Submission #883735

#	Time	Username	Problem	Language	Result	Execution time	Memory
883735		poltomo	Art Collections (BOI22_art)	C++17	100 / 100	1262 ms	1696 KiB

art

#include <vector>

#define REP(i, N) for (int i = 0;i < N;++i)

using namespace std;

/**
 * returns how many complaints you will receive for this ordering of the art collections
 */
int publish(std::vector<int>);

/**
 * use this function when you have found the correct order of the art collections
 * You must call answer exactly once; your program will be automatically
 * terminated afterwards.
 */
void answer(std::vector<int>);

/**
 * implement this function
 */


void solve(int N) {
	vector<int> R(N);
	REP(i, N) {
		vector<int> ranking(N);
		REP(j, N) {
			ranking[j] = (i + j) % N + 1;
		}
		R[i] = publish(ranking);
	}

	std::vector<int> ans(N);

	REP(i, N) {
		ans[(R[i] - R[(i + 1) % N] + N - 1) / 2] = i + 1;
	}

	answer(ans);
}

Compilation message (stderr)

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) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30