#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
const int OFF = 1e5 + 5;
const int N = 2 * OFF;
bitset<N> is_used;
vector< set<int> > g (N);
template<typename T>
struct FenwickTree {
vector<T> bit;
const int N;
FenwickTree (int n) : N (n + 5) {
bit.clear();
bit.resize(N);
}
void update (int idx, T delta) {
for (; idx < N; idx += idx & (- idx)) {
bit[idx] += delta;
}
}
void range_update (int lo, int hi, T delta) {
update (lo, + delta);
update (hi + 1, - delta);
}
T query (int idx) {
T res {};
for (; idx > 0; idx -= idx & (- idx)) {
res += bit[idx];
}
return res;
}
};
long long count_swaps(vector<int> s) {
long long res = 0;
const int n = (int) s.size();
FenwickTree<int> fen (N);
s.insert (s.begin(), 0);
is_used.reset();
for (int i = 1; i <= n; i++) {
g[s[i] + OFF].insert(i);
}
for (int i = 1; i <= n; i++) {
if (is_used.test(i)) continue;
int delta = s[i] * -1;
int cur = i;
int nxt = *g[delta + OFF].begin();
is_used.set(cur);
is_used.set(nxt);
int p1 = cur + fen.query (cur);
int p2 = nxt + fen.query (nxt);
res += p2 - p1 - (s[i] < 0);
g[s[i] + OFF].erase(i);
g[delta + OFF].erase(nxt);
fen.range_update (cur + 1, nxt - 1, + 1);
}
return res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
10496 KB |
Output is correct |
2 |
Correct |
11 ms |
10496 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
10496 KB |
Output is correct |
2 |
Correct |
11 ms |
10496 KB |
Output is correct |
3 |
Correct |
11 ms |
10496 KB |
Output is correct |
4 |
Correct |
10 ms |
10496 KB |
Output is correct |
5 |
Correct |
10 ms |
10496 KB |
Output is correct |
6 |
Correct |
11 ms |
10496 KB |
Output is correct |
7 |
Correct |
10 ms |
10496 KB |
Output is correct |
8 |
Correct |
12 ms |
10496 KB |
Output is correct |
9 |
Correct |
10 ms |
10496 KB |
Output is correct |
10 |
Correct |
10 ms |
10496 KB |
Output is correct |
11 |
Correct |
12 ms |
10496 KB |
Output is correct |
12 |
Correct |
10 ms |
10496 KB |
Output is correct |
13 |
Correct |
11 ms |
10496 KB |
Output is correct |
14 |
Correct |
10 ms |
10496 KB |
Output is correct |
15 |
Correct |
10 ms |
10624 KB |
Output is correct |
16 |
Correct |
12 ms |
10496 KB |
Output is correct |
17 |
Correct |
12 ms |
10496 KB |
Output is correct |
18 |
Correct |
10 ms |
10496 KB |
Output is correct |
19 |
Correct |
10 ms |
10496 KB |
Output is correct |
20 |
Correct |
10 ms |
10496 KB |
Output is correct |
21 |
Correct |
12 ms |
10496 KB |
Output is correct |
22 |
Correct |
10 ms |
10496 KB |
Output is correct |
23 |
Correct |
10 ms |
10496 KB |
Output is correct |
24 |
Correct |
11 ms |
10496 KB |
Output is correct |
25 |
Correct |
10 ms |
10496 KB |
Output is correct |
26 |
Correct |
11 ms |
10496 KB |
Output is correct |
27 |
Correct |
10 ms |
10496 KB |
Output is correct |
28 |
Correct |
11 ms |
10496 KB |
Output is correct |
29 |
Correct |
10 ms |
10496 KB |
Output is correct |
30 |
Correct |
10 ms |
10496 KB |
Output is correct |
31 |
Correct |
10 ms |
10496 KB |
Output is correct |
32 |
Correct |
10 ms |
10496 KB |
Output is correct |
33 |
Correct |
10 ms |
10496 KB |
Output is correct |
34 |
Correct |
10 ms |
10496 KB |
Output is correct |
35 |
Correct |
11 ms |
10496 KB |
Output is correct |
36 |
Correct |
14 ms |
10496 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
10496 KB |
Output is correct |
2 |
Correct |
11 ms |
10496 KB |
Output is correct |
3 |
Correct |
10 ms |
10496 KB |
Output is correct |
4 |
Correct |
11 ms |
10496 KB |
Output is correct |
5 |
Correct |
10 ms |
10496 KB |
Output is correct |
6 |
Correct |
13 ms |
10496 KB |
Output is correct |
7 |
Correct |
12 ms |
10496 KB |
Output is correct |
8 |
Correct |
10 ms |
10496 KB |
Output is correct |
9 |
Correct |
10 ms |
10496 KB |
Output is correct |
10 |
Correct |
12 ms |
10496 KB |
Output is correct |
11 |
Correct |
12 ms |
10496 KB |
Output is correct |
12 |
Correct |
10 ms |
10496 KB |
Output is correct |
13 |
Correct |
11 ms |
10496 KB |
Output is correct |
14 |
Correct |
10 ms |
10496 KB |
Output is correct |
15 |
Correct |
12 ms |
10496 KB |
Output is correct |
16 |
Correct |
10 ms |
10624 KB |
Output is correct |
17 |
Correct |
11 ms |
10496 KB |
Output is correct |
18 |
Correct |
11 ms |
10624 KB |
Output is correct |
19 |
Correct |
11 ms |
10624 KB |
Output is correct |
20 |
Correct |
18 ms |
11776 KB |
Output is correct |
21 |
Correct |
18 ms |
11776 KB |
Output is correct |
22 |
Correct |
89 ms |
21796 KB |
Output is correct |
23 |
Correct |
104 ms |
21748 KB |
Output is correct |
24 |
Correct |
91 ms |
21736 KB |
Output is correct |
25 |
Correct |
105 ms |
21736 KB |
Output is correct |
26 |
Correct |
94 ms |
21736 KB |
Output is correct |
27 |
Correct |
106 ms |
21736 KB |
Output is correct |
28 |
Correct |
106 ms |
21736 KB |
Output is correct |
29 |
Correct |
104 ms |
21864 KB |
Output is correct |
30 |
Correct |
107 ms |
21736 KB |
Output is correct |
31 |
Correct |
91 ms |
21736 KB |
Output is correct |
32 |
Correct |
105 ms |
21736 KB |
Output is correct |
33 |
Correct |
102 ms |
21736 KB |
Output is correct |
34 |
Correct |
107 ms |
21736 KB |
Output is correct |
35 |
Correct |
12 ms |
10752 KB |
Output is correct |
36 |
Correct |
10 ms |
10496 KB |
Output is correct |
37 |
Correct |
103 ms |
21736 KB |
Output is correct |
38 |
Correct |
104 ms |
21736 KB |
Output is correct |
39 |
Correct |
100 ms |
21736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
10496 KB |
Output is correct |
2 |
Correct |
10 ms |
10624 KB |
Output is correct |
3 |
Correct |
12 ms |
10496 KB |
Output is correct |
4 |
Correct |
11 ms |
10496 KB |
Output is correct |
5 |
Correct |
124 ms |
21736 KB |
Output is correct |
6 |
Correct |
170 ms |
21736 KB |
Output is correct |
7 |
Correct |
92 ms |
21736 KB |
Output is correct |
8 |
Correct |
99 ms |
21736 KB |
Output is correct |
9 |
Correct |
122 ms |
21640 KB |
Output is correct |
10 |
Correct |
118 ms |
21736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
10496 KB |
Output is correct |
2 |
Correct |
11 ms |
10496 KB |
Output is correct |
3 |
Correct |
11 ms |
10496 KB |
Output is correct |
4 |
Correct |
10 ms |
10496 KB |
Output is correct |
5 |
Correct |
10 ms |
10496 KB |
Output is correct |
6 |
Correct |
11 ms |
10496 KB |
Output is correct |
7 |
Correct |
10 ms |
10496 KB |
Output is correct |
8 |
Correct |
12 ms |
10496 KB |
Output is correct |
9 |
Correct |
10 ms |
10496 KB |
Output is correct |
10 |
Correct |
10 ms |
10496 KB |
Output is correct |
11 |
Correct |
12 ms |
10496 KB |
Output is correct |
12 |
Correct |
10 ms |
10496 KB |
Output is correct |
13 |
Correct |
11 ms |
10496 KB |
Output is correct |
14 |
Correct |
10 ms |
10496 KB |
Output is correct |
15 |
Correct |
10 ms |
10624 KB |
Output is correct |
16 |
Correct |
12 ms |
10496 KB |
Output is correct |
17 |
Correct |
12 ms |
10496 KB |
Output is correct |
18 |
Correct |
10 ms |
10496 KB |
Output is correct |
19 |
Correct |
10 ms |
10496 KB |
Output is correct |
20 |
Correct |
10 ms |
10496 KB |
Output is correct |
21 |
Correct |
12 ms |
10496 KB |
Output is correct |
22 |
Correct |
10 ms |
10496 KB |
Output is correct |
23 |
Correct |
10 ms |
10496 KB |
Output is correct |
24 |
Correct |
11 ms |
10496 KB |
Output is correct |
25 |
Correct |
10 ms |
10496 KB |
Output is correct |
26 |
Correct |
11 ms |
10496 KB |
Output is correct |
27 |
Correct |
10 ms |
10496 KB |
Output is correct |
28 |
Correct |
11 ms |
10496 KB |
Output is correct |
29 |
Correct |
10 ms |
10496 KB |
Output is correct |
30 |
Correct |
10 ms |
10496 KB |
Output is correct |
31 |
Correct |
10 ms |
10496 KB |
Output is correct |
32 |
Correct |
10 ms |
10496 KB |
Output is correct |
33 |
Correct |
10 ms |
10496 KB |
Output is correct |
34 |
Correct |
10 ms |
10496 KB |
Output is correct |
35 |
Correct |
11 ms |
10496 KB |
Output is correct |
36 |
Correct |
14 ms |
10496 KB |
Output is correct |
37 |
Correct |
10 ms |
10496 KB |
Output is correct |
38 |
Correct |
10 ms |
10496 KB |
Output is correct |
39 |
Correct |
12 ms |
10496 KB |
Output is correct |
40 |
Correct |
10 ms |
10496 KB |
Output is correct |
41 |
Correct |
13 ms |
10624 KB |
Output is correct |
42 |
Correct |
13 ms |
10624 KB |
Output is correct |
43 |
Correct |
11 ms |
10624 KB |
Output is correct |
44 |
Correct |
11 ms |
10624 KB |
Output is correct |
45 |
Correct |
15 ms |
10624 KB |
Output is correct |
46 |
Correct |
12 ms |
10624 KB |
Output is correct |
47 |
Correct |
11 ms |
10624 KB |
Output is correct |
48 |
Correct |
13 ms |
10624 KB |
Output is correct |
49 |
Correct |
11 ms |
10624 KB |
Output is correct |
50 |
Correct |
12 ms |
10624 KB |
Output is correct |
51 |
Correct |
11 ms |
10624 KB |
Output is correct |
52 |
Correct |
11 ms |
10624 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
10496 KB |
Output is correct |
2 |
Correct |
11 ms |
10496 KB |
Output is correct |
3 |
Correct |
11 ms |
10496 KB |
Output is correct |
4 |
Correct |
10 ms |
10496 KB |
Output is correct |
5 |
Correct |
10 ms |
10496 KB |
Output is correct |
6 |
Correct |
11 ms |
10496 KB |
Output is correct |
7 |
Correct |
10 ms |
10496 KB |
Output is correct |
8 |
Correct |
12 ms |
10496 KB |
Output is correct |
9 |
Correct |
10 ms |
10496 KB |
Output is correct |
10 |
Correct |
10 ms |
10496 KB |
Output is correct |
11 |
Correct |
12 ms |
10496 KB |
Output is correct |
12 |
Correct |
10 ms |
10496 KB |
Output is correct |
13 |
Correct |
11 ms |
10496 KB |
Output is correct |
14 |
Correct |
10 ms |
10496 KB |
Output is correct |
15 |
Correct |
10 ms |
10624 KB |
Output is correct |
16 |
Correct |
12 ms |
10496 KB |
Output is correct |
17 |
Correct |
12 ms |
10496 KB |
Output is correct |
18 |
Correct |
10 ms |
10496 KB |
Output is correct |
19 |
Correct |
10 ms |
10496 KB |
Output is correct |
20 |
Correct |
10 ms |
10496 KB |
Output is correct |
21 |
Correct |
12 ms |
10496 KB |
Output is correct |
22 |
Correct |
10 ms |
10496 KB |
Output is correct |
23 |
Correct |
10 ms |
10496 KB |
Output is correct |
24 |
Correct |
11 ms |
10496 KB |
Output is correct |
25 |
Correct |
10 ms |
10496 KB |
Output is correct |
26 |
Correct |
11 ms |
10496 KB |
Output is correct |
27 |
Correct |
10 ms |
10496 KB |
Output is correct |
28 |
Correct |
11 ms |
10496 KB |
Output is correct |
29 |
Correct |
10 ms |
10496 KB |
Output is correct |
30 |
Correct |
10 ms |
10496 KB |
Output is correct |
31 |
Correct |
10 ms |
10496 KB |
Output is correct |
32 |
Correct |
10 ms |
10496 KB |
Output is correct |
33 |
Correct |
10 ms |
10496 KB |
Output is correct |
34 |
Correct |
10 ms |
10496 KB |
Output is correct |
35 |
Correct |
11 ms |
10496 KB |
Output is correct |
36 |
Correct |
14 ms |
10496 KB |
Output is correct |
37 |
Correct |
10 ms |
10496 KB |
Output is correct |
38 |
Correct |
11 ms |
10496 KB |
Output is correct |
39 |
Correct |
10 ms |
10496 KB |
Output is correct |
40 |
Correct |
13 ms |
10496 KB |
Output is correct |
41 |
Correct |
12 ms |
10496 KB |
Output is correct |
42 |
Correct |
10 ms |
10496 KB |
Output is correct |
43 |
Correct |
10 ms |
10496 KB |
Output is correct |
44 |
Correct |
12 ms |
10496 KB |
Output is correct |
45 |
Correct |
12 ms |
10496 KB |
Output is correct |
46 |
Correct |
10 ms |
10496 KB |
Output is correct |
47 |
Correct |
11 ms |
10496 KB |
Output is correct |
48 |
Correct |
10 ms |
10496 KB |
Output is correct |
49 |
Correct |
12 ms |
10496 KB |
Output is correct |
50 |
Correct |
10 ms |
10624 KB |
Output is correct |
51 |
Correct |
11 ms |
10496 KB |
Output is correct |
52 |
Correct |
11 ms |
10624 KB |
Output is correct |
53 |
Correct |
11 ms |
10624 KB |
Output is correct |
54 |
Correct |
18 ms |
11776 KB |
Output is correct |
55 |
Correct |
18 ms |
11776 KB |
Output is correct |
56 |
Correct |
89 ms |
21796 KB |
Output is correct |
57 |
Correct |
104 ms |
21748 KB |
Output is correct |
58 |
Correct |
91 ms |
21736 KB |
Output is correct |
59 |
Correct |
105 ms |
21736 KB |
Output is correct |
60 |
Correct |
94 ms |
21736 KB |
Output is correct |
61 |
Correct |
106 ms |
21736 KB |
Output is correct |
62 |
Correct |
106 ms |
21736 KB |
Output is correct |
63 |
Correct |
104 ms |
21864 KB |
Output is correct |
64 |
Correct |
107 ms |
21736 KB |
Output is correct |
65 |
Correct |
91 ms |
21736 KB |
Output is correct |
66 |
Correct |
105 ms |
21736 KB |
Output is correct |
67 |
Correct |
102 ms |
21736 KB |
Output is correct |
68 |
Correct |
107 ms |
21736 KB |
Output is correct |
69 |
Correct |
12 ms |
10752 KB |
Output is correct |
70 |
Correct |
10 ms |
10496 KB |
Output is correct |
71 |
Correct |
103 ms |
21736 KB |
Output is correct |
72 |
Correct |
104 ms |
21736 KB |
Output is correct |
73 |
Correct |
100 ms |
21736 KB |
Output is correct |
74 |
Correct |
12 ms |
10496 KB |
Output is correct |
75 |
Correct |
10 ms |
10624 KB |
Output is correct |
76 |
Correct |
12 ms |
10496 KB |
Output is correct |
77 |
Correct |
11 ms |
10496 KB |
Output is correct |
78 |
Correct |
124 ms |
21736 KB |
Output is correct |
79 |
Correct |
170 ms |
21736 KB |
Output is correct |
80 |
Correct |
92 ms |
21736 KB |
Output is correct |
81 |
Correct |
99 ms |
21736 KB |
Output is correct |
82 |
Correct |
122 ms |
21640 KB |
Output is correct |
83 |
Correct |
118 ms |
21736 KB |
Output is correct |
84 |
Correct |
10 ms |
10496 KB |
Output is correct |
85 |
Correct |
10 ms |
10496 KB |
Output is correct |
86 |
Correct |
12 ms |
10496 KB |
Output is correct |
87 |
Correct |
10 ms |
10496 KB |
Output is correct |
88 |
Correct |
13 ms |
10624 KB |
Output is correct |
89 |
Correct |
13 ms |
10624 KB |
Output is correct |
90 |
Correct |
11 ms |
10624 KB |
Output is correct |
91 |
Correct |
11 ms |
10624 KB |
Output is correct |
92 |
Correct |
15 ms |
10624 KB |
Output is correct |
93 |
Correct |
12 ms |
10624 KB |
Output is correct |
94 |
Correct |
11 ms |
10624 KB |
Output is correct |
95 |
Correct |
13 ms |
10624 KB |
Output is correct |
96 |
Correct |
11 ms |
10624 KB |
Output is correct |
97 |
Correct |
12 ms |
10624 KB |
Output is correct |
98 |
Correct |
11 ms |
10624 KB |
Output is correct |
99 |
Correct |
11 ms |
10624 KB |
Output is correct |
100 |
Correct |
11 ms |
10624 KB |
Output is correct |
101 |
Correct |
18 ms |
11776 KB |
Output is correct |
102 |
Correct |
18 ms |
11776 KB |
Output is correct |
103 |
Correct |
122 ms |
21736 KB |
Output is correct |
104 |
Correct |
124 ms |
21736 KB |
Output is correct |
105 |
Correct |
134 ms |
21736 KB |
Output is correct |
106 |
Correct |
113 ms |
21864 KB |
Output is correct |
107 |
Correct |
133 ms |
21736 KB |
Output is correct |
108 |
Correct |
122 ms |
21736 KB |
Output is correct |
109 |
Correct |
89 ms |
21736 KB |
Output is correct |
110 |
Correct |
104 ms |
21992 KB |
Output is correct |
111 |
Correct |
127 ms |
21736 KB |
Output is correct |
112 |
Correct |
151 ms |
21736 KB |
Output is correct |
113 |
Correct |
136 ms |
21736 KB |
Output is correct |
114 |
Correct |
94 ms |
21736 KB |
Output is correct |
115 |
Correct |
94 ms |
21740 KB |
Output is correct |