제출 #67806

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
67806		Bruteforceman	사육제 (CEOI14_carnival)	C++11	100 / 100	14 ms	564 KiB

carnival

#include "bits/stdc++.h"
using namespace std;
vector <int> v;

bool good(int pref, int x) {
	cout << (pref + 1);
	for(int i = 0; i < pref; i++) {
		cout << ' ' << v[i];
	}
	cout << ' ' << x << endl;
	int val;
	cin >> val;
	return (val == pref);
}

int search(int b, int e, int x) {
	if(b == e) {
		return b;
	}
	int m = (b + e) >> 1;
	if(good(m, x)) return search(b, m, x);
	else return search(m + 1, e, x);
}

int main(int argc, char const *argv[])
{
	int n;
	cin >> n;
	v.push_back(1);
	int now = 1;
	for(int i = 2; i <= n; i++) {
		v.push_back(i);
		cout << v.size();
		for(int j : v) {
			cout << ' ' << j;
		}
		cout << endl;
		int x;
		cin >> x;
		if(x > now) {
			now = x;
		} else {
			v.pop_back();
		}
	}
	bool vis[222];
	int assign[222];
	memset(assign, -1, sizeof assign);
	memset(vis, false, sizeof vis);
	for(int i = 1; i <= v.size(); i++) {
		assign[v[i - 1]] = i;
		vis[v[i - 1]] = true;
	}
	for(int i = 1; i <= n; i++) {
		if(!vis[i]) {
			assign[i] = search(1, v.size(), i);
		} 
	}
	cout << 0;
	for(int i = 1; i <= n; i++) {
		cout << ' ' << assign[i];
	}
	cout << endl;
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

carnival.cpp: In function 'int main(int, const char**)':
carnival.cpp:50:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 1; i <= v.size(); i++) {
                 ~~^~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20