/*
Uruchamiamy samolot zwiadowczy ( + 500% do wzlamaniej )
/▄/ /█/ /◐/ /▐/ /▌/ /▀/ /░/ / / choose your own style!
***IT'S OUR LONG WAY TO THE OIILLLL***
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░████████░░░░░░░░░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████░░░░░░░░░░░░░░░░░▌░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░◐◐◐█████████▀▀▀▀▀▀ ░░░░░░░░███░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████░░░░░░░░░░░░░░░░░░░░▌░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████░░░░░░░░░░░░░░░░░░░░█▌░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▄▄▀██████████████████████████████████████████████████
░░░░░░░░░░░░░░░░░░░░░░░░░░▄▄▄████▄████████ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ █████
░░░░░░░░░░░░░░░░░░░░░░░░░░░▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█████████▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████░░░░░░░░░░░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░◐◐◐█████████▀▀▀▀▀▀ ░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████░░░░░░░░░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████░░░░░░░░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░████████░░░░░░░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███████░░░░░░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░██████░░░░░░░░░░░░░░░░
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████░░░░░░░░░░░░░░░
*/
//#pragma GCC target("avx2")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
#include <bits/stdc++.h>
using namespace std ;
#include <ext/pb_ds/detail/standard_policies.hpp>
//#include <boost/multiprecision/cpp_int.hpp>
//using namespace boost::multiprecision;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;template <typename T> using ordered_set = tree <T, null_type, less< T >, rb_tree_tag,tree_order_statistics_node_update>;
namespace fastio {template <class T> ostream &operator<<(ostream &os, const vector<T> &container) {for (auto &u : container)os << u << " ";return os;} template<class T1, class T2> ostream& operator << (ostream& os, const pair<T1, T2>& p) {return os << p.first << " " << p.second;}template <class T> ostream &operator<<(ostream &os, set<T> const& con) { for (auto &u : con) os << u << " ";return os;} void pr() {} template <typename T, typename... args> void pr(T x, args... tail) {cout << x << " ";pr(tail...);}} using namespace fastio;
#define pb push_back
#define ll long long
#define ld long double
#define fi first
#define se second
#define F first
#define S second
#define pii pair < int , int >
#define __ <<" "<<
#define TIME 1.0 * clock() / CLOCKS_PER_SEC
mt19937_64 gen(chrono::high_resolution_clock::now().time_since_epoch().count());
const int N = 2e5 + 5;
int cnt[N];
int t[N];
void add(int pos, int val){
for (int i = pos; i < N; i += (i & (-i)))
t[i] += val;
}
int get(int pos){
int ans = 0;
for (int i = pos; i > 0; i -= (i & (-i)))
ans += t[i];
return ans;
}
ll count_swaps(vector < int > a){
int n = a.size();
queue < int > pos[n + 1], neg[n + 1];
ll ans = 0;
vector < int > b = a;
a = {};
a.pb(0);
for (int i : b) a.pb(i);
for (int i = 1; i <= n; ++i){
if (a[i] > 0){
if (neg[a[i]].size()){
int last = neg[a[i]].front();
ans += i + get(i) - last - get(last) - 1;
add(last, 1);
add(i, -1);
neg[a[i]].pop();
} else
pos[a[i]].push(i);
} else {
a[i] = -a[i];
if (pos[a[i]].size()){
int last = pos[a[i]].front();
ans += i + get(i) - last - get(last);
add(last, 1);
add(i, -1);
pos[a[i]].pop();
} else
neg[a[i]].push(i);
}
}
return ans;
}
#ifdef Estb_probitie
main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
int n;
cin >> n;
vector < int > v;
n *= 2;
for (int i = 0; i < n; ++i){
int x;
cin >> x;
v.pb(x);
}
cout << count_swaps(v);
}
#endif // Estb_probitie
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
0 ms |
384 KB |
Output is correct |
33 |
Correct |
0 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
512 KB |
Output is correct |
16 |
Correct |
1 ms |
640 KB |
Output is correct |
17 |
Correct |
1 ms |
1152 KB |
Output is correct |
18 |
Correct |
3 ms |
3072 KB |
Output is correct |
19 |
Correct |
3 ms |
3072 KB |
Output is correct |
20 |
Correct |
25 ms |
27776 KB |
Output is correct |
21 |
Correct |
26 ms |
27776 KB |
Output is correct |
22 |
Correct |
245 ms |
272888 KB |
Output is correct |
23 |
Correct |
250 ms |
274040 KB |
Output is correct |
24 |
Correct |
249 ms |
274168 KB |
Output is correct |
25 |
Correct |
248 ms |
274280 KB |
Output is correct |
26 |
Correct |
247 ms |
274040 KB |
Output is correct |
27 |
Correct |
243 ms |
273912 KB |
Output is correct |
28 |
Correct |
248 ms |
274408 KB |
Output is correct |
29 |
Correct |
244 ms |
274408 KB |
Output is correct |
30 |
Correct |
246 ms |
274408 KB |
Output is correct |
31 |
Correct |
279 ms |
274040 KB |
Output is correct |
32 |
Correct |
244 ms |
274408 KB |
Output is correct |
33 |
Correct |
250 ms |
274408 KB |
Output is correct |
34 |
Correct |
246 ms |
274408 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
245 ms |
274536 KB |
Output is correct |
38 |
Correct |
251 ms |
274556 KB |
Output is correct |
39 |
Correct |
249 ms |
274408 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
296 ms |
273052 KB |
Output is correct |
6 |
Correct |
268 ms |
273992 KB |
Output is correct |
7 |
Correct |
284 ms |
274040 KB |
Output is correct |
8 |
Correct |
251 ms |
274408 KB |
Output is correct |
9 |
Correct |
287 ms |
274168 KB |
Output is correct |
10 |
Correct |
287 ms |
274060 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
0 ms |
384 KB |
Output is correct |
33 |
Correct |
0 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
0 ms |
384 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
39 |
Correct |
1 ms |
640 KB |
Output is correct |
40 |
Correct |
1 ms |
1152 KB |
Output is correct |
41 |
Correct |
4 ms |
3072 KB |
Output is correct |
42 |
Correct |
3 ms |
3072 KB |
Output is correct |
43 |
Correct |
3 ms |
3072 KB |
Output is correct |
44 |
Correct |
3 ms |
3072 KB |
Output is correct |
45 |
Correct |
3 ms |
3072 KB |
Output is correct |
46 |
Correct |
3 ms |
3072 KB |
Output is correct |
47 |
Correct |
3 ms |
3072 KB |
Output is correct |
48 |
Correct |
3 ms |
3072 KB |
Output is correct |
49 |
Correct |
3 ms |
3072 KB |
Output is correct |
50 |
Correct |
3 ms |
3072 KB |
Output is correct |
51 |
Correct |
3 ms |
3072 KB |
Output is correct |
52 |
Correct |
3 ms |
3072 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
0 ms |
384 KB |
Output is correct |
33 |
Correct |
0 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
0 ms |
384 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
0 ms |
384 KB |
Output is correct |
40 |
Correct |
0 ms |
384 KB |
Output is correct |
41 |
Correct |
0 ms |
384 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
0 ms |
384 KB |
Output is correct |
44 |
Correct |
0 ms |
384 KB |
Output is correct |
45 |
Correct |
0 ms |
384 KB |
Output is correct |
46 |
Correct |
0 ms |
384 KB |
Output is correct |
47 |
Correct |
0 ms |
384 KB |
Output is correct |
48 |
Correct |
0 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
512 KB |
Output is correct |
50 |
Correct |
1 ms |
640 KB |
Output is correct |
51 |
Correct |
1 ms |
1152 KB |
Output is correct |
52 |
Correct |
3 ms |
3072 KB |
Output is correct |
53 |
Correct |
3 ms |
3072 KB |
Output is correct |
54 |
Correct |
25 ms |
27776 KB |
Output is correct |
55 |
Correct |
26 ms |
27776 KB |
Output is correct |
56 |
Correct |
245 ms |
272888 KB |
Output is correct |
57 |
Correct |
250 ms |
274040 KB |
Output is correct |
58 |
Correct |
249 ms |
274168 KB |
Output is correct |
59 |
Correct |
248 ms |
274280 KB |
Output is correct |
60 |
Correct |
247 ms |
274040 KB |
Output is correct |
61 |
Correct |
243 ms |
273912 KB |
Output is correct |
62 |
Correct |
248 ms |
274408 KB |
Output is correct |
63 |
Correct |
244 ms |
274408 KB |
Output is correct |
64 |
Correct |
246 ms |
274408 KB |
Output is correct |
65 |
Correct |
279 ms |
274040 KB |
Output is correct |
66 |
Correct |
244 ms |
274408 KB |
Output is correct |
67 |
Correct |
250 ms |
274408 KB |
Output is correct |
68 |
Correct |
246 ms |
274408 KB |
Output is correct |
69 |
Correct |
1 ms |
384 KB |
Output is correct |
70 |
Correct |
0 ms |
384 KB |
Output is correct |
71 |
Correct |
245 ms |
274536 KB |
Output is correct |
72 |
Correct |
251 ms |
274556 KB |
Output is correct |
73 |
Correct |
249 ms |
274408 KB |
Output is correct |
74 |
Correct |
0 ms |
384 KB |
Output is correct |
75 |
Correct |
1 ms |
384 KB |
Output is correct |
76 |
Correct |
1 ms |
384 KB |
Output is correct |
77 |
Correct |
0 ms |
384 KB |
Output is correct |
78 |
Correct |
296 ms |
273052 KB |
Output is correct |
79 |
Correct |
268 ms |
273992 KB |
Output is correct |
80 |
Correct |
284 ms |
274040 KB |
Output is correct |
81 |
Correct |
251 ms |
274408 KB |
Output is correct |
82 |
Correct |
287 ms |
274168 KB |
Output is correct |
83 |
Correct |
287 ms |
274060 KB |
Output is correct |
84 |
Correct |
0 ms |
384 KB |
Output is correct |
85 |
Correct |
1 ms |
512 KB |
Output is correct |
86 |
Correct |
1 ms |
640 KB |
Output is correct |
87 |
Correct |
1 ms |
1152 KB |
Output is correct |
88 |
Correct |
4 ms |
3072 KB |
Output is correct |
89 |
Correct |
3 ms |
3072 KB |
Output is correct |
90 |
Correct |
3 ms |
3072 KB |
Output is correct |
91 |
Correct |
3 ms |
3072 KB |
Output is correct |
92 |
Correct |
3 ms |
3072 KB |
Output is correct |
93 |
Correct |
3 ms |
3072 KB |
Output is correct |
94 |
Correct |
3 ms |
3072 KB |
Output is correct |
95 |
Correct |
3 ms |
3072 KB |
Output is correct |
96 |
Correct |
3 ms |
3072 KB |
Output is correct |
97 |
Correct |
3 ms |
3072 KB |
Output is correct |
98 |
Correct |
3 ms |
3072 KB |
Output is correct |
99 |
Correct |
3 ms |
3072 KB |
Output is correct |
100 |
Correct |
3 ms |
3072 KB |
Output is correct |
101 |
Correct |
27 ms |
27808 KB |
Output is correct |
102 |
Correct |
31 ms |
27904 KB |
Output is correct |
103 |
Correct |
296 ms |
274040 KB |
Output is correct |
104 |
Correct |
280 ms |
274040 KB |
Output is correct |
105 |
Correct |
280 ms |
274168 KB |
Output is correct |
106 |
Correct |
288 ms |
274040 KB |
Output is correct |
107 |
Correct |
267 ms |
274168 KB |
Output is correct |
108 |
Correct |
268 ms |
274040 KB |
Output is correct |
109 |
Correct |
254 ms |
274408 KB |
Output is correct |
110 |
Correct |
250 ms |
274536 KB |
Output is correct |
111 |
Correct |
296 ms |
274044 KB |
Output is correct |
112 |
Correct |
293 ms |
274168 KB |
Output is correct |
113 |
Correct |
274 ms |
274040 KB |
Output is correct |
114 |
Correct |
314 ms |
274040 KB |
Output is correct |
115 |
Correct |
300 ms |
273976 KB |
Output is correct |