#include <iostream>
#include <vector>
#include <algorithm>
int publish(std::vector<int> R);
void answer(std::vector<int> R);
template <class A, class B, class C>
void mergesort(A begin, A end, B scratch, C comp) {
size_t n = std::distance(begin, end);
if (n <= 1) {
return;
}
auto middle = begin + n/2;
mergesort(begin, middle, scratch, comp);
mergesort(middle, end, scratch, comp);
auto scratch_end = std::merge(begin, middle, middle, end, scratch, comp);
std::copy(scratch, scratch_end, begin);
}
void solve(int N) {
// Used for comparisons
std::vector<int> R;
std::vector<int> ans;
for (int i = 1; i <= N; i++) {
R.push_back(i);
ans.push_back(i);
}
auto comp = [&](int a, int b) {
// std::cerr << "Comparing " << a << " and " << b << '\n';
std::vector<int> local_r = R;
std::swap(local_r[0], local_r[a - 1]);
if (b == 1) {
std::swap(local_r[1], local_r[a - 1]);
} else {
std::swap(local_r[1], local_r[b - 1]);
}
int res1 = publish(local_r);
std::swap(local_r[0], local_r[1]);
int res2 = publish(std::move(local_r));
return res1 < res2;
};
std::vector<int> scratch(R.size());
mergesort(ans.begin(), ans.end(), scratch.begin(), comp);
answer(ans);
}
Compilation message
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
20 | if(v.size() != N) {
| ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
36 | if(v.size() != N) {
| ~~~~~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
5 ms |
208 KB |
Output is correct |
10 |
Correct |
7 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
5 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
4 ms |
248 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
5 ms |
208 KB |
Output is correct |
10 |
Correct |
7 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
5 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
4 ms |
248 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
5 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
4 ms |
208 KB |
Output is correct |
26 |
Correct |
64 ms |
208 KB |
Output is correct |
27 |
Correct |
66 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
108 ms |
208 KB |
Output is correct |
30 |
Correct |
110 ms |
208 KB |
Output is correct |
31 |
Correct |
114 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
4 ms |
228 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
5 ms |
208 KB |
Output is correct |
10 |
Correct |
7 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
5 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
4 ms |
248 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
5 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
4 ms |
208 KB |
Output is correct |
26 |
Correct |
64 ms |
208 KB |
Output is correct |
27 |
Correct |
66 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
108 ms |
208 KB |
Output is correct |
30 |
Correct |
110 ms |
208 KB |
Output is correct |
31 |
Correct |
114 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
4 ms |
228 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
40 |
Correct |
0 ms |
208 KB |
Output is correct |
41 |
Correct |
6 ms |
208 KB |
Output is correct |
42 |
Correct |
6 ms |
208 KB |
Output is correct |
43 |
Correct |
4 ms |
208 KB |
Output is correct |
44 |
Correct |
3 ms |
292 KB |
Output is correct |
45 |
Correct |
73 ms |
208 KB |
Output is correct |
46 |
Correct |
64 ms |
208 KB |
Output is correct |
47 |
Correct |
118 ms |
208 KB |
Output is correct |
48 |
Correct |
114 ms |
208 KB |
Output is correct |
49 |
Correct |
120 ms |
208 KB |
Output is correct |
50 |
Correct |
120 ms |
208 KB |
Output is correct |
51 |
Correct |
1 ms |
208 KB |
Output is correct |
52 |
Correct |
203 ms |
208 KB |
Output is correct |
53 |
Incorrect |
224 ms |
208 KB |
Not correct |
54 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
5 ms |
208 KB |
Output is correct |
10 |
Correct |
7 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
5 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
4 ms |
248 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
5 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
4 ms |
208 KB |
Output is correct |
26 |
Correct |
64 ms |
208 KB |
Output is correct |
27 |
Correct |
66 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
108 ms |
208 KB |
Output is correct |
30 |
Correct |
110 ms |
208 KB |
Output is correct |
31 |
Correct |
114 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
4 ms |
228 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
40 |
Correct |
0 ms |
208 KB |
Output is correct |
41 |
Correct |
6 ms |
208 KB |
Output is correct |
42 |
Correct |
6 ms |
208 KB |
Output is correct |
43 |
Correct |
4 ms |
208 KB |
Output is correct |
44 |
Correct |
3 ms |
292 KB |
Output is correct |
45 |
Correct |
73 ms |
208 KB |
Output is correct |
46 |
Correct |
64 ms |
208 KB |
Output is correct |
47 |
Correct |
118 ms |
208 KB |
Output is correct |
48 |
Correct |
114 ms |
208 KB |
Output is correct |
49 |
Correct |
120 ms |
208 KB |
Output is correct |
50 |
Correct |
120 ms |
208 KB |
Output is correct |
51 |
Correct |
1 ms |
208 KB |
Output is correct |
52 |
Correct |
203 ms |
208 KB |
Output is correct |
53 |
Incorrect |
224 ms |
208 KB |
Not correct |
54 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
5 ms |
208 KB |
Output is correct |
10 |
Correct |
7 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
5 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
4 ms |
248 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
5 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
4 ms |
208 KB |
Output is correct |
26 |
Correct |
64 ms |
208 KB |
Output is correct |
27 |
Correct |
66 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
108 ms |
208 KB |
Output is correct |
30 |
Correct |
110 ms |
208 KB |
Output is correct |
31 |
Correct |
114 ms |
208 KB |
Output is correct |
32 |
Correct |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
1 ms |
208 KB |
Output is correct |
38 |
Correct |
4 ms |
228 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
40 |
Correct |
0 ms |
208 KB |
Output is correct |
41 |
Correct |
6 ms |
208 KB |
Output is correct |
42 |
Correct |
6 ms |
208 KB |
Output is correct |
43 |
Correct |
4 ms |
208 KB |
Output is correct |
44 |
Correct |
3 ms |
292 KB |
Output is correct |
45 |
Correct |
73 ms |
208 KB |
Output is correct |
46 |
Correct |
64 ms |
208 KB |
Output is correct |
47 |
Correct |
118 ms |
208 KB |
Output is correct |
48 |
Correct |
114 ms |
208 KB |
Output is correct |
49 |
Correct |
120 ms |
208 KB |
Output is correct |
50 |
Correct |
120 ms |
208 KB |
Output is correct |
51 |
Correct |
1 ms |
208 KB |
Output is correct |
52 |
Correct |
203 ms |
208 KB |
Output is correct |
53 |
Incorrect |
224 ms |
208 KB |
Not correct |
54 |
Halted |
0 ms |
0 KB |
- |