96 |
Correct |
136 ms |
135152 KB |
Output is correct |
97 |
Correct |
147 ms |
135132 KB |
Output is correct |
98 |
Correct |
145 ms |
135160 KB |
Output is correct |
99 |
Correct |
135 ms |
135024 KB |
Output is correct |
100 |
Correct |
136 ms |
135084 KB |
Output is correct |
101 |
Correct |
140 ms |
135784 KB |
Output is correct |
102 |
Correct |
140 ms |
135864 KB |
Output is correct |
103 |
Correct |
202 ms |
143352 KB |
Output is correct |
104 |
Correct |
190 ms |
143224 KB |
Output is correct |
105 |
Correct |
198 ms |
143224 KB |
Output is correct |
106 |
Correct |
199 ms |
143336 KB |
Output is correct |
107 |
Correct |
234 ms |
143352 KB |
Output is correct |
108 |
Correct |
184 ms |
143312 KB |
Output is correct |
109 |
Correct |
187 ms |
144180 KB |
Output is correct |
110 |
Correct |
180 ms |
144096 KB |
Output is correct |
111 |
Correct |
195 ms |
143292 KB |
Output is correct |
112 |
Correct |
198 ms |
143324 KB |
Output is correct |
113 |
Correct |
194 ms |
143320 KB |
Output is correct |
114 |
Correct |
196 ms |
143272 KB |
Output is correct |
115 |
Correct |
198 ms |
143240 KB |
Output is correct |