#include <bits/stdc++.h>
#include "shoes.h"
// author: aykhn
using namespace std;
typedef long long ll;
#define TC int t; cin >> t; while (t--) _();
#define OPT ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(v) v.begin(), v.end()
#define pii pair<int, int>
#define mpr make_pair
#define eb emplace_back
#define new int32_t
#define pb push_back
#define ts to_string
#define fi first
#define se second
#define ins insert
#define inf 0x3F3F3F3F
#define infll 0x3F3F3F3F3F3F3F3FLL
#define bpc __builtin_popcount
int n, sz = 1;
vector<int> st;
void add(int lx, int rx, int l, int r, int x)
{
if (l >= rx || r <= lx) return;
if (l >= lx && r <= rx)
{
st[x]++;
return;
}
int mid = (l + r) >> 1;
add(lx, rx, l, mid, 2*x+1);
add(lx, rx, mid, r, 2*x+2);
}
int get(int ind, int l, int r, int x)
{
if (l + 1 == r) return st[x];
int mid = (l + r) >> 1;
if (ind < mid) return st[x] + get(ind, l, mid, 2*x+1);
else return st[x] + get(ind, mid, r, 2*x+2);
}
long long count_swaps(vector<int> v)
{
n = v.size();
while (sz < n) sz <<= 1;
st.assign(sz << 1, 0);
set<int> idx[2][n];
for (int i = 0; i < n; i++)
{
idx[v[i] > 0][abs(v[i])].ins(i);
}
ll ans = 0;
for (int i1 = 0; i1 < n; i1++)
{
int x = v[i1];
if (idx[x > 0][abs(x)].empty() || i1 != *idx[x > 0][abs(x)].begin()) continue;
idx[x > 0][abs(x)].erase(idx[x > 0][abs(x)].begin());
int i = i1 + get(i1, 0, sz, 0);
int id = *idx[x < 0][abs(x)].begin();
idx[x < 0][abs(x)].erase(idx[x < 0][abs(x)].begin());
int rid = id + get(id, 0, sz, 0);
ans += rid - i - 1;
if (x > 0) ans++;
add(i1, id + 1, 0, sz, 0);
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
596 KB |
Output is correct |
19 |
Correct |
1 ms |
560 KB |
Output is correct |
20 |
Correct |
8 ms |
3412 KB |
Output is correct |
21 |
Correct |
7 ms |
3412 KB |
Output is correct |
22 |
Correct |
83 ms |
32084 KB |
Output is correct |
23 |
Correct |
95 ms |
32068 KB |
Output is correct |
24 |
Correct |
75 ms |
32084 KB |
Output is correct |
25 |
Correct |
82 ms |
31960 KB |
Output is correct |
26 |
Correct |
81 ms |
33368 KB |
Output is correct |
27 |
Correct |
83 ms |
33232 KB |
Output is correct |
28 |
Correct |
85 ms |
33364 KB |
Output is correct |
29 |
Correct |
86 ms |
33312 KB |
Output is correct |
30 |
Correct |
81 ms |
33264 KB |
Output is correct |
31 |
Correct |
80 ms |
33360 KB |
Output is correct |
32 |
Correct |
86 ms |
33356 KB |
Output is correct |
33 |
Correct |
85 ms |
33128 KB |
Output is correct |
34 |
Correct |
82 ms |
33372 KB |
Output is correct |
35 |
Correct |
1 ms |
304 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
100 ms |
33332 KB |
Output is correct |
38 |
Correct |
84 ms |
33248 KB |
Output is correct |
39 |
Correct |
84 ms |
33360 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
77 ms |
31972 KB |
Output is correct |
6 |
Correct |
95 ms |
33348 KB |
Output is correct |
7 |
Correct |
91 ms |
33228 KB |
Output is correct |
8 |
Correct |
80 ms |
33308 KB |
Output is correct |
9 |
Correct |
75 ms |
33292 KB |
Output is correct |
10 |
Correct |
114 ms |
33328 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
596 KB |
Output is correct |
42 |
Correct |
1 ms |
596 KB |
Output is correct |
43 |
Correct |
1 ms |
596 KB |
Output is correct |
44 |
Correct |
1 ms |
596 KB |
Output is correct |
45 |
Correct |
1 ms |
596 KB |
Output is correct |
46 |
Correct |
1 ms |
596 KB |
Output is correct |
47 |
Correct |
1 ms |
596 KB |
Output is correct |
48 |
Correct |
1 ms |
596 KB |
Output is correct |
49 |
Correct |
1 ms |
596 KB |
Output is correct |
50 |
Correct |
1 ms |
596 KB |
Output is correct |
51 |
Correct |
1 ms |
596 KB |
Output is correct |
52 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
0 ms |
212 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
596 KB |
Output is correct |
53 |
Correct |
1 ms |
560 KB |
Output is correct |
54 |
Correct |
8 ms |
3412 KB |
Output is correct |
55 |
Correct |
7 ms |
3412 KB |
Output is correct |
56 |
Correct |
83 ms |
32084 KB |
Output is correct |
57 |
Correct |
95 ms |
32068 KB |
Output is correct |
58 |
Correct |
75 ms |
32084 KB |
Output is correct |
59 |
Correct |
82 ms |
31960 KB |
Output is correct |
60 |
Correct |
81 ms |
33368 KB |
Output is correct |
61 |
Correct |
83 ms |
33232 KB |
Output is correct |
62 |
Correct |
85 ms |
33364 KB |
Output is correct |
63 |
Correct |
86 ms |
33312 KB |
Output is correct |
64 |
Correct |
81 ms |
33264 KB |
Output is correct |
65 |
Correct |
80 ms |
33360 KB |
Output is correct |
66 |
Correct |
86 ms |
33356 KB |
Output is correct |
67 |
Correct |
85 ms |
33128 KB |
Output is correct |
68 |
Correct |
82 ms |
33372 KB |
Output is correct |
69 |
Correct |
1 ms |
304 KB |
Output is correct |
70 |
Correct |
1 ms |
212 KB |
Output is correct |
71 |
Correct |
100 ms |
33332 KB |
Output is correct |
72 |
Correct |
84 ms |
33248 KB |
Output is correct |
73 |
Correct |
84 ms |
33360 KB |
Output is correct |
74 |
Correct |
0 ms |
212 KB |
Output is correct |
75 |
Correct |
0 ms |
212 KB |
Output is correct |
76 |
Correct |
0 ms |
212 KB |
Output is correct |
77 |
Correct |
1 ms |
212 KB |
Output is correct |
78 |
Correct |
77 ms |
31972 KB |
Output is correct |
79 |
Correct |
95 ms |
33348 KB |
Output is correct |
80 |
Correct |
91 ms |
33228 KB |
Output is correct |
81 |
Correct |
80 ms |
33308 KB |
Output is correct |
82 |
Correct |
75 ms |
33292 KB |
Output is correct |
83 |
Correct |
114 ms |
33328 KB |
Output is correct |
84 |
Correct |
0 ms |
212 KB |
Output is correct |
85 |
Correct |
0 ms |
212 KB |
Output is correct |
86 |
Correct |
0 ms |
212 KB |
Output is correct |
87 |
Correct |
1 ms |
340 KB |
Output is correct |
88 |
Correct |
1 ms |
596 KB |
Output is correct |
89 |
Correct |
1 ms |
596 KB |
Output is correct |
90 |
Correct |
1 ms |
596 KB |
Output is correct |
91 |
Correct |
1 ms |
596 KB |
Output is correct |
92 |
Correct |
1 ms |
596 KB |
Output is correct |
93 |
Correct |
1 ms |
596 KB |
Output is correct |
94 |
Correct |
1 ms |
596 KB |
Output is correct |
95 |
Correct |
1 ms |
596 KB |
Output is correct |
96 |
Correct |
1 ms |
596 KB |
Output is correct |
97 |
Correct |
1 ms |
596 KB |
Output is correct |
98 |
Correct |
1 ms |
596 KB |
Output is correct |
99 |
Correct |
1 ms |
596 KB |
Output is correct |
100 |
Correct |
1 ms |
596 KB |
Output is correct |
101 |
Correct |
8 ms |
3540 KB |
Output is correct |
102 |
Correct |
8 ms |
3640 KB |
Output is correct |
103 |
Correct |
104 ms |
33280 KB |
Output is correct |
104 |
Correct |
67 ms |
33340 KB |
Output is correct |
105 |
Correct |
98 ms |
33232 KB |
Output is correct |
106 |
Correct |
91 ms |
33332 KB |
Output is correct |
107 |
Correct |
102 ms |
33340 KB |
Output is correct |
108 |
Correct |
78 ms |
33320 KB |
Output is correct |
109 |
Correct |
79 ms |
33356 KB |
Output is correct |
110 |
Correct |
82 ms |
33312 KB |
Output is correct |
111 |
Correct |
78 ms |
33300 KB |
Output is correct |
112 |
Correct |
99 ms |
33308 KB |
Output is correct |
113 |
Correct |
104 ms |
33308 KB |
Output is correct |
114 |
Correct |
98 ms |
33336 KB |
Output is correct |
115 |
Correct |
82 ms |
33336 KB |
Output is correct |