//나는 가상 소녀들에게 큰 호감이 있습니다.
#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <cstring>
#include <string>
#include <cstdlib>
#include <vector>
#include <bitset>
#include <map>
#include <chrono>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <numeric>
#include <queue>
#include <ctime>
#include <stack>
#include <set>
#include <list>
#include <deque>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <stdarg.h>
#include <utility>
using namespace std;
#define pb push_back
#define mp make_pair
#define ll long long
#define ull unisgned long long
#define ld long double
#define all(a) a.begin(), a.end()
#define SORT(a) sort(all(a))
#define pii pair<int, int>
#define tii triple<int, int, int>
#define e 1e-7
#define PI acos(-1)
#define sz(a) (int)(a.size())
#define inf 1e17
#define vi vector<int>
#define F first
#define S second
#define rng(x) for(int _ = 0; _ < (x); _++)
#define rngi(i, x) for(int i = 0; i < (x); i++)
#define rngsi(s, i, x) for(int i = (s); i <(x); i++)
#define problem "a"
template<typename A, typename B, typename C>
struct triple {
A X;
B Y;
C Z;
triple(A a = 0, B b = 0, C c = 0) :X(a), Y(b), Z(c) {}
};
template<typename A, typename B, typename C>
triple<A, B, C> make_triple(A a = 0, B b = 0, C c = 0) {
return triple<A, B, C>(a, b, c);
}
template<typename A, typename B, typename C>
bool operator<(const triple<A, B, C>& a, const triple<A, B, C>& b) {
if (a.X != b.X)
return a.X < b.X;
if (a.Y != b.Y)
return a.Y < b.Y;
return a.Z < b.Z;
}
template<typename T, typename SS>
ostream& operator<<(ostream& ofs, const pair<T, SS>& p) {
ofs << "( " << p.F << " , " << p.S << " )";
return ofs;
}
template<typename T>
void print(T a) {
for (auto i : a)
cout << i << ' ';
cout << '\n';
}
template<typename T>
T max(T a, T b, T c) {
return max(a, max(b, c));
}
template<typename T>
T min(T a, T b, T c) {
return min(a, min(b, c));
}
template<typename T, typename D>
D min(T a) {
return *min_element(all(a));
}
template<typename T, typename D>
D max(T a) {
return *max_element(all(a));
}
struct custom_hash {
static uint64_t splitmix64(uint64_t x) {
x += 0x9e3779b97f4a7c15;
x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
return x ^ (x >> 31);
}
size_t operator()(uint64_t x) const {
static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
return splitmix64(x + FIXED_RANDOM);
}
};
#include "shoes.h"
struct fw {
vi tree;
int n;
fw(int m) { n = m; tree.resize(n); }
void add(int v, int x) {
for (int r = v; r < n; r = r|(r + 1))tree[r] += x;
};
int get(int l) {
int r = 0; for (int v = l; v >= 0; v = (v & (v + 1)) - 1)r += tree[v]; return r;
}
int sum(int l, int r) {
if (l > r)return 0;
return get(r) - get(l - 1);
}
};
long long count_swaps(std::vector<int> s) {
int n = sz(s) / 2;
vector<deque<int> > pl(n+1), pr(n+1);
rngi(i, 2 * n) if (s[i] < 0) pl[-s[i]].push_back(i); else pr[s[i]].push_back(i);
vi used(2 * n);
ll ans = 0;
fw t(2*n);
int z = 0;
for(int i = 2 * n - 1; i >=0; i--)if(!used[i]){
int x = s[i];
if (x < 0) {
int v = pr[-x].back();
pr[-x].pop_back();
pl[-x].pop_back();
used[v] = 1;
t.add(v, 1);
ans += i - v - t.sum(v+1,i-1);
}
else {
int v = pl[x].back();
used[v] = 1;
pl[x].pop_back();
pr[x].pop_back();
t.add(v, 1);
ans += i - v - 1 - t.sum(v+1,i-1);
}
}
return ans;
}
Compilation message
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:135:9: warning: unused variable 'z' [-Wunused-variable]
135 | int z = 0;
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
492 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
620 KB |
Output is correct |
17 |
Correct |
1 ms |
748 KB |
Output is correct |
18 |
Correct |
2 ms |
1644 KB |
Output is correct |
19 |
Correct |
2 ms |
1644 KB |
Output is correct |
20 |
Correct |
14 ms |
14316 KB |
Output is correct |
21 |
Correct |
17 ms |
14316 KB |
Output is correct |
22 |
Correct |
123 ms |
140268 KB |
Output is correct |
23 |
Correct |
122 ms |
140268 KB |
Output is correct |
24 |
Correct |
125 ms |
140268 KB |
Output is correct |
25 |
Correct |
130 ms |
140140 KB |
Output is correct |
26 |
Correct |
124 ms |
140268 KB |
Output is correct |
27 |
Correct |
119 ms |
140140 KB |
Output is correct |
28 |
Correct |
125 ms |
140268 KB |
Output is correct |
29 |
Correct |
127 ms |
140268 KB |
Output is correct |
30 |
Correct |
120 ms |
140268 KB |
Output is correct |
31 |
Correct |
126 ms |
140396 KB |
Output is correct |
32 |
Correct |
119 ms |
140268 KB |
Output is correct |
33 |
Correct |
120 ms |
140012 KB |
Output is correct |
34 |
Correct |
123 ms |
140268 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
37 |
Correct |
120 ms |
140140 KB |
Output is correct |
38 |
Correct |
120 ms |
140268 KB |
Output is correct |
39 |
Correct |
121 ms |
140268 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
0 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
168 ms |
139372 KB |
Output is correct |
6 |
Correct |
140 ms |
139372 KB |
Output is correct |
7 |
Correct |
161 ms |
139372 KB |
Output is correct |
8 |
Correct |
121 ms |
140268 KB |
Output is correct |
9 |
Correct |
163 ms |
139296 KB |
Output is correct |
10 |
Correct |
159 ms |
139628 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
492 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
364 KB |
Output is correct |
39 |
Correct |
1 ms |
492 KB |
Output is correct |
40 |
Correct |
1 ms |
748 KB |
Output is correct |
41 |
Correct |
2 ms |
1644 KB |
Output is correct |
42 |
Correct |
2 ms |
1644 KB |
Output is correct |
43 |
Correct |
2 ms |
1644 KB |
Output is correct |
44 |
Correct |
2 ms |
1644 KB |
Output is correct |
45 |
Correct |
2 ms |
1644 KB |
Output is correct |
46 |
Correct |
2 ms |
1644 KB |
Output is correct |
47 |
Correct |
2 ms |
1644 KB |
Output is correct |
48 |
Correct |
2 ms |
1644 KB |
Output is correct |
49 |
Correct |
2 ms |
1644 KB |
Output is correct |
50 |
Correct |
2 ms |
1644 KB |
Output is correct |
51 |
Correct |
2 ms |
1644 KB |
Output is correct |
52 |
Correct |
2 ms |
1644 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
492 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
1 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
1 ms |
364 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
364 KB |
Output is correct |
39 |
Correct |
1 ms |
364 KB |
Output is correct |
40 |
Correct |
1 ms |
364 KB |
Output is correct |
41 |
Correct |
1 ms |
364 KB |
Output is correct |
42 |
Correct |
1 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
1 ms |
364 KB |
Output is correct |
45 |
Correct |
1 ms |
364 KB |
Output is correct |
46 |
Correct |
1 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
364 KB |
Output is correct |
48 |
Correct |
1 ms |
364 KB |
Output is correct |
49 |
Correct |
1 ms |
364 KB |
Output is correct |
50 |
Correct |
1 ms |
620 KB |
Output is correct |
51 |
Correct |
1 ms |
748 KB |
Output is correct |
52 |
Correct |
2 ms |
1644 KB |
Output is correct |
53 |
Correct |
2 ms |
1644 KB |
Output is correct |
54 |
Correct |
14 ms |
14316 KB |
Output is correct |
55 |
Correct |
17 ms |
14316 KB |
Output is correct |
56 |
Correct |
123 ms |
140268 KB |
Output is correct |
57 |
Correct |
122 ms |
140268 KB |
Output is correct |
58 |
Correct |
125 ms |
140268 KB |
Output is correct |
59 |
Correct |
130 ms |
140140 KB |
Output is correct |
60 |
Correct |
124 ms |
140268 KB |
Output is correct |
61 |
Correct |
119 ms |
140140 KB |
Output is correct |
62 |
Correct |
125 ms |
140268 KB |
Output is correct |
63 |
Correct |
127 ms |
140268 KB |
Output is correct |
64 |
Correct |
120 ms |
140268 KB |
Output is correct |
65 |
Correct |
126 ms |
140396 KB |
Output is correct |
66 |
Correct |
119 ms |
140268 KB |
Output is correct |
67 |
Correct |
120 ms |
140012 KB |
Output is correct |
68 |
Correct |
123 ms |
140268 KB |
Output is correct |
69 |
Correct |
1 ms |
364 KB |
Output is correct |
70 |
Correct |
1 ms |
364 KB |
Output is correct |
71 |
Correct |
120 ms |
140140 KB |
Output is correct |
72 |
Correct |
120 ms |
140268 KB |
Output is correct |
73 |
Correct |
121 ms |
140268 KB |
Output is correct |
74 |
Correct |
1 ms |
364 KB |
Output is correct |
75 |
Correct |
0 ms |
364 KB |
Output is correct |
76 |
Correct |
1 ms |
364 KB |
Output is correct |
77 |
Correct |
1 ms |
364 KB |
Output is correct |
78 |
Correct |
168 ms |
139372 KB |
Output is correct |
79 |
Correct |
140 ms |
139372 KB |
Output is correct |
80 |
Correct |
161 ms |
139372 KB |
Output is correct |
81 |
Correct |
121 ms |
140268 KB |
Output is correct |
82 |
Correct |
163 ms |
139296 KB |
Output is correct |
83 |
Correct |
159 ms |
139628 KB |
Output is correct |
84 |
Correct |
1 ms |
364 KB |
Output is correct |
85 |
Correct |
1 ms |
364 KB |
Output is correct |
86 |
Correct |
1 ms |
492 KB |
Output is correct |
87 |
Correct |
1 ms |
748 KB |
Output is correct |
88 |
Correct |
2 ms |
1644 KB |
Output is correct |
89 |
Correct |
2 ms |
1644 KB |
Output is correct |
90 |
Correct |
2 ms |
1644 KB |
Output is correct |
91 |
Correct |
2 ms |
1644 KB |
Output is correct |
92 |
Correct |
2 ms |
1644 KB |
Output is correct |
93 |
Correct |
2 ms |
1644 KB |
Output is correct |
94 |
Correct |
2 ms |
1644 KB |
Output is correct |
95 |
Correct |
2 ms |
1644 KB |
Output is correct |
96 |
Correct |
2 ms |
1644 KB |
Output is correct |
97 |
Correct |
2 ms |
1644 KB |
Output is correct |
98 |
Correct |
2 ms |
1644 KB |
Output is correct |
99 |
Correct |
2 ms |
1644 KB |
Output is correct |
100 |
Correct |
2 ms |
1644 KB |
Output is correct |
101 |
Correct |
14 ms |
14188 KB |
Output is correct |
102 |
Correct |
13 ms |
14188 KB |
Output is correct |
103 |
Correct |
175 ms |
139372 KB |
Output is correct |
104 |
Correct |
164 ms |
139372 KB |
Output is correct |
105 |
Correct |
168 ms |
139372 KB |
Output is correct |
106 |
Correct |
168 ms |
139372 KB |
Output is correct |
107 |
Correct |
146 ms |
139372 KB |
Output is correct |
108 |
Correct |
151 ms |
139372 KB |
Output is correct |
109 |
Correct |
120 ms |
140268 KB |
Output is correct |
110 |
Correct |
120 ms |
140268 KB |
Output is correct |
111 |
Correct |
161 ms |
139372 KB |
Output is correct |
112 |
Correct |
173 ms |
139372 KB |
Output is correct |
113 |
Correct |
145 ms |
139372 KB |
Output is correct |
114 |
Correct |
164 ms |
139372 KB |
Output is correct |
115 |
Correct |
161 ms |
139372 KB |
Output is correct |