#include <bits/stdc++.h>
#include "messy.h"
using namespace std;
const int MAX=130;
void write(int l, int r, int N)
{
if(l==r) return;
string s="";
for(int i=0;i<N;++i)
{
if(l<=r and i<=r)
{
s+='0';
}
else
{
s+='1';
}
}
int mid=(l+r)>>1;
for(int i=l;i<=mid;++i)
{
s[i]='1';
add_element(s);
s[i]='0';
}
write(l,mid,N);
write(mid+1,r,N);
}
int p[MAX];
void read(int l, int r, vector<int> v, int N)
{
if(l==r)
{
p[v[0]]=l;
return;
}
string s="";
for(int i=0;i<n;++i)
{
s+='1';
}
for(int a:v)
{
s[a]='0';
}
int mid=(l+r)>>1;
vector<int>left,right;
for(int i:v)
{
s[i]='1';
if(check_element(s))
{
left.push_back(i);
}
else{
right.push_back(i);
}
s[i]='0';
}
read(l, mid, left, N);
read(mid + 1, r, right, N);
}
vector<int> restore_permutation(int N,int w,int r)
{
write(0,N-1,N);
compile_set();
vector<int>tmp;
for(int i=0;i<N;++i)
{
tmp.push_back(i);
}
read(0,N-1,tmp,N);
vector<int>res;
for(int i = 0; i < N; i++){
res.push_back(p[i]);
}
return res;
}
Compilation message
messy.cpp: In function 'void read(int, int, std::vector<int>, int)':
messy.cpp:41:19: error: 'n' was not declared in this scope
41 | for(int i=0;i<n;++i)
| ^
