#include <bits/stdc++.h>
#define pb push_back
#define vt vector
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#ifndef ONLINE_JUDGE
#include "art.h"
#endif
using namespace std;
#ifdef ONLINE_JUDGE
void __attribute__((noreturn)) __attribute__((format(printf, 1, 2))) result(const char *msg, ...) {
va_list args;
va_start(args, msg);
vfprintf(stdout, msg, args);
fprintf(stdout, "\n");
va_end(args);
exit(0);
}
namespace {
int N;
int Q = 0;
const int MAX_Q = 4000;
const int MAX_N = 4000;
vector<int> solution;
} // namespace
int publish(vector<int> R) {
printf("publish({");
for(int i = 0; i < int(R.size()); ++i) {
if(i == 0)
printf("%d", R[i]);
else
printf(", %d", R[i]);
}
printf("})\n");
fflush(stdout);
if (++Q > MAX_Q)
result("Too many published rankings!");
if (int(R.size()) != N)
result("Invalid published ranking!");
set<int> chosen;
for(auto &x : R) {
if(x < 1 || x > N || chosen.count(x))
result("Invalid published ranking!");
chosen.insert(x);
}
vector<int> positions(N+1);
for(int i = 0; i < N; ++i)
positions[R[i]] = i;
int complaints = 0;
for(int i = 0; i < N; ++i) {
for(int j = i+1; j < N; ++j) {
if(positions[solution[i]] > positions[solution[j]])
++complaints;
}
}
return complaints;
}
void __attribute__((noreturn)) answer(vector<int> R) {
printf("answer({");
for(int i = 0; i < int(R.size()); ++i) {
if(i == 0)
printf("%d", R[i]);
else
printf(", %d", R[i]);
}
printf("})\n");
fflush(stdout);
if(R == solution)
result("Correct: %d published ranking(s).", Q);
else
result("Wrong answer!");
}
#endif
bool cmp (int n, int i, int j) {
vt<int> v = {i, j};
for (int k = 1; k <= n; k++) {
if (k != i && k != j) v.pb(k);
}
int res1 = publish(v);
swap(v[0], v[1]);
int res2 = publish(v);
return (res1 < res2);
}
vt<int> merge_sort (int n, vt<int> p) {
if (sz(p) == 1) return p;
vt<int> L, R;
for (int i = 0; i < sz(p); i++) (i < sz(p) / 2 ? L : R).pb(p[i]);
L = merge_sort(n, L), R = merge_sort(n, R);
p.clear();
int i = 0, j = 0;
while (i < sz(L) && j < sz(R)) {
if (cmp(n, L[i], R[j])) p.pb(L[i]), i++;
else p.pb(R[j]), j++;
}
while (i < sz(L)) p.pb(L[i]), i++;
while (j < sz(R)) p.pb(R[j]), j++;
return p;
}
void solve (int n) {
vt<int> p(n);
iota(all(p), 1);
p = merge_sort(n, p);
answer(p);
}
#ifdef ONLINE_JUDGE
int main() {
if (scanf("%d", &N) != 1 || N < 2 || N > MAX_N)
result("Invalid input!");
solution.resize(N);
set<int> chosen;
for(auto &x : solution) {
if(scanf("%d", &x) != 1 || x < 1 || x > N || chosen.count(x))
result("Invalid input!");
chosen.insert(x);
}
solve(N);
result("No answer!");
}
#endif
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) {
| ~~~~~~~~~^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
4 ms |
208 KB |
Output is correct |
10 |
Correct |
4 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
4 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 |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
3 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
4 ms |
208 KB |
Output is correct |
10 |
Correct |
4 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
4 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 |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
3 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
4 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
5 ms |
208 KB |
Output is correct |
26 |
Correct |
58 ms |
208 KB |
Output is correct |
27 |
Correct |
57 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
95 ms |
208 KB |
Output is correct |
30 |
Correct |
94 ms |
208 KB |
Output is correct |
31 |
Correct |
109 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
0 ms |
208 KB |
Output is correct |
38 |
Correct |
2 ms |
208 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
4 ms |
208 KB |
Output is correct |
10 |
Correct |
4 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
4 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 |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
3 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
4 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
5 ms |
208 KB |
Output is correct |
26 |
Correct |
58 ms |
208 KB |
Output is correct |
27 |
Correct |
57 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
95 ms |
208 KB |
Output is correct |
30 |
Correct |
94 ms |
208 KB |
Output is correct |
31 |
Correct |
109 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
0 ms |
208 KB |
Output is correct |
38 |
Correct |
2 ms |
208 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
40 |
Correct |
0 ms |
208 KB |
Output is correct |
41 |
Correct |
4 ms |
208 KB |
Output is correct |
42 |
Correct |
3 ms |
296 KB |
Output is correct |
43 |
Correct |
6 ms |
208 KB |
Output is correct |
44 |
Correct |
4 ms |
208 KB |
Output is correct |
45 |
Correct |
61 ms |
208 KB |
Output is correct |
46 |
Correct |
60 ms |
208 KB |
Output is correct |
47 |
Correct |
92 ms |
208 KB |
Output is correct |
48 |
Correct |
96 ms |
208 KB |
Output is correct |
49 |
Correct |
129 ms |
208 KB |
Output is correct |
50 |
Correct |
81 ms |
208 KB |
Output is correct |
51 |
Correct |
0 ms |
208 KB |
Output is correct |
52 |
Correct |
171 ms |
292 KB |
Output is correct |
53 |
Incorrect |
180 ms |
208 KB |
Not correct |
54 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
4 ms |
208 KB |
Output is correct |
10 |
Correct |
4 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
4 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 |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
3 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
4 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
5 ms |
208 KB |
Output is correct |
26 |
Correct |
58 ms |
208 KB |
Output is correct |
27 |
Correct |
57 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
95 ms |
208 KB |
Output is correct |
30 |
Correct |
94 ms |
208 KB |
Output is correct |
31 |
Correct |
109 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
0 ms |
208 KB |
Output is correct |
38 |
Correct |
2 ms |
208 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
40 |
Correct |
0 ms |
208 KB |
Output is correct |
41 |
Correct |
4 ms |
208 KB |
Output is correct |
42 |
Correct |
3 ms |
296 KB |
Output is correct |
43 |
Correct |
6 ms |
208 KB |
Output is correct |
44 |
Correct |
4 ms |
208 KB |
Output is correct |
45 |
Correct |
61 ms |
208 KB |
Output is correct |
46 |
Correct |
60 ms |
208 KB |
Output is correct |
47 |
Correct |
92 ms |
208 KB |
Output is correct |
48 |
Correct |
96 ms |
208 KB |
Output is correct |
49 |
Correct |
129 ms |
208 KB |
Output is correct |
50 |
Correct |
81 ms |
208 KB |
Output is correct |
51 |
Correct |
0 ms |
208 KB |
Output is correct |
52 |
Correct |
171 ms |
292 KB |
Output is correct |
53 |
Incorrect |
180 ms |
208 KB |
Not correct |
54 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
4 ms |
208 KB |
Output is correct |
10 |
Correct |
4 ms |
208 KB |
Output is correct |
11 |
Correct |
5 ms |
208 KB |
Output is correct |
12 |
Correct |
4 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 |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
3 ms |
208 KB |
Output is correct |
20 |
Correct |
3 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
4 ms |
208 KB |
Output is correct |
23 |
Correct |
4 ms |
208 KB |
Output is correct |
24 |
Correct |
3 ms |
208 KB |
Output is correct |
25 |
Correct |
5 ms |
208 KB |
Output is correct |
26 |
Correct |
58 ms |
208 KB |
Output is correct |
27 |
Correct |
57 ms |
208 KB |
Output is correct |
28 |
Correct |
107 ms |
208 KB |
Output is correct |
29 |
Correct |
95 ms |
208 KB |
Output is correct |
30 |
Correct |
94 ms |
208 KB |
Output is correct |
31 |
Correct |
109 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
37 |
Correct |
0 ms |
208 KB |
Output is correct |
38 |
Correct |
2 ms |
208 KB |
Output is correct |
39 |
Correct |
3 ms |
208 KB |
Output is correct |
40 |
Correct |
0 ms |
208 KB |
Output is correct |
41 |
Correct |
4 ms |
208 KB |
Output is correct |
42 |
Correct |
3 ms |
296 KB |
Output is correct |
43 |
Correct |
6 ms |
208 KB |
Output is correct |
44 |
Correct |
4 ms |
208 KB |
Output is correct |
45 |
Correct |
61 ms |
208 KB |
Output is correct |
46 |
Correct |
60 ms |
208 KB |
Output is correct |
47 |
Correct |
92 ms |
208 KB |
Output is correct |
48 |
Correct |
96 ms |
208 KB |
Output is correct |
49 |
Correct |
129 ms |
208 KB |
Output is correct |
50 |
Correct |
81 ms |
208 KB |
Output is correct |
51 |
Correct |
0 ms |
208 KB |
Output is correct |
52 |
Correct |
171 ms |
292 KB |
Output is correct |
53 |
Incorrect |
180 ms |
208 KB |
Not correct |
54 |
Halted |
0 ms |
0 KB |
- |