| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 783156 | 2023-07-14T16:17:29 Z | mousebeaver | Rarest Insects (IOI22_insects) | C++17 | 88 ms | 464 KB |
#include <bits/stdc++.h>
#include "insects.h"
#define pii pair<int, int>
using namespace std;
set<pii> inside;
set<pii> outside; //Random key, insect index
int types = -1;
int offset = 0;
int countTypes()
{
int pb = press_button();
while(inside.size() && pb > 1)
{
for(int i = pb; i > 1; i--)
{
move_outside((*inside.begin()).second);
outside.insert(*inside.begin());
inside.erase(inside.begin());
}
pb = press_button();
}
vector<pii> a(0);
for(pii i : outside)
{
a.push_back(i);
}
for(pii i : a)
{
move_inside(i.second);
inside.insert(i);
outside.erase(i);
if(inside.size() > 1 && press_button() > 1)
{
move_outside(i.second);
outside.insert(i);
inside.erase(i);
}
}
return inside.size();
}
bool test(int k) //Every type at least k insects?
{
int pb = press_button();
while(pb > k)
{
for(int i = pb; i > k; i--)
{
move_outside((*inside.begin()).second);
outside.insert(*inside.begin());
inside.erase(inside.begin());
}
pb = press_button();
}
vector<pii> a(0);
for(pii i : outside)
{
a.push_back(i);
}
for(pii i : a)
{
move_inside(i.second);
inside.insert(i);
outside.erase(i);
if((int) inside.size() > k)
{
if(press_button() > k)
{
move_outside(i.second);
outside.insert(i);
inside.erase(i);
}
}
}
return((int) inside.size() == k*types);
}
int min_cardinality(int N)
{
srand(43);
for(int i = 0; i < N; i++)
{
outside.insert({rand()%100000, i});
}
types = countTypes();
if(types <= 5)
{
while(inside.size())
{
move_outside((*inside.begin()).second);
outside.insert(*inside.begin());
inside.erase(inside.begin());
}
vector<int> a(N);
int counter = 0;
for(pii p : outside)
{
a[counter] = p.second;
counter++;
}
vector<int> card(N, -1);
int lastcounter = 0;
for(int i = 0; i < N; i++)
{
if(types > 1 && card[a[i]] == -1)
{
types--;
move_inside(a[i]);
vector<int> machine = {a[i]};
for(int j = i+1; j < N; j++)
{
if(card[a[j]] == -1)
{
move_inside(a[j]);
machine.push_back(a[j]);
int state = press_button();
if(state != (int) machine.size())
{
move_outside(a[j]);
machine.pop_back();
}
}
}
for(int j : machine)
{
card[j] = machine.size();
move_outside(j);
}
}
else if(card[a[i]] == -1)
{
lastcounter++;
}
}
for(int i = 0; i < N; i++)
{
card[i] = (card[i] == -1 ? lastcounter : card[i]);
}
return *min_element(card.begin(), card.end());
}
int left = 1;
int right = N/types;
while(left < right)
{
int mid = (left+right+1)/2;
if(right-left > 10)
{
mid = left + (right-left)/4;
}
if(test(mid))
{
if(right+1-(right-left)/4 < mid)
{
offset += mid;
while(inside.size())
{
move_outside((*inside.begin()).second);
inside.erase(inside.begin());
}
if(countTypes() < types)
{
return offset;
}
right = right-mid;
left = 1;
}
else
{
left = mid;
}
}
else
{
right = mid-1;
}
}
return left+offset;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 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 | 3 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 7 ms | 208 KB | Output is correct |
| 9 | Correct | 7 ms | 208 KB | Output is correct |
| 10 | Correct | 4 ms | 208 KB | Output is correct |
| 11 | Correct | 2 ms | 208 KB | Output is correct |
| 12 | Correct | 7 ms | 208 KB | Output is correct |
| 13 | Correct | 5 ms | 208 KB | Output is correct |
| 14 | Correct | 7 ms | 208 KB | Output is correct |
| 15 | Correct | 8 ms | 308 KB | Output is correct |
| 16 | Correct | 7 ms | 208 KB | Output is correct |
| 17 | Correct | 9 ms | 208 KB | Output is correct |
| 18 | Correct | 6 ms | 208 KB | Output is correct |
| 19 | Correct | 4 ms | 208 KB | Output is correct |
| 20 | Correct | 6 ms | 208 KB | Output is correct |
| 21 | Correct | 3 ms | 208 KB | Output is correct |
| 22 | Correct | 2 ms | 208 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 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 | 3 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 7 ms | 208 KB | Output is correct |
| 9 | Correct | 7 ms | 208 KB | Output is correct |
| 10 | Correct | 4 ms | 208 KB | Output is correct |
| 11 | Correct | 2 ms | 208 KB | Output is correct |
| 12 | Correct | 7 ms | 208 KB | Output is correct |
| 13 | Correct | 5 ms | 208 KB | Output is correct |
| 14 | Correct | 7 ms | 208 KB | Output is correct |
| 15 | Correct | 8 ms | 308 KB | Output is correct |
| 16 | Correct | 7 ms | 208 KB | Output is correct |
| 17 | Correct | 9 ms | 208 KB | Output is correct |
| 18 | Correct | 6 ms | 208 KB | Output is correct |
| 19 | Correct | 4 ms | 208 KB | Output is correct |
| 20 | Correct | 6 ms | 208 KB | Output is correct |
| 21 | Correct | 3 ms | 208 KB | Output is correct |
| 22 | Correct | 2 ms | 208 KB | Output is correct |
| 23 | Correct | 8 ms | 336 KB | Output is correct |
| 24 | Correct | 9 ms | 352 KB | Output is correct |
| 25 | Correct | 27 ms | 336 KB | Output is correct |
| 26 | Correct | 31 ms | 336 KB | Output is correct |
| 27 | Correct | 18 ms | 336 KB | Output is correct |
| 28 | Correct | 8 ms | 336 KB | Output is correct |
| 29 | Correct | 26 ms | 336 KB | Output is correct |
| 30 | Correct | 37 ms | 336 KB | Output is correct |
| 31 | Correct | 23 ms | 336 KB | Output is correct |
| 32 | Correct | 33 ms | 336 KB | Output is correct |
| 33 | Correct | 34 ms | 336 KB | Output is correct |
| 34 | Correct | 44 ms | 336 KB | Output is correct |
| 35 | Correct | 43 ms | 336 KB | Output is correct |
| 36 | Correct | 28 ms | 352 KB | Output is correct |
| 37 | Correct | 42 ms | 336 KB | Output is correct |
| 38 | Correct | 33 ms | 464 KB | Output is correct |
| 39 | Correct | 23 ms | 336 KB | Output is correct |
| 40 | Correct | 12 ms | 336 KB | Output is correct |
| 41 | Correct | 10 ms | 344 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 208 KB | Output is correct |
| 2 | Correct | 1 ms | 208 KB | Output is correct |
| 3 | Correct | 1 ms | 256 KB | Output is correct |
| 4 | Correct | 1 ms | 208 KB | Output is correct |
| 5 | Correct | 1 ms | 208 KB | Output is correct |
| 6 | Correct | 1 ms | 208 KB | Output is correct |
| 7 | Correct | 17 ms | 336 KB | Output is correct |
| 8 | Correct | 16 ms | 336 KB | Output is correct |
| 9 | Partially correct | 80 ms | 336 KB | Output is partially correct |
| 10 | Partially correct | 49 ms | 336 KB | Output is partially correct |
| 11 | Correct | 34 ms | 336 KB | Output is correct |
| 12 | Correct | 28 ms | 336 KB | Output is correct |
| 13 | Partially correct | 45 ms | 336 KB | Output is partially correct |
| 14 | Partially correct | 76 ms | 336 KB | Output is partially correct |
| 15 | Partially correct | 41 ms | 336 KB | Output is partially correct |
| 16 | Partially correct | 74 ms | 336 KB | Output is partially correct |
| 17 | Partially correct | 84 ms | 336 KB | Output is partially correct |
| 18 | Partially correct | 57 ms | 336 KB | Output is partially correct |
| 19 | Partially correct | 84 ms | 336 KB | Output is partially correct |
| 20 | Partially correct | 85 ms | 336 KB | Output is partially correct |
| 21 | Partially correct | 48 ms | 336 KB | Output is partially correct |
| 22 | Partially correct | 82 ms | 336 KB | Output is partially correct |
| 23 | Partially correct | 76 ms | 336 KB | Output is partially correct |
| 24 | Partially correct | 54 ms | 336 KB | Output is partially correct |
| 25 | Correct | 22 ms | 336 KB | Output is correct |
| 26 | Correct | 19 ms | 336 KB | Output is correct |
| 27 | Partially correct | 83 ms | 336 KB | Output is partially correct |
| 28 | Partially correct | 64 ms | 388 KB | Output is partially correct |
| 29 | Partially correct | 86 ms | 336 KB | Output is partially correct |
| 30 | Partially correct | 59 ms | 336 KB | Output is partially correct |
| 31 | Partially correct | 77 ms | 336 KB | Output is partially correct |
| 32 | Partially correct | 59 ms | 336 KB | Output is partially correct |
| 33 | Partially correct | 72 ms | 336 KB | Output is partially correct |
| 34 | Partially correct | 53 ms | 336 KB | Output is partially correct |
| 35 | Partially correct | 49 ms | 384 KB | Output is partially correct |
| 36 | Partially correct | 88 ms | 336 KB | Output is partially correct |
| 37 | Partially correct | 60 ms | 336 KB | Output is partially correct |
| 38 | Partially correct | 75 ms | 336 KB | Output is partially correct |
| 39 | Partially correct | 61 ms | 336 KB | Output is partially correct |
| 40 | Partially correct | 66 ms | 336 KB | Output is partially correct |
| 41 | Partially correct | 69 ms | 336 KB | Output is partially correct |
| 42 | Partially correct | 81 ms | 336 KB | Output is partially correct |
| 43 | Partially correct | 22 ms | 336 KB | Output is partially correct |
| 44 | Partially correct | 84 ms | 336 KB | Output is partially correct |
| 45 | Correct | 36 ms | 404 KB | Output is correct |
| 46 | Correct | 27 ms | 336 KB | Output is correct |
| 47 | Correct | 22 ms | 336 KB | Output is correct |
| 48 | Correct | 27 ms | 336 KB | Output is correct |