#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define all(x) (x).begin(), (x).end()
typedef int64_t lld;
typedef pair<int, int> pii;
#include<bits/extc++.h>
using namespace __gnu_pbds;
template<typename T, typename comp = greater<T>>
using OST = tree<T, null_type, comp, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T1, typename T2>
ostream& operator<<(ostream& out, pair<T1, T2> p){
return out << "(" << p.ff << ", " << p.ss << ")";
}
map<int, int> cnt;
map<pii, int> mp;
vector<int> bit;
void add(int i){
i = bit.size()-i;
do bit[i]++;
while((i += i&-i) < bit.size());
}
int query(int i){
i = bit.size()-i;
int ans = 0;
do ans += bit[i];
while(i -= i&-i);
return ans;
}
OST<int> ost;
long long count_swaps(vector<int> s) {
lld ans = 0; int id = 0;
for(auto i: s)if(mp[{-i, cnt[i]}])mp[{i, cnt[i]}] = mp[{-i, cnt[i]}], cnt[i]++; else mp[{i, cnt[i]++}] = ++id;
cnt.clear(), id = 0; bit.resize(2*s.size()+4);
for(auto i: s)id = (i > 0?mp[{-i, cnt[i]++}]*2+1:mp[{i, cnt[i]++}]*2), ans += query(id), add(id);
return ans;
}
Compilation message
shoes.cpp: In function 'void add(int)':
shoes.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | while((i += i&-i) < bit.size());
| ~~~~~~~~~~~~^~~~~~~~~~~~
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Correct |
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Correct |
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384 KB |
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Correct |
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Correct |
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Correct |
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Correct |
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Correct |
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Correct |
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Correct |
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Correct |
1 ms |
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Correct |
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Correct |
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Correct |
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Correct |
1 ms |
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Correct |
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Correct |
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Correct |
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Correct |
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34 |
Correct |
1 ms |
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Output is correct |
35 |
Correct |
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36 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
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3 |
Correct |
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4 |
Correct |
1 ms |
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5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
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Correct |
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8 |
Correct |
1 ms |
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Correct |
0 ms |
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10 |
Correct |
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11 |
Correct |
1 ms |
256 KB |
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12 |
Correct |
0 ms |
256 KB |
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13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
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15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
512 KB |
Output is correct |
19 |
Correct |
2 ms |
416 KB |
Output is correct |
20 |
Correct |
16 ms |
1920 KB |
Output is correct |
21 |
Correct |
15 ms |
1920 KB |
Output is correct |
22 |
Correct |
187 ms |
15992 KB |
Output is correct |
23 |
Correct |
184 ms |
15992 KB |
Output is correct |
24 |
Correct |
192 ms |
16120 KB |
Output is correct |
25 |
Correct |
169 ms |
15992 KB |
Output is correct |
26 |
Correct |
206 ms |
15992 KB |
Output is correct |
27 |
Correct |
181 ms |
15992 KB |
Output is correct |
28 |
Correct |
172 ms |
15992 KB |
Output is correct |
29 |
Correct |
174 ms |
16020 KB |
Output is correct |
30 |
Correct |
173 ms |
16120 KB |
Output is correct |
31 |
Correct |
193 ms |
15992 KB |
Output is correct |
32 |
Correct |
173 ms |
15912 KB |
Output is correct |
33 |
Correct |
171 ms |
15996 KB |
Output is correct |
34 |
Correct |
170 ms |
15992 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
256 KB |
Output is correct |
37 |
Correct |
170 ms |
15992 KB |
Output is correct |
38 |
Correct |
179 ms |
15992 KB |
Output is correct |
39 |
Correct |
174 ms |
15992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
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Correct |
0 ms |
256 KB |
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3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
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5 |
Correct |
760 ms |
25336 KB |
Output is correct |
6 |
Correct |
560 ms |
16760 KB |
Output is correct |
7 |
Correct |
764 ms |
25536 KB |
Output is correct |
8 |
Correct |
160 ms |
15992 KB |
Output is correct |
9 |
Correct |
754 ms |
25304 KB |
Output is correct |
10 |
Correct |
702 ms |
20652 KB |
Output is correct |
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결과 |
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메모리 |
Grader output |
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Correct |
0 ms |
256 KB |
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1 ms |
256 KB |
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0 ms |
256 KB |
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Correct |
0 ms |
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Correct |
0 ms |
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9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
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12 |
Correct |
0 ms |
256 KB |
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Correct |
1 ms |
256 KB |
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Correct |
0 ms |
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Correct |
1 ms |
256 KB |
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Correct |
0 ms |
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Correct |
1 ms |
256 KB |
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0 ms |
256 KB |
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0 ms |
256 KB |
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256 KB |
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Correct |
0 ms |
256 KB |
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Correct |
1 ms |
256 KB |
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Correct |
0 ms |
256 KB |
Output is correct |
27 |
Correct |
0 ms |
256 KB |
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Correct |
0 ms |
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Correct |
1 ms |
256 KB |
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0 ms |
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0 ms |
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1 ms |
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256 KB |
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Correct |
0 ms |
384 KB |
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Correct |
1 ms |
384 KB |
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Correct |
1 ms |
384 KB |
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Correct |
3 ms |
512 KB |
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42 |
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3 ms |
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Correct |
3 ms |
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3 ms |
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3 ms |
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2 ms |
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2 ms |
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2 ms |
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2 ms |
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52 |
Correct |
3 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
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Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
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Correct |
0 ms |
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1 ms |
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0 ms |
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Correct |
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Correct |
0 ms |
256 KB |
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10 |
Correct |
1 ms |
384 KB |
Output is correct |
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Correct |
0 ms |
256 KB |
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Correct |
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1 ms |
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Correct |
0 ms |
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1 ms |
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20 |
Correct |
1 ms |
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0 ms |
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22 |
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0 ms |
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Correct |
0 ms |
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25 |
Correct |
1 ms |
256 KB |
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Correct |
0 ms |
256 KB |
Output is correct |
27 |
Correct |
0 ms |
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Correct |
0 ms |
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1 ms |
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0 ms |
256 KB |
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0 ms |
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32 |
Correct |
0 ms |
256 KB |
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33 |
Correct |
0 ms |
256 KB |
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34 |
Correct |
1 ms |
256 KB |
Output is correct |
35 |
Correct |
0 ms |
256 KB |
Output is correct |
36 |
Correct |
0 ms |
256 KB |
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37 |
Correct |
0 ms |
256 KB |
Output is correct |
38 |
Correct |
1 ms |
256 KB |
Output is correct |
39 |
Correct |
1 ms |
256 KB |
Output is correct |
40 |
Correct |
0 ms |
256 KB |
Output is correct |
41 |
Correct |
0 ms |
256 KB |
Output is correct |
42 |
Correct |
1 ms |
256 KB |
Output is correct |
43 |
Correct |
0 ms |
256 KB |
Output is correct |
44 |
Correct |
0 ms |
256 KB |
Output is correct |
45 |
Correct |
1 ms |
256 KB |
Output is correct |
46 |
Correct |
0 ms |
256 KB |
Output is correct |
47 |
Correct |
0 ms |
256 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
0 ms |
256 KB |
Output is correct |
50 |
Correct |
1 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
384 KB |
Output is correct |
52 |
Correct |
2 ms |
512 KB |
Output is correct |
53 |
Correct |
2 ms |
416 KB |
Output is correct |
54 |
Correct |
16 ms |
1920 KB |
Output is correct |
55 |
Correct |
15 ms |
1920 KB |
Output is correct |
56 |
Correct |
187 ms |
15992 KB |
Output is correct |
57 |
Correct |
184 ms |
15992 KB |
Output is correct |
58 |
Correct |
192 ms |
16120 KB |
Output is correct |
59 |
Correct |
169 ms |
15992 KB |
Output is correct |
60 |
Correct |
206 ms |
15992 KB |
Output is correct |
61 |
Correct |
181 ms |
15992 KB |
Output is correct |
62 |
Correct |
172 ms |
15992 KB |
Output is correct |
63 |
Correct |
174 ms |
16020 KB |
Output is correct |
64 |
Correct |
173 ms |
16120 KB |
Output is correct |
65 |
Correct |
193 ms |
15992 KB |
Output is correct |
66 |
Correct |
173 ms |
15912 KB |
Output is correct |
67 |
Correct |
171 ms |
15996 KB |
Output is correct |
68 |
Correct |
170 ms |
15992 KB |
Output is correct |
69 |
Correct |
1 ms |
384 KB |
Output is correct |
70 |
Correct |
0 ms |
256 KB |
Output is correct |
71 |
Correct |
170 ms |
15992 KB |
Output is correct |
72 |
Correct |
179 ms |
15992 KB |
Output is correct |
73 |
Correct |
174 ms |
15992 KB |
Output is correct |
74 |
Correct |
0 ms |
256 KB |
Output is correct |
75 |
Correct |
0 ms |
256 KB |
Output is correct |
76 |
Correct |
1 ms |
256 KB |
Output is correct |
77 |
Correct |
0 ms |
256 KB |
Output is correct |
78 |
Correct |
760 ms |
25336 KB |
Output is correct |
79 |
Correct |
560 ms |
16760 KB |
Output is correct |
80 |
Correct |
764 ms |
25536 KB |
Output is correct |
81 |
Correct |
160 ms |
15992 KB |
Output is correct |
82 |
Correct |
754 ms |
25304 KB |
Output is correct |
83 |
Correct |
702 ms |
20652 KB |
Output is correct |
84 |
Correct |
0 ms |
256 KB |
Output is correct |
85 |
Correct |
0 ms |
384 KB |
Output is correct |
86 |
Correct |
1 ms |
384 KB |
Output is correct |
87 |
Correct |
1 ms |
384 KB |
Output is correct |
88 |
Correct |
3 ms |
512 KB |
Output is correct |
89 |
Correct |
3 ms |
512 KB |
Output is correct |
90 |
Correct |
3 ms |
512 KB |
Output is correct |
91 |
Correct |
3 ms |
512 KB |
Output is correct |
92 |
Correct |
3 ms |
512 KB |
Output is correct |
93 |
Correct |
3 ms |
512 KB |
Output is correct |
94 |
Correct |
3 ms |
512 KB |
Output is correct |
95 |
Correct |
2 ms |
512 KB |
Output is correct |
96 |
Correct |
2 ms |
512 KB |
Output is correct |
97 |
Correct |
2 ms |
512 KB |
Output is correct |
98 |
Correct |
2 ms |
512 KB |
Output is correct |
99 |
Correct |
3 ms |
512 KB |
Output is correct |
100 |
Correct |
3 ms |
512 KB |
Output is correct |
101 |
Correct |
35 ms |
2680 KB |
Output is correct |
102 |
Correct |
29 ms |
2048 KB |
Output is correct |
103 |
Correct |
928 ms |
25464 KB |
Output is correct |
104 |
Correct |
685 ms |
26744 KB |
Output is correct |
105 |
Correct |
741 ms |
22520 KB |
Output is correct |
106 |
Correct |
748 ms |
26616 KB |
Output is correct |
107 |
Correct |
518 ms |
18296 KB |
Output is correct |
108 |
Correct |
540 ms |
19448 KB |
Output is correct |
109 |
Correct |
139 ms |
17272 KB |
Output is correct |
110 |
Correct |
175 ms |
17276 KB |
Output is correct |
111 |
Correct |
748 ms |
25740 KB |
Output is correct |
112 |
Correct |
883 ms |
24568 KB |
Output is correct |
113 |
Correct |
608 ms |
18552 KB |
Output is correct |
114 |
Correct |
768 ms |
26872 KB |
Output is correct |
115 |
Correct |
762 ms |
26616 KB |
Output is correct |