#include <algorithm>
#include <bitset>
#include <cstdint>
#include <cstring>
#include <iostream>
#include <limits.h>
#include <math.h>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
//#define int long long
#define loop(X, N) for(int X = 0; X < (N); X++)
#define all(V) V.begin(), V.end()
#define rall(V) V.rbegin(), V.rend()
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<bool> vb;
typedef vector<vector<bool>> vvb;
//int use_machine(vi x);
int count_mushrooms(int n)
{
vi a = { 0 };
vi b;
int i = 1;
/*for (; i < n; i++)
{
int res = use_machine({ 0, i });
if (res == 0)
a.push_back(i);
else
b.push_back(i);
if (a.size() >= 2 && 2 * a.size() * a.size() >= n)
break;
if (b.size() >= 2 && 2 * b.size() * b.size() >= n)
break;
}
i++;*/
int result = a.size();
while (i < n)
{
if (a.size() > b.size())
{
int sq = a.size();
vi ask;
int asked = min(sq, n - i);
loop(j, asked)
{
ask.push_back(a[j]);
ask.push_back(i++);
}
int res = use_machine(ask);
result += asked - res / 2 - res % 2;
if (res % 2)
b.push_back(i - 1);
else
a.push_back(i - 1);
if (asked == 2)
{
if (res >= 2)
b.push_back(i - 2);
else
a.push_back(i - 2);
}
}
else
{
int sq = b.size();
vi ask;
int asked = min(sq, n - i);
loop(j, asked)
{
ask.push_back(b[j]);
ask.push_back(i++);
}
int res = use_machine(ask);
result += res / 2 + res % 2;
if (res % 2)
a.push_back(i - 1);
else
b.push_back(i - 1);
if (asked == 2)
{
if (res >= 2)
a.push_back(i - 2);
else
b.push_back(i - 2);
}
}
}
return result;
}
Compilation message
mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:70:14: error: 'use_machine' was not declared in this scope
70 | int res = use_machine(ask);
| ^~~~~~~~~~~
mushrooms.cpp:97:14: error: 'use_machine' was not declared in this scope
97 | int res = use_machine(ask);
| ^~~~~~~~~~~
