# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
436610 | frodakcin | Counting Mushrooms (IOI20_mushrooms) | C++17 | 11 ms | 420 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "mushrooms.h"
#include <cstdio>
int count_mushrooms(int n)
{
std::vector<int> m, a, b;
a.push_back(0);
int ans=0;
for(int i=1;i<n;)
if(a.size() < b.size())
{
int qv=0;
for(size_t j=0;j<b.size() && i<n;++j, ++i)
m.push_back(b[j]), m.push_back(i), ++qv;
int v = use_machine(m);
m.clear();
if(v&1) a.push_back(i-1);
else b.push_back(i-1);
if(v/2 == 0)
for(int j=i-qv;j<i-1;++j)
b.push_back(j);
else if(v/2 == qv-1)
for(int j=i-qv;j<i-1;++j)
a.push_back(j);
else
ans += v/2;
}
else
{
int qv=0;
for(size_t j=0;j<a.size() && i<n;++j, ++i)
m.push_back(a[j]), m.push_back(i), ++qv;
int v = use_machine(m);
m.clear();
if(v&1) b.push_back(i-1);
else a.push_back(i-1);
if(v/2 == 0)
for(int j=i-qv;j<i-1;++j)
a.push_back(j);
else if(v/2 == qv-1)
for(int j=i-qv;j<i-1;++j)
b.push_back(j);
else
ans += (qv-1)-v/2;
}
return a.size()+ans;
}
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
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