#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long arr[200005], seg[4*200005];
void build(long long n, long long l, long long r) {
if (l == r) {
seg[n] = arr[l];
} else {
long long m = (l+r)/2;
build(2*n, l, m);
build(2*n+1, m+1, r);
seg[n] = seg[2*n] + seg[2*n+1];
}
}
void update(long long n, long long l, long long r, long long i, long long v) {
if (l == r) {
seg[n] = v;
} else {
long long m = (l+r)/2;
if (l <= i && i <= m) {
update(2*n, l, m, i, v);
} else {
update(2*n+1, m+1, r, i, v);
}
seg[n] = seg[2*n] + seg[2*n+1];
}
}
long long query(long long n, long long l, long long r, long long a, long long b) {
if (b < l || r < a) {
return 0;
} else if (a <= l && r <= b) {
return seg[n];
} else {
long long m = (l+r)/2;
return query(2*n, l, m, a, b) + query(2*n+1, m+1, r, a, b);
}
}
long long count_swaps(vector<int> s) {
long long n = s.size(), ans = 0;
vector<long long> vis(n, 0);
map<long long, vector<long long>> num;
for (long long i = 0; i < n; i++) {
num[s[i]].push_back(i);
arr[i] = 1;
}
for (auto c : num) {
reverse(num[c.first].begin(), num[c.first].end());
}
build(1, 0, n-1);
for (long long i = 0; i < n; i++) {
if (vis[i]) {
continue;
}
long long co = 0, ind = -1;
long long j = s[i]*-1;
ind = num[j].back();
num[s[i]].pop_back();
num[j].pop_back();
co = query(1, 0, n-1, i, ind)-2;
vis[i] = 1;
vis[ind] = 1;
update(1, 0, n-1, i, 0);
update(1, 0, n-1, ind, 0);
ans += co;
if (j < 0) {
ans++;
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
0 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
0 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
0 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2476 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
0 ms |
2396 KB |
Output is correct |
24 |
Correct |
0 ms |
2396 KB |
Output is correct |
25 |
Correct |
0 ms |
2396 KB |
Output is correct |
26 |
Correct |
0 ms |
2396 KB |
Output is correct |
27 |
Correct |
0 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2392 KB |
Output is correct |
29 |
Correct |
0 ms |
2396 KB |
Output is correct |
30 |
Correct |
0 ms |
2392 KB |
Output is correct |
31 |
Correct |
0 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
0 ms |
2396 KB |
Output is correct |
34 |
Correct |
0 ms |
2396 KB |
Output is correct |
35 |
Correct |
1 ms |
2396 KB |
Output is correct |
36 |
Correct |
0 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2392 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
0 ms |
2396 KB |
Output is correct |
11 |
Correct |
0 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
0 ms |
2396 KB |
Output is correct |
14 |
Correct |
0 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
0 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
5 ms |
3676 KB |
Output is correct |
21 |
Correct |
5 ms |
5468 KB |
Output is correct |
22 |
Correct |
51 ms |
13368 KB |
Output is correct |
23 |
Correct |
43 ms |
13580 KB |
Output is correct |
24 |
Correct |
51 ms |
13404 KB |
Output is correct |
25 |
Correct |
47 ms |
13376 KB |
Output is correct |
26 |
Correct |
51 ms |
14612 KB |
Output is correct |
27 |
Correct |
42 ms |
14776 KB |
Output is correct |
28 |
Correct |
46 ms |
14908 KB |
Output is correct |
29 |
Correct |
54 ms |
14776 KB |
Output is correct |
30 |
Correct |
47 ms |
14908 KB |
Output is correct |
31 |
Correct |
49 ms |
14804 KB |
Output is correct |
32 |
Correct |
44 ms |
14652 KB |
Output is correct |
33 |
Correct |
48 ms |
14648 KB |
Output is correct |
34 |
Correct |
49 ms |
14752 KB |
Output is correct |
35 |
Correct |
1 ms |
2392 KB |
Output is correct |
36 |
Correct |
0 ms |
2396 KB |
Output is correct |
37 |
Correct |
49 ms |
14656 KB |
Output is correct |
38 |
Correct |
56 ms |
14648 KB |
Output is correct |
39 |
Correct |
50 ms |
14912 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
257 ms |
33364 KB |
Output is correct |
6 |
Correct |
110 ms |
16468 KB |
Output is correct |
7 |
Correct |
223 ms |
34388 KB |
Output is correct |
8 |
Correct |
50 ms |
15180 KB |
Output is correct |
9 |
Correct |
239 ms |
34384 KB |
Output is correct |
10 |
Correct |
169 ms |
23888 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
0 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
0 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
0 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2476 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
0 ms |
2396 KB |
Output is correct |
24 |
Correct |
0 ms |
2396 KB |
Output is correct |
25 |
Correct |
0 ms |
2396 KB |
Output is correct |
26 |
Correct |
0 ms |
2396 KB |
Output is correct |
27 |
Correct |
0 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2392 KB |
Output is correct |
29 |
Correct |
0 ms |
2396 KB |
Output is correct |
30 |
Correct |
0 ms |
2392 KB |
Output is correct |
31 |
Correct |
0 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
0 ms |
2396 KB |
Output is correct |
34 |
Correct |
0 ms |
2396 KB |
Output is correct |
35 |
Correct |
1 ms |
2396 KB |
Output is correct |
36 |
Correct |
0 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
1 ms |
2396 KB |
Output is correct |
39 |
Correct |
0 ms |
2396 KB |
Output is correct |
40 |
Correct |
1 ms |
2396 KB |
Output is correct |
41 |
Correct |
2 ms |
2676 KB |
Output is correct |
42 |
Correct |
1 ms |
2652 KB |
Output is correct |
43 |
Correct |
1 ms |
2652 KB |
Output is correct |
44 |
Correct |
1 ms |
2652 KB |
Output is correct |
45 |
Correct |
1 ms |
2652 KB |
Output is correct |
46 |
Correct |
1 ms |
2652 KB |
Output is correct |
47 |
Correct |
1 ms |
2652 KB |
Output is correct |
48 |
Correct |
1 ms |
2396 KB |
Output is correct |
49 |
Correct |
1 ms |
2396 KB |
Output is correct |
50 |
Correct |
1 ms |
2396 KB |
Output is correct |
51 |
Correct |
1 ms |
2396 KB |
Output is correct |
52 |
Correct |
1 ms |
2652 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
0 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
0 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
0 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2476 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
0 ms |
2396 KB |
Output is correct |
24 |
Correct |
0 ms |
2396 KB |
Output is correct |
25 |
Correct |
0 ms |
2396 KB |
Output is correct |
26 |
Correct |
0 ms |
2396 KB |
Output is correct |
27 |
Correct |
0 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2392 KB |
Output is correct |
29 |
Correct |
0 ms |
2396 KB |
Output is correct |
30 |
Correct |
0 ms |
2392 KB |
Output is correct |
31 |
Correct |
0 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
0 ms |
2396 KB |
Output is correct |
34 |
Correct |
0 ms |
2396 KB |
Output is correct |
35 |
Correct |
1 ms |
2396 KB |
Output is correct |
36 |
Correct |
0 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
0 ms |
2396 KB |
Output is correct |
39 |
Correct |
0 ms |
2396 KB |
Output is correct |
40 |
Correct |
1 ms |
2396 KB |
Output is correct |
41 |
Correct |
0 ms |
2396 KB |
Output is correct |
42 |
Correct |
1 ms |
2392 KB |
Output is correct |
43 |
Correct |
0 ms |
2396 KB |
Output is correct |
44 |
Correct |
0 ms |
2396 KB |
Output is correct |
45 |
Correct |
0 ms |
2396 KB |
Output is correct |
46 |
Correct |
0 ms |
2396 KB |
Output is correct |
47 |
Correct |
0 ms |
2396 KB |
Output is correct |
48 |
Correct |
0 ms |
2396 KB |
Output is correct |
49 |
Correct |
1 ms |
2396 KB |
Output is correct |
50 |
Correct |
0 ms |
2396 KB |
Output is correct |
51 |
Correct |
1 ms |
2396 KB |
Output is correct |
52 |
Correct |
1 ms |
2396 KB |
Output is correct |
53 |
Correct |
1 ms |
2396 KB |
Output is correct |
54 |
Correct |
5 ms |
3676 KB |
Output is correct |
55 |
Correct |
5 ms |
5468 KB |
Output is correct |
56 |
Correct |
51 ms |
13368 KB |
Output is correct |
57 |
Correct |
43 ms |
13580 KB |
Output is correct |
58 |
Correct |
51 ms |
13404 KB |
Output is correct |
59 |
Correct |
47 ms |
13376 KB |
Output is correct |
60 |
Correct |
51 ms |
14612 KB |
Output is correct |
61 |
Correct |
42 ms |
14776 KB |
Output is correct |
62 |
Correct |
46 ms |
14908 KB |
Output is correct |
63 |
Correct |
54 ms |
14776 KB |
Output is correct |
64 |
Correct |
47 ms |
14908 KB |
Output is correct |
65 |
Correct |
49 ms |
14804 KB |
Output is correct |
66 |
Correct |
44 ms |
14652 KB |
Output is correct |
67 |
Correct |
48 ms |
14648 KB |
Output is correct |
68 |
Correct |
49 ms |
14752 KB |
Output is correct |
69 |
Correct |
1 ms |
2392 KB |
Output is correct |
70 |
Correct |
0 ms |
2396 KB |
Output is correct |
71 |
Correct |
49 ms |
14656 KB |
Output is correct |
72 |
Correct |
56 ms |
14648 KB |
Output is correct |
73 |
Correct |
50 ms |
14912 KB |
Output is correct |
74 |
Correct |
1 ms |
2396 KB |
Output is correct |
75 |
Correct |
0 ms |
2396 KB |
Output is correct |
76 |
Correct |
0 ms |
2396 KB |
Output is correct |
77 |
Correct |
0 ms |
2396 KB |
Output is correct |
78 |
Correct |
257 ms |
33364 KB |
Output is correct |
79 |
Correct |
110 ms |
16468 KB |
Output is correct |
80 |
Correct |
223 ms |
34388 KB |
Output is correct |
81 |
Correct |
50 ms |
15180 KB |
Output is correct |
82 |
Correct |
239 ms |
34384 KB |
Output is correct |
83 |
Correct |
169 ms |
23888 KB |
Output is correct |
84 |
Correct |
1 ms |
2396 KB |
Output is correct |
85 |
Correct |
1 ms |
2396 KB |
Output is correct |
86 |
Correct |
0 ms |
2396 KB |
Output is correct |
87 |
Correct |
1 ms |
2396 KB |
Output is correct |
88 |
Correct |
2 ms |
2676 KB |
Output is correct |
89 |
Correct |
1 ms |
2652 KB |
Output is correct |
90 |
Correct |
1 ms |
2652 KB |
Output is correct |
91 |
Correct |
1 ms |
2652 KB |
Output is correct |
92 |
Correct |
1 ms |
2652 KB |
Output is correct |
93 |
Correct |
1 ms |
2652 KB |
Output is correct |
94 |
Correct |
1 ms |
2652 KB |
Output is correct |
95 |
Correct |
1 ms |
2396 KB |
Output is correct |
96 |
Correct |
1 ms |
2396 KB |
Output is correct |
97 |
Correct |
1 ms |
2396 KB |
Output is correct |
98 |
Correct |
1 ms |
2396 KB |
Output is correct |
99 |
Correct |
1 ms |
2652 KB |
Output is correct |
100 |
Correct |
2 ms |
2652 KB |
Output is correct |
101 |
Correct |
17 ms |
7004 KB |
Output is correct |
102 |
Correct |
11 ms |
4112 KB |
Output is correct |
103 |
Correct |
294 ms |
34488 KB |
Output is correct |
104 |
Correct |
201 ms |
34360 KB |
Output is correct |
105 |
Correct |
192 ms |
24996 KB |
Output is correct |
106 |
Correct |
240 ms |
34132 KB |
Output is correct |
107 |
Correct |
116 ms |
16976 KB |
Output is correct |
108 |
Correct |
118 ms |
19108 KB |
Output is correct |
109 |
Correct |
49 ms |
15052 KB |
Output is correct |
110 |
Correct |
56 ms |
15012 KB |
Output is correct |
111 |
Correct |
202 ms |
32060 KB |
Output is correct |
112 |
Correct |
222 ms |
29524 KB |
Output is correct |
113 |
Correct |
119 ms |
16972 KB |
Output is correct |
114 |
Correct |
232 ms |
34356 KB |
Output is correct |
115 |
Correct |
219 ms |
34376 KB |
Output is correct |