| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 605065 | 2022-07-25T12:41:44 Z | SamAnd | Counting Mushrooms (IOI20_mushrooms) | C++17 | 12 ms | 464 KB |
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define m_p make_pair
typedef long long ll;
mt19937 rnf(234);
const int M = 160;
int count_mushrooms(int n)
{
vector<int> v;
for (int i = 1; i < min(n, M); ++i)
v.push_back(i);
vector<int> a;
vector<int> b;
a.push_back(0);
while (!v.empty())
{
if (sz(v) == 1 || (max(sz(a), sz(b)) < 2))
{
int q = use_machine({0, v.back()});
if (q == 0)
a.push_back(v.back());
else
b.push_back(v.back());
v.pop_back();
continue;
}
if (sz(a) >= 2)
{
int q = use_machine({a[0], v[0], a[1], v[1]});
if (q == 0)
{
a.push_back(v[0]);
a.push_back(v[1]);
}
else if (q == 3)
{
b.push_back(v[0]);
b.push_back(v[1]);
}
else if (q == 1)
{
a.push_back(v[0]);
b.push_back(v[1]);
}
else if (q == 2)
{
b.push_back(v[0]);
a.push_back(v[1]);
}
}
else
{
int q = use_machine({b[0], v[0], b[1], v[1]});
if (q == 0)
{
b.push_back(v[0]);
b.push_back(v[1]);
}
else if (q == 3)
{
a.push_back(v[0]);
a.push_back(v[1]);
}
else if (q == 1)
{
b.push_back(v[0]);
a.push_back(v[1]);
}
else if (q == 2)
{
a.push_back(v[0]);
b.push_back(v[1]);
}
}
reverse(all(v));
v.pop_back();
v.pop_back();
}
int ans = sz(a);
for (int i = M; i < n; ++i)
v.push_back(i);
while (!v.empty())
{
if (sz(a) > sz(b))
{
if (sz(v) <= sz(a))
{
vector<int> x;
for (int i = 0; i < sz(v); ++i)
{
x.push_back(a[i]);
x.push_back(v[i]);
}
int q = use_machine(x);
ans += (sz(v) - 1 - q / 2);
if (q % 2 == 0)
{
++ans;
a.push_back(v.back());
}
else
{
b.push_back(v.back());
}
v.clear();
}
else
{
vector<int> u;
for (int i = 0; i < sz(a); ++i)
{
u.push_back(v.back());
v.pop_back();
}
vector<int> x;
for (int i = 0; i < sz(u); ++i)
{
x.push_back(a[i]);
x.push_back(u[i]);
}
int q = use_machine(x);
ans += (sz(u) - 1 - q / 2);
if (q % 2 == 0)
{
++ans;
a.push_back(u.back());
}
else
{
b.push_back(u.back());
}
u.clear();
}
}
else
{
if (sz(v) <= sz(b))
{
vector<int> x;
for (int i = 0; i < sz(v); ++i)
{
x.push_back(b[i]);
x.push_back(v[i]);
}
int q = use_machine(x);
ans += q / 2;
if (q % 2 == 0)
{
b.push_back(v.back());
}
else
{
++ans;
a.push_back(v.back());
}
v.clear();
}
else
{
vector<int> u;
for (int i = 0; i < sz(b); ++i)
{
u.push_back(v.back());
v.pop_back();
}
vector<int> x;
for (int i = 0; i < sz(u); ++i)
{
x.push_back(b[i]);
x.push_back(u[i]);
}
int q = use_machine(x);
ans += q / 2;
if (q % 2 == 0)
{
b.push_back(u.back());
}
else
{
++ans;
a.push_back(u.back());
}
u.clear();
}
}
}
return ans;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 208 KB | Output is correct |
| 2 | Correct | 1 ms | 208 KB | Output is correct |
| 3 | Correct | 1 ms | 208 KB | Output is correct |
| 4 | Correct | 1 ms | 208 KB | Output is correct |
| 5 | Correct | 1 ms | 208 KB | Output is correct |
| 6 | Correct | 2 ms | 208 KB | Output is correct |
| 7 | Correct | 6 ms | 464 KB | Output is correct |
| 8 | Correct | 6 ms | 440 KB | Output is correct |
| 9 | Correct | 8 ms | 464 KB | Output is correct |
| 10 | Correct | 6 ms | 464 KB | Output is correct |
| 11 | Partially correct | 12 ms | 444 KB | Output is partially correct |
| 12 | Correct | 5 ms | 444 KB | Output is correct |
| 13 | Correct | 8 ms | 464 KB | Output is correct |
| 14 | Correct | 4 ms | 336 KB | Output is correct |
| 15 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 16 | Partially correct | 9 ms | 464 KB | Output is partially correct |
| 17 | Correct | 4 ms | 396 KB | Output is correct |
| 18 | Correct | 6 ms | 436 KB | Output is correct |
| 19 | Partially correct | 8 ms | 464 KB | Output is partially correct |
| 20 | Correct | 5 ms | 440 KB | Output is correct |
| 21 | Correct | 6 ms | 436 KB | Output is correct |
| 22 | Partially correct | 6 ms | 444 KB | Output is partially correct |
| 23 | Correct | 6 ms | 464 KB | Output is correct |
| 24 | Correct | 4 ms | 336 KB | Output is correct |
| 25 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 26 | Partially correct | 6 ms | 464 KB | Output is partially correct |
| 27 | Partially correct | 5 ms | 436 KB | Output is partially correct |
| 28 | Partially correct | 5 ms | 436 KB | Output is partially correct |
| 29 | Partially correct | 6 ms | 444 KB | Output is partially correct |
| 30 | Partially correct | 8 ms | 464 KB | Output is partially correct |
| 31 | Partially correct | 8 ms | 464 KB | Output is partially correct |
| 32 | Partially correct | 6 ms | 464 KB | Output is partially correct |
| 33 | Partially correct | 6 ms | 440 KB | Output is partially correct |
| 34 | Partially correct | 6 ms | 440 KB | Output is partially correct |
| 35 | Partially correct | 6 ms | 464 KB | Output is partially correct |
| 36 | Partially correct | 6 ms | 464 KB | Output is partially correct |
| 37 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 38 | Partially correct | 7 ms | 436 KB | Output is partially correct |
| 39 | Partially correct | 6 ms | 464 KB | Output is partially correct |
| 40 | Partially correct | 6 ms | 464 KB | Output is partially correct |
| 41 | Partially correct | 9 ms | 464 KB | Output is partially correct |
| 42 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 43 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 44 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 45 | Partially correct | 7 ms | 444 KB | Output is partially correct |
| 46 | Partially correct | 10 ms | 440 KB | Output is partially correct |
| 47 | Partially correct | 7 ms | 440 KB | Output is partially correct |
| 48 | Partially correct | 8 ms | 464 KB | Output is partially correct |
| 49 | Partially correct | 10 ms | 464 KB | Output is partially correct |
| 50 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 51 | Partially correct | 8 ms | 464 KB | Output is partially correct |
| 52 | Partially correct | 7 ms | 440 KB | Output is partially correct |
| 53 | Partially correct | 7 ms | 444 KB | Output is partially correct |
| 54 | Partially correct | 8 ms | 464 KB | Output is partially correct |
| 55 | Partially correct | 9 ms | 464 KB | Output is partially correct |
| 56 | Partially correct | 8 ms | 440 KB | Output is partially correct |
| 57 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 58 | Partially correct | 8 ms | 460 KB | Output is partially correct |
| 59 | Partially correct | 7 ms | 464 KB | Output is partially correct |
| 60 | Partially correct | 9 ms | 464 KB | Output is partially correct |
| 61 | Partially correct | 5 ms | 440 KB | Output is partially correct |
| 62 | Correct | 1 ms | 208 KB | Output is correct |
| 63 | Correct | 1 ms | 208 KB | Output is correct |
| 64 | Correct | 0 ms | 208 KB | Output is correct |
| 65 | Correct | 0 ms | 208 KB | Output is correct |
| 66 | Correct | 0 ms | 208 KB | Output is correct |
| 67 | Correct | 0 ms | 208 KB | Output is correct |
| 68 | Correct | 0 ms | 300 KB | Output is correct |
| 69 | Correct | 1 ms | 208 KB | Output is correct |
| 70 | Correct | 0 ms | 208 KB | Output is correct |
| 71 | Correct | 0 ms | 208 KB | Output is correct |
| 72 | Correct | 0 ms | 208 KB | Output is correct |
| 73 | Correct | 0 ms | 208 KB | Output is correct |
| 74 | Correct | 0 ms | 208 KB | Output is correct |
| 75 | Correct | 0 ms | 208 KB | Output is correct |
| 76 | Correct | 1 ms | 208 KB | Output is correct |
| 77 | Correct | 1 ms | 208 KB | Output is correct |
| 78 | Correct | 0 ms | 208 KB | Output is correct |
| 79 | Correct | 0 ms | 208 KB | Output is correct |
| 80 | Correct | 0 ms | 208 KB | Output is correct |
| 81 | Correct | 1 ms | 208 KB | Output is correct |
| 82 | Correct | 1 ms | 212 KB | Output is correct |
| 83 | Correct | 1 ms | 216 KB | Output is correct |
| 84 | Correct | 1 ms | 208 KB | Output is correct |
| 85 | Correct | 0 ms | 208 KB | Output is correct |
| 86 | Correct | 1 ms | 208 KB | Output is correct |
| 87 | Correct | 0 ms | 208 KB | Output is correct |
| 88 | Correct | 0 ms | 208 KB | Output is correct |
| 89 | Correct | 0 ms | 220 KB | Output is correct |
| 90 | Correct | 1 ms | 208 KB | Output is correct |
| 91 | Correct | 0 ms | 208 KB | Output is correct |