#include "shoes.h"
#include <map>
#include <set>
#include <algorithm>
#include <tuple>
#include <iostream>
#include <queue>
using namespace std;
typedef long long ll;
const int maxn = 1e6 + 7;
int bit[maxn];
void upd(int x) {
x++;
while (x < maxn) {
bit[x]++; x += x & (-x);
}
}
int qry(int x) {
int ans = 0; x++;
while (x > 0) {
ans += bit[x]; x -= x & (-x);
}
return ans;
}
vector < int > res;
map < int, queue < int > > M;
map < int, int > G;
long long count_swaps(std::vector<int> s) {
int n = s.size(); M.clear(); G.clear();
res.clear(); res.resize(n);
int cur = 0;
fill(bit, bit + n + n, 0);
for (int j = 0; j < n; j++) {
if (M.find(-s[j]) != M.end() && !M[-s[j]].empty()) {
int z = M[-s[j]].front(); M[-s[j]].pop();
int p = G[z];
if (s[j] < 0) {
res[p + p] = j; res[p + p + 1] = z;
} else {
res[p + p + 1] = j; res[p + p] = z;
}
} else {
if (M.find(s[j]) == M.end()) M[s[j]] = *new queue < int >();
M[s[j]].push(j);
G[j] = cur++;
}
}
ll ans = 0;
//for (int x : res) {
//cout << x << " ";
//}
//cout << endl;
for (int j = n - 1; j >= 0; j--) {
ans += qry(res[j]); upd(res[j]);
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
296 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
3 ms |
376 KB |
Output is correct |
20 |
Correct |
8 ms |
1272 KB |
Output is correct |
21 |
Correct |
9 ms |
1272 KB |
Output is correct |
22 |
Correct |
81 ms |
10232 KB |
Output is correct |
23 |
Correct |
84 ms |
10232 KB |
Output is correct |
24 |
Correct |
86 ms |
10260 KB |
Output is correct |
25 |
Correct |
66 ms |
10360 KB |
Output is correct |
26 |
Correct |
84 ms |
10204 KB |
Output is correct |
27 |
Correct |
83 ms |
10104 KB |
Output is correct |
28 |
Correct |
67 ms |
10620 KB |
Output is correct |
29 |
Correct |
68 ms |
10616 KB |
Output is correct |
30 |
Correct |
67 ms |
10652 KB |
Output is correct |
31 |
Correct |
82 ms |
10232 KB |
Output is correct |
32 |
Correct |
67 ms |
10744 KB |
Output is correct |
33 |
Correct |
65 ms |
10516 KB |
Output is correct |
34 |
Correct |
67 ms |
10616 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
67 ms |
10616 KB |
Output is correct |
38 |
Correct |
67 ms |
10616 KB |
Output is correct |
39 |
Correct |
68 ms |
10616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
504 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
570 ms |
151128 KB |
Output is correct |
6 |
Correct |
191 ms |
22524 KB |
Output is correct |
7 |
Correct |
528 ms |
151168 KB |
Output is correct |
8 |
Correct |
74 ms |
10616 KB |
Output is correct |
9 |
Correct |
525 ms |
151132 KB |
Output is correct |
10 |
Correct |
362 ms |
80760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
504 KB |
Output is correct |
40 |
Correct |
3 ms |
760 KB |
Output is correct |
41 |
Correct |
5 ms |
1784 KB |
Output is correct |
42 |
Correct |
5 ms |
1912 KB |
Output is correct |
43 |
Correct |
5 ms |
1784 KB |
Output is correct |
44 |
Correct |
4 ms |
1528 KB |
Output is correct |
45 |
Correct |
5 ms |
1400 KB |
Output is correct |
46 |
Correct |
4 ms |
1144 KB |
Output is correct |
47 |
Correct |
4 ms |
1016 KB |
Output is correct |
48 |
Correct |
4 ms |
888 KB |
Output is correct |
49 |
Correct |
4 ms |
780 KB |
Output is correct |
50 |
Correct |
3 ms |
536 KB |
Output is correct |
51 |
Correct |
2 ms |
376 KB |
Output is correct |
52 |
Correct |
5 ms |
1784 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
3 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
3 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
2 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
376 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
2 ms |
296 KB |
Output is correct |
40 |
Correct |
2 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
2 ms |
376 KB |
Output is correct |
43 |
Correct |
2 ms |
376 KB |
Output is correct |
44 |
Correct |
2 ms |
376 KB |
Output is correct |
45 |
Correct |
2 ms |
376 KB |
Output is correct |
46 |
Correct |
2 ms |
376 KB |
Output is correct |
47 |
Correct |
2 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
2 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
376 KB |
Output is correct |
51 |
Correct |
2 ms |
376 KB |
Output is correct |
52 |
Correct |
3 ms |
376 KB |
Output is correct |
53 |
Correct |
3 ms |
376 KB |
Output is correct |
54 |
Correct |
8 ms |
1272 KB |
Output is correct |
55 |
Correct |
9 ms |
1272 KB |
Output is correct |
56 |
Correct |
81 ms |
10232 KB |
Output is correct |
57 |
Correct |
84 ms |
10232 KB |
Output is correct |
58 |
Correct |
86 ms |
10260 KB |
Output is correct |
59 |
Correct |
66 ms |
10360 KB |
Output is correct |
60 |
Correct |
84 ms |
10204 KB |
Output is correct |
61 |
Correct |
83 ms |
10104 KB |
Output is correct |
62 |
Correct |
67 ms |
10620 KB |
Output is correct |
63 |
Correct |
68 ms |
10616 KB |
Output is correct |
64 |
Correct |
67 ms |
10652 KB |
Output is correct |
65 |
Correct |
82 ms |
10232 KB |
Output is correct |
66 |
Correct |
67 ms |
10744 KB |
Output is correct |
67 |
Correct |
65 ms |
10516 KB |
Output is correct |
68 |
Correct |
67 ms |
10616 KB |
Output is correct |
69 |
Correct |
2 ms |
376 KB |
Output is correct |
70 |
Correct |
2 ms |
376 KB |
Output is correct |
71 |
Correct |
67 ms |
10616 KB |
Output is correct |
72 |
Correct |
67 ms |
10616 KB |
Output is correct |
73 |
Correct |
68 ms |
10616 KB |
Output is correct |
74 |
Correct |
2 ms |
376 KB |
Output is correct |
75 |
Correct |
3 ms |
376 KB |
Output is correct |
76 |
Correct |
2 ms |
504 KB |
Output is correct |
77 |
Correct |
2 ms |
376 KB |
Output is correct |
78 |
Correct |
570 ms |
151128 KB |
Output is correct |
79 |
Correct |
191 ms |
22524 KB |
Output is correct |
80 |
Correct |
528 ms |
151168 KB |
Output is correct |
81 |
Correct |
74 ms |
10616 KB |
Output is correct |
82 |
Correct |
525 ms |
151132 KB |
Output is correct |
83 |
Correct |
362 ms |
80760 KB |
Output is correct |
84 |
Correct |
2 ms |
376 KB |
Output is correct |
85 |
Correct |
2 ms |
376 KB |
Output is correct |
86 |
Correct |
3 ms |
504 KB |
Output is correct |
87 |
Correct |
3 ms |
760 KB |
Output is correct |
88 |
Correct |
5 ms |
1784 KB |
Output is correct |
89 |
Correct |
5 ms |
1912 KB |
Output is correct |
90 |
Correct |
5 ms |
1784 KB |
Output is correct |
91 |
Correct |
4 ms |
1528 KB |
Output is correct |
92 |
Correct |
5 ms |
1400 KB |
Output is correct |
93 |
Correct |
4 ms |
1144 KB |
Output is correct |
94 |
Correct |
4 ms |
1016 KB |
Output is correct |
95 |
Correct |
4 ms |
888 KB |
Output is correct |
96 |
Correct |
4 ms |
780 KB |
Output is correct |
97 |
Correct |
3 ms |
536 KB |
Output is correct |
98 |
Correct |
2 ms |
376 KB |
Output is correct |
99 |
Correct |
5 ms |
1784 KB |
Output is correct |
100 |
Correct |
5 ms |
1912 KB |
Output is correct |
101 |
Correct |
44 ms |
14476 KB |
Output is correct |
102 |
Correct |
26 ms |
5624 KB |
Output is correct |
103 |
Correct |
768 ms |
151124 KB |
Output is correct |
104 |
Correct |
456 ms |
151096 KB |
Output is correct |
105 |
Correct |
482 ms |
115904 KB |
Output is correct |
106 |
Correct |
525 ms |
151140 KB |
Output is correct |
107 |
Correct |
192 ms |
25888 KB |
Output is correct |
108 |
Correct |
231 ms |
41464 KB |
Output is correct |
109 |
Correct |
70 ms |
10616 KB |
Output is correct |
110 |
Correct |
67 ms |
10588 KB |
Output is correct |
111 |
Correct |
549 ms |
135688 KB |
Output is correct |
112 |
Correct |
639 ms |
120148 KB |
Output is correct |
113 |
Correct |
258 ms |
27640 KB |
Output is correct |
114 |
Correct |
621 ms |
151160 KB |
Output is correct |
115 |
Correct |
558 ms |
151224 KB |
Output is correct |