#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
constexpr int N=1e5;
constexpr int base=(1<<18);
vector<int> gdzie[2*N+9];
int tree[2*base+9];
bool used[2*N+9];
void add(int x, int a, int b, int p, int k, int val){
if (a>k || b<p) return;
if (p<=a && b<=k){
tree[x] += val;
return;
}
int mid = (a+b)/2;
add(2*x,a,mid,p,k,val);
add(2*x+1,mid+1,b,p,k,val);
}
ll query(int x){
x += base;
int odp=0;
while(x>0){
odp += tree[x];
x = x>>1;
}
return odp;
}
ll count_swaps(vector<int> s) {
ll odp = 0,n=s.size()/2;
for (int x=2*n-1;x>=0;x--){
gdzie[s[x]+n].push_back(x);
add(1,0,base-1,x,x,x);
}
for (int x=0;x<2*n;x++){
if (used[x]) continue;
odp += query(gdzie[-s[x]+n].back());
used[x] = 1; used[gdzie[-s[x]+n].back()] = 1;
if (s[x]<0)odp--;
add(1,0,base-1,x,2*n-1,-1);
add(1,0,base-1,gdzie[-s[x]+n].back(),2*n-1,-1);
gdzie[s[x]+n].pop_back();
gdzie[-s[x]+n].pop_back();
}
return odp;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5004 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5004 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
4 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
5000 KB |
Output is correct |
6 |
Correct |
3 ms |
5004 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
5000 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5004 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
4 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
5004 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
4 ms |
5008 KB |
Output is correct |
22 |
Correct |
3 ms |
4948 KB |
Output is correct |
23 |
Correct |
3 ms |
4948 KB |
Output is correct |
24 |
Correct |
3 ms |
4948 KB |
Output is correct |
25 |
Correct |
4 ms |
5004 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
5000 KB |
Output is correct |
28 |
Correct |
4 ms |
4948 KB |
Output is correct |
29 |
Correct |
3 ms |
4948 KB |
Output is correct |
30 |
Correct |
4 ms |
5024 KB |
Output is correct |
31 |
Correct |
3 ms |
4948 KB |
Output is correct |
32 |
Correct |
3 ms |
4948 KB |
Output is correct |
33 |
Correct |
3 ms |
5004 KB |
Output is correct |
34 |
Correct |
3 ms |
5004 KB |
Output is correct |
35 |
Correct |
3 ms |
4948 KB |
Output is correct |
36 |
Correct |
4 ms |
5036 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5004 KB |
Output is correct |
3 |
Correct |
3 ms |
5000 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
5000 KB |
Output is correct |
6 |
Correct |
3 ms |
5000 KB |
Output is correct |
7 |
Correct |
4 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
5000 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
4948 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
4 ms |
4960 KB |
Output is correct |
17 |
Correct |
4 ms |
5008 KB |
Output is correct |
18 |
Correct |
5 ms |
5076 KB |
Output is correct |
19 |
Correct |
4 ms |
5004 KB |
Output is correct |
20 |
Correct |
14 ms |
5572 KB |
Output is correct |
21 |
Correct |
10 ms |
5588 KB |
Output is correct |
22 |
Correct |
77 ms |
10504 KB |
Output is correct |
23 |
Correct |
72 ms |
10504 KB |
Output is correct |
24 |
Correct |
71 ms |
10536 KB |
Output is correct |
25 |
Correct |
68 ms |
10308 KB |
Output is correct |
26 |
Correct |
96 ms |
10536 KB |
Output is correct |
27 |
Correct |
70 ms |
10304 KB |
Output is correct |
28 |
Correct |
77 ms |
10444 KB |
Output is correct |
29 |
Correct |
70 ms |
10488 KB |
Output is correct |
30 |
Correct |
73 ms |
10508 KB |
Output is correct |
31 |
Correct |
73 ms |
10444 KB |
Output is correct |
32 |
Correct |
72 ms |
10428 KB |
Output is correct |
33 |
Correct |
76 ms |
10240 KB |
Output is correct |
34 |
Correct |
71 ms |
10436 KB |
Output is correct |
35 |
Correct |
3 ms |
4948 KB |
Output is correct |
36 |
Correct |
3 ms |
4948 KB |
Output is correct |
37 |
Correct |
92 ms |
10428 KB |
Output is correct |
38 |
Correct |
82 ms |
10472 KB |
Output is correct |
39 |
Correct |
73 ms |
10436 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
5004 KB |
Output is correct |
4 |
Correct |
3 ms |
5008 KB |
Output is correct |
5 |
Correct |
102 ms |
15800 KB |
Output is correct |
6 |
Correct |
96 ms |
11028 KB |
Output is correct |
7 |
Correct |
103 ms |
15740 KB |
Output is correct |
8 |
Correct |
78 ms |
10544 KB |
Output is correct |
9 |
Correct |
113 ms |
15820 KB |
Output is correct |
10 |
Correct |
110 ms |
12764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5004 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
4 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
5000 KB |
Output is correct |
6 |
Correct |
3 ms |
5004 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
5000 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5004 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
4 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
5004 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
4 ms |
5008 KB |
Output is correct |
22 |
Correct |
3 ms |
4948 KB |
Output is correct |
23 |
Correct |
3 ms |
4948 KB |
Output is correct |
24 |
Correct |
3 ms |
4948 KB |
Output is correct |
25 |
Correct |
4 ms |
5004 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
5000 KB |
Output is correct |
28 |
Correct |
4 ms |
4948 KB |
Output is correct |
29 |
Correct |
3 ms |
4948 KB |
Output is correct |
30 |
Correct |
4 ms |
5024 KB |
Output is correct |
31 |
Correct |
3 ms |
4948 KB |
Output is correct |
32 |
Correct |
3 ms |
4948 KB |
Output is correct |
33 |
Correct |
3 ms |
5004 KB |
Output is correct |
34 |
Correct |
3 ms |
5004 KB |
Output is correct |
35 |
Correct |
3 ms |
4948 KB |
Output is correct |
36 |
Correct |
4 ms |
5036 KB |
Output is correct |
37 |
Correct |
3 ms |
4948 KB |
Output is correct |
38 |
Correct |
3 ms |
4948 KB |
Output is correct |
39 |
Correct |
3 ms |
5000 KB |
Output is correct |
40 |
Correct |
3 ms |
4948 KB |
Output is correct |
41 |
Correct |
4 ms |
5076 KB |
Output is correct |
42 |
Correct |
4 ms |
5144 KB |
Output is correct |
43 |
Correct |
4 ms |
5128 KB |
Output is correct |
44 |
Correct |
4 ms |
5076 KB |
Output is correct |
45 |
Correct |
4 ms |
5076 KB |
Output is correct |
46 |
Correct |
6 ms |
5076 KB |
Output is correct |
47 |
Correct |
4 ms |
5076 KB |
Output is correct |
48 |
Correct |
4 ms |
5072 KB |
Output is correct |
49 |
Correct |
4 ms |
5076 KB |
Output is correct |
50 |
Correct |
4 ms |
5076 KB |
Output is correct |
51 |
Correct |
4 ms |
5076 KB |
Output is correct |
52 |
Correct |
4 ms |
5076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5004 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
4 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
5000 KB |
Output is correct |
6 |
Correct |
3 ms |
5004 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
5000 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5004 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
4 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
5004 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
4 ms |
5008 KB |
Output is correct |
22 |
Correct |
3 ms |
4948 KB |
Output is correct |
23 |
Correct |
3 ms |
4948 KB |
Output is correct |
24 |
Correct |
3 ms |
4948 KB |
Output is correct |
25 |
Correct |
4 ms |
5004 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
5000 KB |
Output is correct |
28 |
Correct |
4 ms |
4948 KB |
Output is correct |
29 |
Correct |
3 ms |
4948 KB |
Output is correct |
30 |
Correct |
4 ms |
5024 KB |
Output is correct |
31 |
Correct |
3 ms |
4948 KB |
Output is correct |
32 |
Correct |
3 ms |
4948 KB |
Output is correct |
33 |
Correct |
3 ms |
5004 KB |
Output is correct |
34 |
Correct |
3 ms |
5004 KB |
Output is correct |
35 |
Correct |
3 ms |
4948 KB |
Output is correct |
36 |
Correct |
4 ms |
5036 KB |
Output is correct |
37 |
Correct |
3 ms |
5000 KB |
Output is correct |
38 |
Correct |
3 ms |
4948 KB |
Output is correct |
39 |
Correct |
3 ms |
5000 KB |
Output is correct |
40 |
Correct |
3 ms |
5000 KB |
Output is correct |
41 |
Correct |
4 ms |
4948 KB |
Output is correct |
42 |
Correct |
3 ms |
4948 KB |
Output is correct |
43 |
Correct |
3 ms |
5000 KB |
Output is correct |
44 |
Correct |
3 ms |
4948 KB |
Output is correct |
45 |
Correct |
3 ms |
4948 KB |
Output is correct |
46 |
Correct |
3 ms |
4948 KB |
Output is correct |
47 |
Correct |
3 ms |
4948 KB |
Output is correct |
48 |
Correct |
3 ms |
4948 KB |
Output is correct |
49 |
Correct |
3 ms |
4948 KB |
Output is correct |
50 |
Correct |
4 ms |
4960 KB |
Output is correct |
51 |
Correct |
4 ms |
5008 KB |
Output is correct |
52 |
Correct |
5 ms |
5076 KB |
Output is correct |
53 |
Correct |
4 ms |
5004 KB |
Output is correct |
54 |
Correct |
14 ms |
5572 KB |
Output is correct |
55 |
Correct |
10 ms |
5588 KB |
Output is correct |
56 |
Correct |
77 ms |
10504 KB |
Output is correct |
57 |
Correct |
72 ms |
10504 KB |
Output is correct |
58 |
Correct |
71 ms |
10536 KB |
Output is correct |
59 |
Correct |
68 ms |
10308 KB |
Output is correct |
60 |
Correct |
96 ms |
10536 KB |
Output is correct |
61 |
Correct |
70 ms |
10304 KB |
Output is correct |
62 |
Correct |
77 ms |
10444 KB |
Output is correct |
63 |
Correct |
70 ms |
10488 KB |
Output is correct |
64 |
Correct |
73 ms |
10508 KB |
Output is correct |
65 |
Correct |
73 ms |
10444 KB |
Output is correct |
66 |
Correct |
72 ms |
10428 KB |
Output is correct |
67 |
Correct |
76 ms |
10240 KB |
Output is correct |
68 |
Correct |
71 ms |
10436 KB |
Output is correct |
69 |
Correct |
3 ms |
4948 KB |
Output is correct |
70 |
Correct |
3 ms |
4948 KB |
Output is correct |
71 |
Correct |
92 ms |
10428 KB |
Output is correct |
72 |
Correct |
82 ms |
10472 KB |
Output is correct |
73 |
Correct |
73 ms |
10436 KB |
Output is correct |
74 |
Correct |
3 ms |
4948 KB |
Output is correct |
75 |
Correct |
3 ms |
4948 KB |
Output is correct |
76 |
Correct |
3 ms |
5004 KB |
Output is correct |
77 |
Correct |
3 ms |
5008 KB |
Output is correct |
78 |
Correct |
102 ms |
15800 KB |
Output is correct |
79 |
Correct |
96 ms |
11028 KB |
Output is correct |
80 |
Correct |
103 ms |
15740 KB |
Output is correct |
81 |
Correct |
78 ms |
10544 KB |
Output is correct |
82 |
Correct |
113 ms |
15820 KB |
Output is correct |
83 |
Correct |
110 ms |
12764 KB |
Output is correct |
84 |
Correct |
3 ms |
4948 KB |
Output is correct |
85 |
Correct |
3 ms |
4948 KB |
Output is correct |
86 |
Correct |
3 ms |
5000 KB |
Output is correct |
87 |
Correct |
3 ms |
4948 KB |
Output is correct |
88 |
Correct |
4 ms |
5076 KB |
Output is correct |
89 |
Correct |
4 ms |
5144 KB |
Output is correct |
90 |
Correct |
4 ms |
5128 KB |
Output is correct |
91 |
Correct |
4 ms |
5076 KB |
Output is correct |
92 |
Correct |
4 ms |
5076 KB |
Output is correct |
93 |
Correct |
6 ms |
5076 KB |
Output is correct |
94 |
Correct |
4 ms |
5076 KB |
Output is correct |
95 |
Correct |
4 ms |
5072 KB |
Output is correct |
96 |
Correct |
4 ms |
5076 KB |
Output is correct |
97 |
Correct |
4 ms |
5076 KB |
Output is correct |
98 |
Correct |
4 ms |
5076 KB |
Output is correct |
99 |
Correct |
4 ms |
5076 KB |
Output is correct |
100 |
Correct |
4 ms |
5076 KB |
Output is correct |
101 |
Correct |
13 ms |
6012 KB |
Output is correct |
102 |
Correct |
12 ms |
5656 KB |
Output is correct |
103 |
Correct |
150 ms |
15852 KB |
Output is correct |
104 |
Correct |
124 ms |
15756 KB |
Output is correct |
105 |
Correct |
128 ms |
13132 KB |
Output is correct |
106 |
Correct |
93 ms |
15732 KB |
Output is correct |
107 |
Correct |
106 ms |
11280 KB |
Output is correct |
108 |
Correct |
108 ms |
11564 KB |
Output is correct |
109 |
Correct |
86 ms |
10844 KB |
Output is correct |
110 |
Correct |
74 ms |
10560 KB |
Output is correct |
111 |
Correct |
132 ms |
15132 KB |
Output is correct |
112 |
Correct |
113 ms |
14376 KB |
Output is correct |
113 |
Correct |
112 ms |
11160 KB |
Output is correct |
114 |
Correct |
104 ms |
15856 KB |
Output is correct |
115 |
Correct |
101 ms |
15844 KB |
Output is correct |