| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 831296 | 2023-08-20T04:02:53 Z | definitelynotmee | Rarest Insects (IOI22_insects) | C++17 | 89 ms | 580 KB |
#include "insects.h"
#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
using ll = long long;
using namespace std;
template<typename T>
using matrix = vector<vector<T>>;
struct Machine {
set<int> s;
void insert(int id){
s.insert(id);
move_inside(id);
}
void erase(int id){
s.erase(id);
move_outside(id);
}
int resp(){
return press_button();
}
void clear(){
auto it = s.begin();
while(it!=s.end()){
move_outside(*it);
it = s.erase(it);
}
}
};
int min_cardinality(int N) {
mt19937 rng(time(nullptr));
vector<int> dif;
vector<int> resto;
Machine m;
for(int i = 0; i < N; i++){
m.insert(i);
if(m.resp() == 1){
dif.push_back(i);
} else m.erase(i), resto.push_back(i);
}
shuffle(all(dif),rng);
shuffle(all(resto),rng);
m.clear();
if(dif.size() > sqrt(N)*0.25){
int ini = 1, fim = N/dif.size();
auto putless =[&](int mx){
for(int i : resto){
if(m.s.count(i))
continue;
m.insert(i);
if(m.resp() > mx)
m.erase(i);
}
};
int last = -1;
while(ini!=fim){
int mid = (fim-ini)*0.4+ini;
while(mid <= ini)
mid++;
// cerr << "mid = " << mid << '\n';
if(mid < last)
m.clear();
putless(mid-1);
bool ok = 1;
for(int i : dif){
m.insert(i);
ok&= m.resp() == mid;
m.erase(i);
}
if(ok)
ini = mid;
else fim = mid-1;
last = mid;
}
return ini;
} else {
vector<int> resp(resto.size());
int logg = log2(dif.size());
for(int k = 0; k <= logg; k++){
for(int i = 0; i < dif.size(); i++){
if((1<<k)&i){
if(!m.s.count(dif[i]))
m.insert(dif[i]);
} else {
if(m.s.count(dif[i]))
m.erase(dif[i]);
}
}
for(int i = 0; i < resto.size(); i++){
m.insert(resto[i]);
if(m.resp() == 2)
resp[i] |= 1<<k;
m.erase(resto[i]);
}
}
vector<int> ct(dif.size(), 1);
for(int i : resp)
ct[i]++;
return *min_element(all(ct));
}
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 208 KB | Output is correct |
| 2 | Correct | 0 ms | 208 KB | Output is correct |
| 3 | Correct | 0 ms | 208 KB | Output is correct |
| 4 | Correct | 0 ms | 208 KB | Output is correct |
| 5 | Correct | 1 ms | 208 KB | Output is correct |
| 6 | Correct | 4 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 | 9 ms | 208 KB | Output is correct |
| 10 | Correct | 5 ms | 208 KB | Output is correct |
| 11 | Correct | 2 ms | 208 KB | Output is correct |
| 12 | Correct | 9 ms | 208 KB | Output is correct |
| 13 | Correct | 6 ms | 208 KB | Output is correct |
| 14 | Correct | 8 ms | 300 KB | Output is correct |
| 15 | Correct | 5 ms | 208 KB | Output is correct |
| 16 | Correct | 5 ms | 304 KB | Output is correct |
| 17 | Correct | 6 ms | 304 KB | Output is correct |
| 18 | Correct | 9 ms | 304 KB | Output is correct |
| 19 | Correct | 7 ms | 208 KB | Output is correct |
| 20 | Correct | 2 ms | 208 KB | Output is correct |
| 21 | Correct | 5 ms | 300 KB | Output is correct |
| 22 | Correct | 1 ms | 300 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 208 KB | Output is correct |
| 2 | Correct | 0 ms | 208 KB | Output is correct |
| 3 | Correct | 0 ms | 208 KB | Output is correct |
| 4 | Correct | 0 ms | 208 KB | Output is correct |
| 5 | Correct | 1 ms | 208 KB | Output is correct |
| 6 | Correct | 4 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 | 9 ms | 208 KB | Output is correct |
| 10 | Correct | 5 ms | 208 KB | Output is correct |
| 11 | Correct | 2 ms | 208 KB | Output is correct |
| 12 | Correct | 9 ms | 208 KB | Output is correct |
| 13 | Correct | 6 ms | 208 KB | Output is correct |
| 14 | Correct | 8 ms | 300 KB | Output is correct |
| 15 | Correct | 5 ms | 208 KB | Output is correct |
| 16 | Correct | 5 ms | 304 KB | Output is correct |
| 17 | Correct | 6 ms | 304 KB | Output is correct |
| 18 | Correct | 9 ms | 304 KB | Output is correct |
| 19 | Correct | 7 ms | 208 KB | Output is correct |
| 20 | Correct | 2 ms | 208 KB | Output is correct |
| 21 | Correct | 5 ms | 300 KB | Output is correct |
| 22 | Correct | 1 ms | 300 KB | Output is correct |
| 23 | Correct | 15 ms | 312 KB | Output is correct |
| 24 | Correct | 12 ms | 324 KB | Output is correct |
| 25 | Correct | 24 ms | 308 KB | Output is correct |
| 26 | Correct | 27 ms | 312 KB | Output is correct |
| 27 | Correct | 27 ms | 312 KB | Output is correct |
| 28 | Correct | 9 ms | 316 KB | Output is correct |
| 29 | Correct | 33 ms | 304 KB | Output is correct |
| 30 | Correct | 35 ms | 304 KB | Output is correct |
| 31 | Correct | 26 ms | 336 KB | Output is correct |
| 32 | Correct | 40 ms | 312 KB | Output is correct |
| 33 | Correct | 43 ms | 308 KB | Output is correct |
| 34 | Correct | 42 ms | 320 KB | Output is correct |
| 35 | Correct | 35 ms | 300 KB | Output is correct |
| 36 | Correct | 26 ms | 312 KB | Output is correct |
| 37 | Correct | 34 ms | 312 KB | Output is correct |
| 38 | Correct | 23 ms | 308 KB | Output is correct |
| 39 | Correct | 15 ms | 316 KB | Output is correct |
| 40 | Correct | 13 ms | 208 KB | Output is correct |
| 41 | Correct | 9 ms | 324 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 208 KB | Output is correct |
| 2 | Correct | 0 ms | 208 KB | Output is correct |
| 3 | Correct | 0 ms | 208 KB | Output is correct |
| 4 | Correct | 0 ms | 208 KB | Output is correct |
| 5 | Correct | 0 ms | 208 KB | Output is correct |
| 6 | Partially correct | 1 ms | 208 KB | Output is partially correct |
| 7 | Correct | 15 ms | 320 KB | Output is correct |
| 8 | Correct | 14 ms | 336 KB | Output is correct |
| 9 | Partially correct | 36 ms | 372 KB | Output is partially correct |
| 10 | Partially correct | 71 ms | 348 KB | Output is partially correct |
| 11 | Correct | 49 ms | 312 KB | Output is correct |
| 12 | Correct | 20 ms | 436 KB | Output is correct |
| 13 | Partially correct | 57 ms | 300 KB | Output is partially correct |
| 14 | Partially correct | 52 ms | 316 KB | Output is partially correct |
| 15 | Partially correct | 43 ms | 308 KB | Output is partially correct |
| 16 | Partially correct | 60 ms | 304 KB | Output is partially correct |
| 17 | Partially correct | 89 ms | 296 KB | Output is partially correct |
| 18 | Partially correct | 67 ms | 336 KB | Output is partially correct |
| 19 | Partially correct | 88 ms | 460 KB | Output is partially correct |
| 20 | Partially correct | 58 ms | 328 KB | Output is partially correct |
| 21 | Partially correct | 68 ms | 328 KB | Output is partially correct |
| 22 | Partially correct | 80 ms | 304 KB | Output is partially correct |
| 23 | Correct | 54 ms | 308 KB | Output is correct |
| 24 | Correct | 25 ms | 336 KB | Output is correct |
| 25 | Correct | 22 ms | 336 KB | Output is correct |
| 26 | Correct | 14 ms | 348 KB | Output is correct |
| 27 | Partially correct | 47 ms | 328 KB | Output is partially correct |
| 28 | Partially correct | 66 ms | 328 KB | Output is partially correct |
| 29 | Partially correct | 71 ms | 308 KB | Output is partially correct |
| 30 | Partially correct | 45 ms | 324 KB | Output is partially correct |
| 31 | Partially correct | 55 ms | 316 KB | Output is partially correct |
| 32 | Partially correct | 51 ms | 328 KB | Output is partially correct |
| 33 | Partially correct | 50 ms | 316 KB | Output is partially correct |
| 34 | Partially correct | 49 ms | 316 KB | Output is partially correct |
| 35 | Partially correct | 68 ms | 300 KB | Output is partially correct |
| 36 | Partially correct | 54 ms | 580 KB | Output is partially correct |
| 37 | Partially correct | 72 ms | 304 KB | Output is partially correct |
| 38 | Partially correct | 78 ms | 320 KB | Output is partially correct |
| 39 | Partially correct | 43 ms | 364 KB | Output is partially correct |
| 40 | Partially correct | 59 ms | 432 KB | Output is partially correct |
| 41 | Partially correct | 57 ms | 324 KB | Output is partially correct |
| 42 | Partially correct | 73 ms | 304 KB | Output is partially correct |
| 43 | Partially correct | 18 ms | 208 KB | Output is partially correct |
| 44 | Partially correct | 55 ms | 308 KB | Output is partially correct |
| 45 | Correct | 49 ms | 308 KB | Output is correct |
| 46 | Correct | 29 ms | 304 KB | Output is correct |
| 47 | Correct | 26 ms | 352 KB | Output is correct |
| 48 | Correct | 33 ms | 328 KB | Output is correct |