#include <bits/stdc++.h>
using namespace std;
#define lsb(i) ((i) & -(i))
const int c=200002;
int n, t[c], p[c], k;
long long ans;
vector<int> sz[c];
vector<int> x;
int ask(int a) {
int sum=0;
while(a) sum+=t[a], a-=lsb(a);
return sum;
}
int add(int a) {
while(a<=n) t[a]++, a+=lsb(a);
}
long long count_swaps(vector<int> s) {
n=s.size(), k=n/2;
for (int i=0; i<n; i++) {
int x=s[i], y=abs(x)+k, h=i+1;
if (x<0) x*=-1, swap(x, y);
if(sz[y].size()>p[y]) {
int pos=sz[y][p[y]];
p[y]++;
if (x>k) ans++;
ans+=ask(h)-ask(pos);
add(pos);
} else sz[x].push_back(h), add(h);
}
return ans;
}
/*
int main()
{
cin >> n;
for (int i=0; i<2*n; i++) {
int a; cin >> a;
x.push_back(a);
}
cout << count_swaps(x);
return 0;
}
*/
Compilation message
shoes.cpp: In function 'int add(int)':
shoes.cpp:17:1: warning: no return statement in function returning non-void [-Wreturn-type]
}
^
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:23:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(sz[y].size()>p[y]) {
~~~~~~~~~~~~^~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
3 ms |
4992 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
3 ms |
4992 KB |
Output is correct |
6 |
Correct |
3 ms |
4992 KB |
Output is correct |
7 |
Correct |
3 ms |
4992 KB |
Output is correct |
8 |
Correct |
3 ms |
4992 KB |
Output is correct |
9 |
Correct |
3 ms |
4992 KB |
Output is correct |
10 |
Correct |
3 ms |
4992 KB |
Output is correct |
11 |
Correct |
3 ms |
4992 KB |
Output is correct |
12 |
Correct |
3 ms |
4992 KB |
Output is correct |
13 |
Correct |
3 ms |
4992 KB |
Output is correct |
14 |
Correct |
5 ms |
5012 KB |
Output is correct |
15 |
Correct |
3 ms |
4992 KB |
Output is correct |
16 |
Correct |
3 ms |
4992 KB |
Output is correct |
17 |
Correct |
3 ms |
4992 KB |
Output is correct |
18 |
Correct |
3 ms |
4992 KB |
Output is correct |
19 |
Correct |
3 ms |
4992 KB |
Output is correct |
20 |
Correct |
3 ms |
4992 KB |
Output is correct |
21 |
Correct |
3 ms |
4992 KB |
Output is correct |
22 |
Correct |
3 ms |
4992 KB |
Output is correct |
23 |
Correct |
3 ms |
4992 KB |
Output is correct |
24 |
Correct |
3 ms |
4992 KB |
Output is correct |
25 |
Correct |
3 ms |
4992 KB |
Output is correct |
26 |
Correct |
3 ms |
4992 KB |
Output is correct |
27 |
Correct |
4 ms |
4992 KB |
Output is correct |
28 |
Correct |
3 ms |
4992 KB |
Output is correct |
29 |
Correct |
3 ms |
4992 KB |
Output is correct |
30 |
Correct |
3 ms |
4992 KB |
Output is correct |
31 |
Correct |
3 ms |
4992 KB |
Output is correct |
32 |
Correct |
3 ms |
4992 KB |
Output is correct |
33 |
Correct |
3 ms |
4992 KB |
Output is correct |
34 |
Correct |
3 ms |
4992 KB |
Output is correct |
35 |
Correct |
3 ms |
4992 KB |
Output is correct |
36 |
Correct |
3 ms |
4992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
3 ms |
4992 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
3 ms |
4992 KB |
Output is correct |
6 |
Correct |
3 ms |
4968 KB |
Output is correct |
7 |
Correct |
3 ms |
4992 KB |
Output is correct |
8 |
Correct |
3 ms |
4992 KB |
Output is correct |
9 |
Correct |
4 ms |
4992 KB |
Output is correct |
10 |
Correct |
3 ms |
4992 KB |
Output is correct |
11 |
Correct |
3 ms |
4992 KB |
Output is correct |
12 |
Correct |
3 ms |
4992 KB |
Output is correct |
13 |
Correct |
3 ms |
4992 KB |
Output is correct |
14 |
Correct |
3 ms |
4992 KB |
Output is correct |
15 |
Correct |
3 ms |
4992 KB |
Output is correct |
16 |
Correct |
3 ms |
4992 KB |
Output is correct |
17 |
Correct |
3 ms |
4992 KB |
Output is correct |
18 |
Correct |
3 ms |
4992 KB |
Output is correct |
19 |
Correct |
4 ms |
4992 KB |
Output is correct |
20 |
Correct |
8 ms |
5504 KB |
Output is correct |
21 |
Correct |
7 ms |
5504 KB |
Output is correct |
22 |
Correct |
40 ms |
9192 KB |
Output is correct |
23 |
Correct |
40 ms |
9200 KB |
Output is correct |
24 |
Correct |
53 ms |
9096 KB |
Output is correct |
25 |
Correct |
36 ms |
8564 KB |
Output is correct |
26 |
Correct |
41 ms |
9200 KB |
Output is correct |
27 |
Correct |
37 ms |
8944 KB |
Output is correct |
28 |
Correct |
38 ms |
8820 KB |
Output is correct |
29 |
Correct |
38 ms |
8820 KB |
Output is correct |
30 |
Correct |
37 ms |
8820 KB |
Output is correct |
31 |
Correct |
43 ms |
9200 KB |
Output is correct |
32 |
Correct |
38 ms |
8820 KB |
Output is correct |
33 |
Correct |
37 ms |
8564 KB |
Output is correct |
34 |
Correct |
37 ms |
8828 KB |
Output is correct |
35 |
Correct |
3 ms |
4992 KB |
Output is correct |
36 |
Correct |
3 ms |
4992 KB |
Output is correct |
37 |
Correct |
37 ms |
8820 KB |
Output is correct |
38 |
Correct |
36 ms |
8828 KB |
Output is correct |
39 |
Correct |
38 ms |
8820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
3 ms |
4992 KB |
Output is correct |
4 |
Correct |
3 ms |
4992 KB |
Output is correct |
5 |
Correct |
58 ms |
11768 KB |
Output is correct |
6 |
Correct |
51 ms |
9460 KB |
Output is correct |
7 |
Correct |
56 ms |
11768 KB |
Output is correct |
8 |
Correct |
39 ms |
8760 KB |
Output is correct |
9 |
Correct |
55 ms |
11768 KB |
Output is correct |
10 |
Correct |
58 ms |
10232 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
3 ms |
4992 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
3 ms |
4992 KB |
Output is correct |
6 |
Correct |
3 ms |
4992 KB |
Output is correct |
7 |
Correct |
3 ms |
4992 KB |
Output is correct |
8 |
Correct |
3 ms |
4992 KB |
Output is correct |
9 |
Correct |
3 ms |
4992 KB |
Output is correct |
10 |
Correct |
3 ms |
4992 KB |
Output is correct |
11 |
Correct |
3 ms |
4992 KB |
Output is correct |
12 |
Correct |
3 ms |
4992 KB |
Output is correct |
13 |
Correct |
3 ms |
4992 KB |
Output is correct |
14 |
Correct |
5 ms |
5012 KB |
Output is correct |
15 |
Correct |
3 ms |
4992 KB |
Output is correct |
16 |
Correct |
3 ms |
4992 KB |
Output is correct |
17 |
Correct |
3 ms |
4992 KB |
Output is correct |
18 |
Correct |
3 ms |
4992 KB |
Output is correct |
19 |
Correct |
3 ms |
4992 KB |
Output is correct |
20 |
Correct |
3 ms |
4992 KB |
Output is correct |
21 |
Correct |
3 ms |
4992 KB |
Output is correct |
22 |
Correct |
3 ms |
4992 KB |
Output is correct |
23 |
Correct |
3 ms |
4992 KB |
Output is correct |
24 |
Correct |
3 ms |
4992 KB |
Output is correct |
25 |
Correct |
3 ms |
4992 KB |
Output is correct |
26 |
Correct |
3 ms |
4992 KB |
Output is correct |
27 |
Correct |
4 ms |
4992 KB |
Output is correct |
28 |
Correct |
3 ms |
4992 KB |
Output is correct |
29 |
Correct |
3 ms |
4992 KB |
Output is correct |
30 |
Correct |
3 ms |
4992 KB |
Output is correct |
31 |
Correct |
3 ms |
4992 KB |
Output is correct |
32 |
Correct |
3 ms |
4992 KB |
Output is correct |
33 |
Correct |
3 ms |
4992 KB |
Output is correct |
34 |
Correct |
3 ms |
4992 KB |
Output is correct |
35 |
Correct |
3 ms |
4992 KB |
Output is correct |
36 |
Correct |
3 ms |
4992 KB |
Output is correct |
37 |
Correct |
3 ms |
4992 KB |
Output is correct |
38 |
Correct |
3 ms |
4992 KB |
Output is correct |
39 |
Correct |
3 ms |
4992 KB |
Output is correct |
40 |
Correct |
3 ms |
4992 KB |
Output is correct |
41 |
Correct |
4 ms |
5120 KB |
Output is correct |
42 |
Correct |
4 ms |
5120 KB |
Output is correct |
43 |
Correct |
4 ms |
5120 KB |
Output is correct |
44 |
Correct |
4 ms |
5120 KB |
Output is correct |
45 |
Correct |
3 ms |
5120 KB |
Output is correct |
46 |
Correct |
4 ms |
5120 KB |
Output is correct |
47 |
Correct |
3 ms |
4992 KB |
Output is correct |
48 |
Correct |
3 ms |
4992 KB |
Output is correct |
49 |
Correct |
4 ms |
4992 KB |
Output is correct |
50 |
Correct |
4 ms |
4992 KB |
Output is correct |
51 |
Correct |
4 ms |
4992 KB |
Output is correct |
52 |
Correct |
3 ms |
5120 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
3 ms |
4992 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
3 ms |
4992 KB |
Output is correct |
6 |
Correct |
3 ms |
4992 KB |
Output is correct |
7 |
Correct |
3 ms |
4992 KB |
Output is correct |
8 |
Correct |
3 ms |
4992 KB |
Output is correct |
9 |
Correct |
3 ms |
4992 KB |
Output is correct |
10 |
Correct |
3 ms |
4992 KB |
Output is correct |
11 |
Correct |
3 ms |
4992 KB |
Output is correct |
12 |
Correct |
3 ms |
4992 KB |
Output is correct |
13 |
Correct |
3 ms |
4992 KB |
Output is correct |
14 |
Correct |
5 ms |
5012 KB |
Output is correct |
15 |
Correct |
3 ms |
4992 KB |
Output is correct |
16 |
Correct |
3 ms |
4992 KB |
Output is correct |
17 |
Correct |
3 ms |
4992 KB |
Output is correct |
18 |
Correct |
3 ms |
4992 KB |
Output is correct |
19 |
Correct |
3 ms |
4992 KB |
Output is correct |
20 |
Correct |
3 ms |
4992 KB |
Output is correct |
21 |
Correct |
3 ms |
4992 KB |
Output is correct |
22 |
Correct |
3 ms |
4992 KB |
Output is correct |
23 |
Correct |
3 ms |
4992 KB |
Output is correct |
24 |
Correct |
3 ms |
4992 KB |
Output is correct |
25 |
Correct |
3 ms |
4992 KB |
Output is correct |
26 |
Correct |
3 ms |
4992 KB |
Output is correct |
27 |
Correct |
4 ms |
4992 KB |
Output is correct |
28 |
Correct |
3 ms |
4992 KB |
Output is correct |
29 |
Correct |
3 ms |
4992 KB |
Output is correct |
30 |
Correct |
3 ms |
4992 KB |
Output is correct |
31 |
Correct |
3 ms |
4992 KB |
Output is correct |
32 |
Correct |
3 ms |
4992 KB |
Output is correct |
33 |
Correct |
3 ms |
4992 KB |
Output is correct |
34 |
Correct |
3 ms |
4992 KB |
Output is correct |
35 |
Correct |
3 ms |
4992 KB |
Output is correct |
36 |
Correct |
3 ms |
4992 KB |
Output is correct |
37 |
Correct |
3 ms |
4992 KB |
Output is correct |
38 |
Correct |
4 ms |
4992 KB |
Output is correct |
39 |
Correct |
3 ms |
4992 KB |
Output is correct |
40 |
Correct |
3 ms |
4968 KB |
Output is correct |
41 |
Correct |
3 ms |
4992 KB |
Output is correct |
42 |
Correct |
3 ms |
4992 KB |
Output is correct |
43 |
Correct |
4 ms |
4992 KB |
Output is correct |
44 |
Correct |
3 ms |
4992 KB |
Output is correct |
45 |
Correct |
3 ms |
4992 KB |
Output is correct |
46 |
Correct |
3 ms |
4992 KB |
Output is correct |
47 |
Correct |
3 ms |
4992 KB |
Output is correct |
48 |
Correct |
3 ms |
4992 KB |
Output is correct |
49 |
Correct |
3 ms |
4992 KB |
Output is correct |
50 |
Correct |
3 ms |
4992 KB |
Output is correct |
51 |
Correct |
3 ms |
4992 KB |
Output is correct |
52 |
Correct |
3 ms |
4992 KB |
Output is correct |
53 |
Correct |
4 ms |
4992 KB |
Output is correct |
54 |
Correct |
8 ms |
5504 KB |
Output is correct |
55 |
Correct |
7 ms |
5504 KB |
Output is correct |
56 |
Correct |
40 ms |
9192 KB |
Output is correct |
57 |
Correct |
40 ms |
9200 KB |
Output is correct |
58 |
Correct |
53 ms |
9096 KB |
Output is correct |
59 |
Correct |
36 ms |
8564 KB |
Output is correct |
60 |
Correct |
41 ms |
9200 KB |
Output is correct |
61 |
Correct |
37 ms |
8944 KB |
Output is correct |
62 |
Correct |
38 ms |
8820 KB |
Output is correct |
63 |
Correct |
38 ms |
8820 KB |
Output is correct |
64 |
Correct |
37 ms |
8820 KB |
Output is correct |
65 |
Correct |
43 ms |
9200 KB |
Output is correct |
66 |
Correct |
38 ms |
8820 KB |
Output is correct |
67 |
Correct |
37 ms |
8564 KB |
Output is correct |
68 |
Correct |
37 ms |
8828 KB |
Output is correct |
69 |
Correct |
3 ms |
4992 KB |
Output is correct |
70 |
Correct |
3 ms |
4992 KB |
Output is correct |
71 |
Correct |
37 ms |
8820 KB |
Output is correct |
72 |
Correct |
36 ms |
8828 KB |
Output is correct |
73 |
Correct |
38 ms |
8820 KB |
Output is correct |
74 |
Correct |
3 ms |
4992 KB |
Output is correct |
75 |
Correct |
3 ms |
4992 KB |
Output is correct |
76 |
Correct |
3 ms |
4992 KB |
Output is correct |
77 |
Correct |
3 ms |
4992 KB |
Output is correct |
78 |
Correct |
58 ms |
11768 KB |
Output is correct |
79 |
Correct |
51 ms |
9460 KB |
Output is correct |
80 |
Correct |
56 ms |
11768 KB |
Output is correct |
81 |
Correct |
39 ms |
8760 KB |
Output is correct |
82 |
Correct |
55 ms |
11768 KB |
Output is correct |
83 |
Correct |
58 ms |
10232 KB |
Output is correct |
84 |
Correct |
3 ms |
4992 KB |
Output is correct |
85 |
Correct |
3 ms |
4992 KB |
Output is correct |
86 |
Correct |
3 ms |
4992 KB |
Output is correct |
87 |
Correct |
3 ms |
4992 KB |
Output is correct |
88 |
Correct |
4 ms |
5120 KB |
Output is correct |
89 |
Correct |
4 ms |
5120 KB |
Output is correct |
90 |
Correct |
4 ms |
5120 KB |
Output is correct |
91 |
Correct |
4 ms |
5120 KB |
Output is correct |
92 |
Correct |
3 ms |
5120 KB |
Output is correct |
93 |
Correct |
4 ms |
5120 KB |
Output is correct |
94 |
Correct |
3 ms |
4992 KB |
Output is correct |
95 |
Correct |
3 ms |
4992 KB |
Output is correct |
96 |
Correct |
4 ms |
4992 KB |
Output is correct |
97 |
Correct |
4 ms |
4992 KB |
Output is correct |
98 |
Correct |
4 ms |
4992 KB |
Output is correct |
99 |
Correct |
3 ms |
5120 KB |
Output is correct |
100 |
Correct |
4 ms |
5120 KB |
Output is correct |
101 |
Correct |
8 ms |
5760 KB |
Output is correct |
102 |
Correct |
8 ms |
5504 KB |
Output is correct |
103 |
Correct |
76 ms |
12536 KB |
Output is correct |
104 |
Correct |
58 ms |
12152 KB |
Output is correct |
105 |
Correct |
67 ms |
11768 KB |
Output is correct |
106 |
Correct |
60 ms |
11768 KB |
Output is correct |
107 |
Correct |
53 ms |
9848 KB |
Output is correct |
108 |
Correct |
61 ms |
9940 KB |
Output is correct |
109 |
Correct |
38 ms |
8820 KB |
Output is correct |
110 |
Correct |
39 ms |
8784 KB |
Output is correct |
111 |
Correct |
59 ms |
11384 KB |
Output is correct |
112 |
Correct |
68 ms |
11768 KB |
Output is correct |
113 |
Correct |
62 ms |
9464 KB |
Output is correct |
114 |
Correct |
62 ms |
11768 KB |
Output is correct |
115 |
Correct |
64 ms |
11788 KB |
Output is correct |