#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <algorithm>
#include "mushrooms.h"
using namespace std;
const int VAL = 100;
vector<int> a, b;
void process(int x, bool isA) {
if (isA) a.push_back(x);
else b.push_back(x);
}
int count_mushrooms(int n) {
a.clear(); b.clear();
vector<int> v;
for (int i = 1; i < n; ++i)
v.push_back(i);
int ans = 0, pos = 0;
a.push_back(0);
while (a.size() < VAL && b.size() < VAL && pos + 5 <= (int) v.size()) {
if (a.size() > 2 && b.size() > 1) {
vector<int> arr;
arr.push_back(a[0]);
arr.push_back(v[pos]), ++pos;
arr.push_back(a[1]);
arr.push_back(v[pos]), ++pos;
arr.push_back(a[2]);
arr.push_back(v[pos]), ++pos;
int ret = use_machine(arr);
if (ret == 5) {
process(arr[1], false);
process(arr[3], false);
process(arr[5], false);
} else if (ret == 4) {
process(arr[1], false);
process(arr[3], false);
process(arr[5], true);
} else if (ret == 3) {
process(arr[5], false);
vector<int> nArr = {b[1], arr[1], b[0], a[0], arr[3], a[1]};
nextPos(v, pos);
if (pos < (int) v.size()) {
nArr.push_back(v[pos]), ++pos;
nArr.push_back(a[2]);
}
nextPos(v, pos);
if (pos < (int) v.size()) {
nArr.push_back(v[pos]), ++pos;
}
int cur = use_machine(nArr) - 1;
process(arr[1], (cur & 4));
process(arr[3], !(cur & 4));
process(nArr[6], !(cur & 2));
process(nArr[8], !(cur & 1));
} else if (ret == 2) {
process(arr[5], true);
vector<int> nArr = {b[1], arr[1], b[0], a[0], arr[3], a[1]};
nextPos(v, pos);
if (pos < (int) v.size()) {
nArr.push_back(v[pos]), ++pos;
nArr.push_back(a[2]);
}
nextPos(v, pos);
if (pos < (int) v.size()) {
nArr.push_back(v[pos]), ++pos;
}
int cur = use_machine(nArr) - 1;
process(arr[1], (cur & 4));
process(arr[3], !(cur & 4));
process(nArr[6], !(cur & 2));
process(nArr[8], !(cur & 1));
} else if (ret == 1) {
process(arr[1], true);
process(arr[3], true);
process(arr[5], false);
} else {
process(arr[1], true);
process(arr[3], true);
process(arr[5], true);
}
} else if (b.size() > 2 && a.size() > 1) {
vector<int> arr;
arr.push_back(b[0]);
arr.push_back(v[pos]), ++pos;
arr.push_back(b[1]);
arr.push_back(v[pos]), ++pos;
arr.push_back(b[2]);
arr.push_back(v[pos]), ++pos;
int ret = use_machine(arr);
if (ret == 5) {
process(arr[1], true);
process(arr[3], true);
process(arr[5], true);
} else if (ret == 4) {
process(arr[1], true);
process(arr[3], true);
process(arr[5], false);
} else if (ret == 3) {
process(arr[5], true);
vector<int> nArr = {a[1], arr[1], a[0], b[0], arr[3], b[1]};
nextPos(v, pos);
if (pos < (int) v.size()) {
nArr.push_back(v[pos]), ++pos;
nArr.push_back(b[2]);
}
nextPos(v, pos);
if (pos < (int) v.size()) {
nArr.push_back(v[pos]), ++pos;
}
int cur = use_machine(nArr) - 1;
process(arr[1], !(cur & 4));
process(arr[3], (cur & 4));
process(nArr[6], (cur & 2));
process(nArr[8], (cur & 1));
} else if (ret == 2) {
process(arr[5], false);
vector<int> nArr = {a[1], arr[1], a[0], b[0], arr[3], b[1]};
nArr.push_back(v[pos]), ++pos;
nArr.push_back(b[2]);
nArr.push_back(v[pos]), ++pos;
int cur = use_machine(nArr) - 1;
process(arr[1], !(cur & 4));
process(arr[3], (cur & 4));
process(nArr[6], (cur & 2));
process(nArr[8], (cur & 1));
} else if (ret == 1) {
process(arr[1], false);
process(arr[3], false);
process(arr[5], true);
} else {
process(arr[1], false);
process(arr[3], false);
process(arr[5], false);
}
} else if (a.size() > 1) {
vector<int> arr;
arr.push_back(v[pos]), ++pos;
arr.push_back(a[0]);
arr.push_back(v[pos]), ++pos;
arr.push_back(a[1]);
int ret = use_machine(arr);
if (ret == 3) {
process(arr[0], false);
process(arr[2], false);
} else if (ret == 2) {
process(arr[0], true);
process(arr[2], false);
} else if (ret == 1) {
process(arr[0], false);
process(arr[2], true);
} else {
process(arr[0], true);
process(arr[2], true);
}
} else if (b.size() > 1) {
vector<int> arr;
arr.push_back(v[pos]), ++pos;
arr.push_back(b[0]);
arr.push_back(v[pos]), ++pos;
arr.push_back(b[1]);
int ret = use_machine(arr);
if (ret == 3) {
process(arr[0], true);
process(arr[2], true);
} else if (ret == 2) {
process(arr[0], false);
process(arr[2], true);
} else if (ret == 1) {
process(arr[0], true);
process(arr[2], false);
} else {
process(arr[0], false);
process(arr[2], false);
}
} else {
vector<int> arr = {a[0]};
arr.push_back(v[pos]), ++pos;
int ret = use_machine(arr);
if (ret & 1) {
process(arr[1], false);
} else {
process(arr[1], true);
}
}
}
ans = a.size();
while (pos < (int) v.size()) {
if (a.size() >= b.size()) {
vector<int> arr;
int used = 0;
for (int i = 0; i < (int) a.size(); ++i) {
arr.push_back(a[i]);
if (pos < (int) v.size()) {
arr.push_back(v[pos]), ++pos;
++used;
} else break;
}
int ret = use_machine(arr);
int diff = (ret / 2) + (ret & 1);
ans += used - diff;
if (ret & 1) {
b.push_back(arr.back());
} else {
a.push_back(arr.back());
}
} else {
vector<int> arr;
int used = 0;
for (int i = 0; i < (int) b.size(); ++i) {
arr.push_back(b[i]);
if (pos < (int) v.size()) {
arr.push_back(v[pos]), ++pos;
++used;
} else break;
}
int ret = use_machine(arr);
int diff = (ret / 2) + (ret & 1);
ans += diff;
if (ret & 1) {
a.push_back(arr.back());
} else {
b.push_back(arr.back());
}
}
}
return ans;
}
Compilation message
mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:51:9: error: 'nextPos' was not declared in this scope
51 | nextPos(v, pos);
| ^~~~~~~
mushrooms.cpp:69:9: error: 'nextPos' was not declared in this scope
69 | nextPos(v, pos);
| ^~~~~~~
mushrooms.cpp:114:9: error: 'nextPos' was not declared in this scope
114 | nextPos(v, pos);
| ^~~~~~~