#include <algorithm>
#include <iostream>
#include <random>
#include "art.h"
using namespace std;
//
// --- Sample implementation for the task art ---
//
// To compile this program with the sample grader, place:
// art.h art_sample.cpp sample_grader.cpp
// in a single folder, then open the terminal in this directory (right-click onto an empty spot in the directory,
// left click on "Open in terminal") and enter e.g.:
// g++ -std=c++17 art_sample.cpp sample_grader.cpp
// in this folder. This will create a file a.out in the current directory which you can execute from the terminal
// as ./a.out
// See task statement or sample_grader.cpp for the input specification
//
int complaints;
vector<int> order;
void solve(int N) {
order.reserve(N);
for (int i = 0; i < N; ++i) {
order.push_back(i + 1);
}
int current_idx = 0;
complaints = publish(order);
stable_sort(order.begin(), order.end());
std::random_device rd;
std::mt19937 g(rd());
vector<int> indexes;
indexes.reserve(N);
for (int i = 0; i < N; ++i) {
indexes.push_back(i);
}
shuffle(indexes.begin(), indexes.end(), g);
while (complaints != 0) {
swap(order[indexes[current_idx]], order[indexes[current_idx + 1]]);
int new_complaints = publish(order);
if (new_complaints > complaints) swap(order[indexes[current_idx]], order[indexes[current_idx + 1]]); // return to back
++current_idx;
complaints = min(complaints, new_complaints);
if (current_idx == order.size() - 1) {
current_idx = 0;
shuffle(indexes.begin(), indexes.end(), g);
}
cout << complaints << endl;
}
answer(order);
}
Compilation message
art.cpp: In function 'void solve(int)':
art.cpp:45:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
45 | if (current_idx == order.size() - 1) {
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
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 |
Incorrect |
0 ms |
344 KB |
Security violation! |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Security violation! |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Security violation! |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Security violation! |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Security violation! |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Security violation! |
| 2 |
Halted |
0 ms |
0 KB |
- |
