Submission #962143

#	Time	Username	Problem	Language	Result	Execution time	Memory
962143		lotusblume	Art Collections (BOI22_art)	C++17	100 / 100	1212 ms	1788 KiB

art

#include <iostream>
#include <vector>

#include "art.h"

void solve(int n) {
	std::vector<int> p(n);

	for (int i = 0; i < n; ++i) {
		p[i] = i + 1;
	}

	int orig = publish(p);

	std::vector<int> ans(n, 0);

	for (int i = 0; i < n - 1; ++i) {
		for (int j = 0; j < i; ++j) {
			p[j] = j + 1;
		}
		for (int j = i; j < n - 1; ++j) {
			p[j] = j + 2;
		}
		p[n - 1] = i + 1;
		int dif = orig - publish(p);
		int x = ((n - i - 1) + dif) / 2;
		for (int j = 0; j < n; ++j) {
			if (ans[j] == 0) {
				if (x == 0) {
					ans[j] = i + 1;
					break;
				}
				else {
					--x;
				}
			}
		}
	}

	for (int j = 0; j < n; ++j) {
		if (ans[j] == 0) {
			ans[j] = n;
			break;
		}
	}

	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