#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
#define ll long long
#define endl '\n'
const int N = 2e5 + 5;
vector<ll> node[100005];
ll a[200005], in[200005];
ll count_swaps(vector<int> s){
ll ans = 0;
int n = s.size();
for (int i = 0; i < n; i++){
bool flag = false;
for (int j = 0; j < i; j++){
if (((s[j] + s[i]) == 0) && in[j] == 0){
flag = true;
if (s[i] < 0) {
ans = ans + i - j;
for (int k = i - 1; k >= j; k--){
swap(s[k], s[k + 1]);
swap(in[k], in[k + 1]);
}
in[j + 1] = 1;
in[j] = 1;
break;
} else {
ans = ans + i - j - 1;
for (int k = i - 1; k > j; k--){
swap(s[k], s[k + 1]);
swap(in[k], in[k + 1]);
}
in[j + 1] = 1;
in[j] = 1;
break;
}
}
}
}
return ans;
}
/*
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
if (fopen("VietCT.INP", "r")){
freopen("VietCT.INP", "r", stdin);
freopen("VietCT.OUT", "w", stdout);
}
ll n;
cin >> n;
vector<int> mem;
for (int i = 1; i <= (2 * n); i++){
ll u;
cin >> u;
mem.push_back(u);
}
cout << count_swaps(mem);
}
*/
/*
2
-2 -2 2 2
*/
Compilation message
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:16:22: warning: variable 'flag' set but not used [-Wunused-but-set-variable]
16 | bool flag = false;
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2688 KB |
Output is correct |
2 |
Correct |
2 ms |
2688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2688 KB |
Output is correct |
2 |
Correct |
2 ms |
2688 KB |
Output is correct |
3 |
Correct |
2 ms |
2688 KB |
Output is correct |
4 |
Correct |
2 ms |
2688 KB |
Output is correct |
5 |
Correct |
2 ms |
2688 KB |
Output is correct |
6 |
Correct |
2 ms |
2688 KB |
Output is correct |
7 |
Correct |
2 ms |
2688 KB |
Output is correct |
8 |
Correct |
2 ms |
2688 KB |
Output is correct |
9 |
Correct |
2 ms |
2720 KB |
Output is correct |
10 |
Correct |
2 ms |
2688 KB |
Output is correct |
11 |
Correct |
2 ms |
2688 KB |
Output is correct |
12 |
Correct |
2 ms |
2688 KB |
Output is correct |
13 |
Correct |
2 ms |
2688 KB |
Output is correct |
14 |
Correct |
2 ms |
2688 KB |
Output is correct |
15 |
Correct |
2 ms |
2688 KB |
Output is correct |
16 |
Correct |
2 ms |
2688 KB |
Output is correct |
17 |
Correct |
2 ms |
2688 KB |
Output is correct |
18 |
Correct |
2 ms |
2688 KB |
Output is correct |
19 |
Correct |
2 ms |
2688 KB |
Output is correct |
20 |
Correct |
2 ms |
2688 KB |
Output is correct |
21 |
Correct |
2 ms |
2688 KB |
Output is correct |
22 |
Correct |
2 ms |
2724 KB |
Output is correct |
23 |
Correct |
2 ms |
2688 KB |
Output is correct |
24 |
Correct |
2 ms |
2688 KB |
Output is correct |
25 |
Correct |
2 ms |
2688 KB |
Output is correct |
26 |
Correct |
2 ms |
2688 KB |
Output is correct |
27 |
Correct |
2 ms |
2688 KB |
Output is correct |
28 |
Correct |
2 ms |
2688 KB |
Output is correct |
29 |
Correct |
2 ms |
2688 KB |
Output is correct |
30 |
Correct |
2 ms |
2688 KB |
Output is correct |
31 |
Correct |
2 ms |
2688 KB |
Output is correct |
32 |
Correct |
2 ms |
2688 KB |
Output is correct |
33 |
Correct |
2 ms |
2688 KB |
Output is correct |
34 |
Correct |
2 ms |
2632 KB |
Output is correct |
35 |
Correct |
2 ms |
2688 KB |
Output is correct |
36 |
Correct |
2 ms |
2688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2688 KB |
Output is correct |
2 |
Correct |
2 ms |
2688 KB |
Output is correct |
3 |
Correct |
2 ms |
2688 KB |
Output is correct |
4 |
Correct |
2 ms |
2688 KB |
Output is correct |
5 |
Correct |
2 ms |
2688 KB |
Output is correct |
6 |
Correct |
2 ms |
2688 KB |
Output is correct |
7 |
Correct |
2 ms |
2688 KB |
Output is correct |
8 |
Correct |
2 ms |
2688 KB |
Output is correct |
9 |
Correct |
2 ms |
2688 KB |
Output is correct |
10 |
Correct |
2 ms |
2688 KB |
Output is correct |
11 |
Correct |
2 ms |
2688 KB |
Output is correct |
12 |
Correct |
2 ms |
2688 KB |
Output is correct |
13 |
Correct |
2 ms |
2688 KB |
Output is correct |
14 |
Correct |
2 ms |
2688 KB |
Output is correct |
15 |
Correct |
2 ms |
2688 KB |
Output is correct |
16 |
Correct |
2 ms |
2688 KB |
Output is correct |
17 |
Correct |
2 ms |
2688 KB |
Output is correct |
18 |
Correct |
5 ms |
2688 KB |
Output is correct |
19 |
Correct |
5 ms |
2688 KB |
Output is correct |
20 |
Correct |
240 ms |
3064 KB |
Output is correct |
21 |
Correct |
238 ms |
3208 KB |
Output is correct |
22 |
Execution timed out |
1045 ms |
6008 KB |
Time limit exceeded |
23 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2688 KB |
Output is correct |
2 |
Correct |
2 ms |
2688 KB |
Output is correct |
3 |
Correct |
2 ms |
2688 KB |
Output is correct |
4 |
Correct |
2 ms |
2688 KB |
Output is correct |
5 |
Execution timed out |
1081 ms |
5496 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2688 KB |
Output is correct |
2 |
Correct |
2 ms |
2688 KB |
Output is correct |
3 |
Correct |
2 ms |
2688 KB |
Output is correct |
4 |
Correct |
2 ms |
2688 KB |
Output is correct |
5 |
Correct |
2 ms |
2688 KB |
Output is correct |
6 |
Correct |
2 ms |
2688 KB |
Output is correct |
7 |
Correct |
2 ms |
2688 KB |
Output is correct |
8 |
Correct |
2 ms |
2688 KB |
Output is correct |
9 |
Correct |
2 ms |
2720 KB |
Output is correct |
10 |
Correct |
2 ms |
2688 KB |
Output is correct |
11 |
Correct |
2 ms |
2688 KB |
Output is correct |
12 |
Correct |
2 ms |
2688 KB |
Output is correct |
13 |
Correct |
2 ms |
2688 KB |
Output is correct |
14 |
Correct |
2 ms |
2688 KB |
Output is correct |
15 |
Correct |
2 ms |
2688 KB |
Output is correct |
16 |
Correct |
2 ms |
2688 KB |
Output is correct |
17 |
Correct |
2 ms |
2688 KB |
Output is correct |
18 |
Correct |
2 ms |
2688 KB |
Output is correct |
19 |
Correct |
2 ms |
2688 KB |
Output is correct |
20 |
Correct |
2 ms |
2688 KB |
Output is correct |
21 |
Correct |
2 ms |
2688 KB |
Output is correct |
22 |
Correct |
2 ms |
2724 KB |
Output is correct |
23 |
Correct |
2 ms |
2688 KB |
Output is correct |
24 |
Correct |
2 ms |
2688 KB |
Output is correct |
25 |
Correct |
2 ms |
2688 KB |
Output is correct |
26 |
Correct |
2 ms |
2688 KB |
Output is correct |
27 |
Correct |
2 ms |
2688 KB |
Output is correct |
28 |
Correct |
2 ms |
2688 KB |
Output is correct |
29 |
Correct |
2 ms |
2688 KB |
Output is correct |
30 |
Correct |
2 ms |
2688 KB |
Output is correct |
31 |
Correct |
2 ms |
2688 KB |
Output is correct |
32 |
Correct |
2 ms |
2688 KB |
Output is correct |
33 |
Correct |
2 ms |
2688 KB |
Output is correct |
34 |
Correct |
2 ms |
2632 KB |
Output is correct |
35 |
Correct |
2 ms |
2688 KB |
Output is correct |
36 |
Correct |
2 ms |
2688 KB |
Output is correct |
37 |
Correct |
2 ms |
2688 KB |
Output is correct |
38 |
Correct |
2 ms |
2688 KB |
Output is correct |
39 |
Correct |
2 ms |
2688 KB |
Output is correct |
40 |
Correct |
2 ms |
2688 KB |
Output is correct |
41 |
Correct |
5 ms |
2688 KB |
Output is correct |
42 |
Correct |
4 ms |
2688 KB |
Output is correct |
43 |
Correct |
4 ms |
2688 KB |
Output is correct |
44 |
Correct |
6 ms |
2688 KB |
Output is correct |
45 |
Correct |
4 ms |
2688 KB |
Output is correct |
46 |
Correct |
4 ms |
2688 KB |
Output is correct |
47 |
Correct |
6 ms |
2688 KB |
Output is correct |
48 |
Correct |
5 ms |
2688 KB |
Output is correct |
49 |
Correct |
5 ms |
2688 KB |
Output is correct |
50 |
Correct |
8 ms |
2688 KB |
Output is correct |
51 |
Correct |
5 ms |
2688 KB |
Output is correct |
52 |
Correct |
6 ms |
2688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2688 KB |
Output is correct |
2 |
Correct |
2 ms |
2688 KB |
Output is correct |
3 |
Correct |
2 ms |
2688 KB |
Output is correct |
4 |
Correct |
2 ms |
2688 KB |
Output is correct |
5 |
Correct |
2 ms |
2688 KB |
Output is correct |
6 |
Correct |
2 ms |
2688 KB |
Output is correct |
7 |
Correct |
2 ms |
2688 KB |
Output is correct |
8 |
Correct |
2 ms |
2688 KB |
Output is correct |
9 |
Correct |
2 ms |
2720 KB |
Output is correct |
10 |
Correct |
2 ms |
2688 KB |
Output is correct |
11 |
Correct |
2 ms |
2688 KB |
Output is correct |
12 |
Correct |
2 ms |
2688 KB |
Output is correct |
13 |
Correct |
2 ms |
2688 KB |
Output is correct |
14 |
Correct |
2 ms |
2688 KB |
Output is correct |
15 |
Correct |
2 ms |
2688 KB |
Output is correct |
16 |
Correct |
2 ms |
2688 KB |
Output is correct |
17 |
Correct |
2 ms |
2688 KB |
Output is correct |
18 |
Correct |
2 ms |
2688 KB |
Output is correct |
19 |
Correct |
2 ms |
2688 KB |
Output is correct |
20 |
Correct |
2 ms |
2688 KB |
Output is correct |
21 |
Correct |
2 ms |
2688 KB |
Output is correct |
22 |
Correct |
2 ms |
2724 KB |
Output is correct |
23 |
Correct |
2 ms |
2688 KB |
Output is correct |
24 |
Correct |
2 ms |
2688 KB |
Output is correct |
25 |
Correct |
2 ms |
2688 KB |
Output is correct |
26 |
Correct |
2 ms |
2688 KB |
Output is correct |
27 |
Correct |
2 ms |
2688 KB |
Output is correct |
28 |
Correct |
2 ms |
2688 KB |
Output is correct |
29 |
Correct |
2 ms |
2688 KB |
Output is correct |
30 |
Correct |
2 ms |
2688 KB |
Output is correct |
31 |
Correct |
2 ms |
2688 KB |
Output is correct |
32 |
Correct |
2 ms |
2688 KB |
Output is correct |
33 |
Correct |
2 ms |
2688 KB |
Output is correct |
34 |
Correct |
2 ms |
2632 KB |
Output is correct |
35 |
Correct |
2 ms |
2688 KB |
Output is correct |
36 |
Correct |
2 ms |
2688 KB |
Output is correct |
37 |
Correct |
2 ms |
2688 KB |
Output is correct |
38 |
Correct |
2 ms |
2688 KB |
Output is correct |
39 |
Correct |
2 ms |
2688 KB |
Output is correct |
40 |
Correct |
2 ms |
2688 KB |
Output is correct |
41 |
Correct |
2 ms |
2688 KB |
Output is correct |
42 |
Correct |
2 ms |
2688 KB |
Output is correct |
43 |
Correct |
2 ms |
2688 KB |
Output is correct |
44 |
Correct |
2 ms |
2688 KB |
Output is correct |
45 |
Correct |
2 ms |
2688 KB |
Output is correct |
46 |
Correct |
2 ms |
2688 KB |
Output is correct |
47 |
Correct |
2 ms |
2688 KB |
Output is correct |
48 |
Correct |
2 ms |
2688 KB |
Output is correct |
49 |
Correct |
2 ms |
2688 KB |
Output is correct |
50 |
Correct |
2 ms |
2688 KB |
Output is correct |
51 |
Correct |
2 ms |
2688 KB |
Output is correct |
52 |
Correct |
5 ms |
2688 KB |
Output is correct |
53 |
Correct |
5 ms |
2688 KB |
Output is correct |
54 |
Correct |
240 ms |
3064 KB |
Output is correct |
55 |
Correct |
238 ms |
3208 KB |
Output is correct |
56 |
Execution timed out |
1045 ms |
6008 KB |
Time limit exceeded |
57 |
Halted |
0 ms |
0 KB |
- |