#include<iostream>
#include <bits/stdc++.h>
#include "minerals.h"
#define ll long long
#define ld long double
#define IO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
void solve(vector<int> & v1, vector<int> & v2, bool p)
{
int n=v1.size();
if(n==1)
{
Answer(v1.back(),v2.back());
return ;
}
if(!n)
return;
vector<int> x1, y1, x2, y2;
int x;
for(int i=0; i<n; i++)
{
if(i<n/2)
{
x=Query(v1[i]);
x1.push_back(v1[i]);
}
else
x2.push_back(v1[i]);
}
for(auto i : v2)
{
int q=Query(i);
if((q!=x && p) || (q==x && !p))
y1.push_back(i);
else
y2.push_back(i);
x=q;
}
v1.clear(), v2.clear();
solve(x1,y1,!p);
solve(v2,y2,p);
}
void Solve(int N)
{
vector<int> v1, v2;
int last=0;
for (int i = 1; i <= 2 * N; ++i)
{
vis[i]=vis[0]=0;
int x=Query(i);
if(x!=last)
v1.push_back(i);
else
v2.push_back(i);
last=x;
}
solve(v1,v2, 1);
}
Compilation message
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:49:9: error: 'vis' was not declared in this scope
vis[i]=vis[0]=0;
^~~
