#include <bits/stdc++.h>
#include "messy.h"
using namespace std;
#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"
int n , a[200];
void rec(int l , int r){
if(r - l == 1)
return;
string a(n , '0');
for(int i = l; i < r; i++)
a[i] = '1';
for(i = l; i < (l + r) / 2; i++){
a[i] = '0';
add_element(a);
a[i] = '1';
}
rec(l , (l + r) / 2);
rec((l + r) / 2 , r);
}
void f(vector<int>v , int x){
if(v.size() == 1){
a[v[0]] = x;
return;
}
string s(n , '0');
vector<int>l , r;
for(auto to : v)
s[to] = '1';
for(auto to : v){
s[to] = '0';
if(check_element(s))
l.pb(to);
else
r.pb(to);
s[to] = '1';
}
f(l , x);
f(r , x | r.size());
}
vector<int> restore_permutation(int n, int w, int r) {
vector<int>v , ans;
int i;
::n = n;
rec(0, n);
compile_set();
for(i = 0; i < n; i++)
v.pb(i);
f(v , 0);
for(i = 0; i < n; i++)
ans.pb(a[i]);
return ans;
}
int main(){
}
Compilation message
messy.cpp: In function 'void rec(int, int)':
messy.cpp:29:9: error: 'i' was not declared in this scope
29 | for(i = l; i < (l + r) / 2; i++){
| ^
