제출 #758036

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
758036		alexander707070	Unscrambling a Messy Bug (IOI16_messy)	C++14	0 / 100	2 ms	468 KiB

messy

#include<bits/stdc++.h>
#include "messy.h"
#define MAXN 10007
using namespace std;
 
int n;
string curr,zero;
int p[MAXN];
bool in[MAXN];
vector<int> ans,v;
 
void question(){
	curr="";
	for(int i=0;i<n;i++){
		if(in[i])curr+="1";
		else curr+="0";
	}
	add_element(curr);
}

void ask(int l,int r){
	int mid=(l+r)/2;
	for(int i=l;i<=mid;i++){
		in[i]=true;
		question();
		in[i]=false;
	}

	for(int i=mid+1;i<=r;i++)in[i]=true;
	ask(l,mid);
	for(int i=mid+1;i<=r;i++)in[i]=false;

	for(int i=l;i<=mid;i++)in[i]=true;
	ask(mid+1,r);
	for(int i=l;i<=mid;i++)in[i]=false;
}

bool answer(){
	curr="";
	for(int i=0;i<n;i++){
		if(in[i])curr+="1";
		else curr+="0";
	}
	return check_element(curr);
}

void solve(int l,int r,vector<int> poss){
	if(l==r){
		p[poss[0]]=l; return;
	}

	vector<int> ll,rr;
	for(int i=0;i<poss.size();i++){
		in[poss[i]]=true;		

		if(answer())ll.push_back(poss[i]);
		else rr.push_back(poss[i]);

		in[poss[i]]=false;
	}

	int mid=(l+r)/2;

	for(int i:rr)in[i]=true;
	solve(l,mid,ll);
	for(int i:rr)in[i]=false;

	for(int i:ll)in[i]=true;
	solve(mid+1,r,rr);
	for(int i:ll)in[i]=false;
}

vector<int> restore_permutation(int N, int w, int r){
    n=N;
	ask(0,n-1);
	compile_set();

	for(int i=0;i<n;i++)v.push_back(i);
	solve(0,n-1,v);

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

	return ans;
}
 
/*
int main(){
 
}
*/

컴파일 시 표준 에러 (stderr) 메시지

messy.cpp: In function 'void solve(int, int, std::vector<int>)':
messy.cpp:53:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |  for(int i=0;i<poss.size();i++){
      |              ~^~~~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 18
• Subtask 3: 0 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30