#include "mushrooms.h"
#include "bits/stdc++.h"
using namespace std;
int count_mushrooms(int n) {
vector<int> zeros = {0};
const int cnt = 30, b = 25;
for (int l = 1, r = b; l < n and zeros.size() < cnt; l += b, r += b) {
r = min(r, n - 1);
vector<int> v = {0};
for (int i = l; i <= r; i++) v.emplace_back(i);
int x = use_machine(v);
if (x == 0) {
for (int i = l; i <= r; i++) v.emplace_back(i);
continue;
}
if (x == 1) {
if (use_machine({0, l})) continue;
}
for (int i = l; i <= r; i++) {
if (use_machine({0, i}) == 0) zeros.emplace_back(i);
}
}
if (zeros.size() < cnt) return zeros.size();
vector<int> unused;
for (int i = zeros.back() + 1; i < n; i++) unused.emplace_back(i);
int ans = zeros.size();
while (!unused.empty()) {
int ln = min(unused.size(), zeros.size());
vector<int> v;
for (int i = 0; i < ln; i++) {
v.emplace_back(zeros[i]);
v.emplace_back(unused.back());
unused.pop_back();
}
ans += ln - (use_machine(v) + 1) / 2;
}
return ans;
}
// 0 -> 3
// 2 -
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
444 KB |
Output is correct |
6 |
Correct |
2 ms |
444 KB |
Output is correct |
7 |
Incorrect |
6 ms |
448 KB |
Answer is not correct. |
8 |
Halted |
0 ms |
0 KB |
- |