Submission #877662

#	Time	Username	Problem	Language	Result	Execution time	Memory
877662		vjudge1	Art Collections (BOI22_art)	C++17	100 / 100	1092 ms	1804 KiB

art

#include "art.h"
#include <algorithm>
using namespace std;
void solve(int n) {
	vector <int> order;
	for (int i = 1; i <= n; i++) order.push_back(i);
	int res[n + 1];
	for (int i = 0; i < n; i++) {
		res[i] = publish(order);
		order.push_back(order[0]);
		order.erase(order.begin());
	}
	res[n] = res[0];
	for (int i = 0; i < n; i++) {
		// res[i] = z + x
		// res[i + 1] = z + n - 1 - x
		// res[i] + res[i + 1] = 2z + n - 1
		int z = (res[i] + res[i + 1] - n + 1) / 2;
		int x = res[i] - z;
		order[x] = i + 1;
	}
	answer(order);
}

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