#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
int min_cardinality(int N){
mt19937 rng(chrono::steady_clock().now().time_since_epoch().count());
vector<int> ord;
for(int i = 0;i<N;i++){
ord.push_back(i);
}
shuffle(ord.begin(),ord.end(),rng);
vector<int> v;
int now = 0;
int dif = 0;
auto add = [&](int x){
v.push_back(x);
move_inside(ord[x]);
now = press_button();
};
auto del = [&](){
move_outside(ord[v.back()]);
v.pop_back();
now = press_button();
};
auto del2 = [&](){
move_outside(ord[v.back()]);
v.pop_back();
now--;
};
auto del3 = [&](){
move_outside(ord[v.back()]);
v.pop_back();
};
add(0);
dif = 1;
for(int i = 1;i<N;i++){
add(i);
if(now == 2){
del2();
}
else dif++;
}
if(dif == 1)
return N;
if(dif == 2){
for(int i = 0;i<N;i++){
if(find(v.begin(),v.end(),i) == v.end()){
add(i);
}
}
return N - now;
}
if(N/dif > (1<<5) && dif <= 9){
vector<bool> found(N,0);
int mini = 1e9;
for(int i = 0;i<N;i++){
if(found[i] == 0){
while(v.size())
del2();
now = 0;
int cnt = 0;
for(int j = 0;j<N;j++){
if(found[j])continue;
add(j);
if(now != cnt + 1){
del3();
}
else{
found[j] = 1;
cnt++;
}
}
mini = min(mini,cnt);
}
}
return mini;
}
int l = 1,r = N/dif;
while(l < r){
int m = (l + r + 1)/2;
int tmp = now;
press_button();
assert(now == tmp);
if(now < m){
for(int i = 0;i<N;i++){
if(v.size() == m * dif || v.size() + N - i < m * dif)
break;
if(find(v.begin(),v.end(),i) == v.end()){
add(i);
if(now > m)
del2();
}
}
}
else{
while(now > m){
del();
}
for(int i = 0;i<N;i++){
if(v.size() == m * dif || v.size() + N - i < m * dif)
break;
if(find(v.begin(),v.end(),i) == v.end()){
add(i);
if(now > m)
del2();
}
}
}
if(v.size() == m * dif){
l = m;
}
else r = m -1;
}
return l;
}
Compilation message
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:86:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
86 | if(v.size() == m * dif || v.size() + N - i < m * dif)
| ~~~~~~~~~^~~~~~~~~~
insects.cpp:86:48: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
86 | if(v.size() == m * dif || v.size() + N - i < m * dif)
| ~~~~~~~~~~~~~~~~~^~~~~~~~~
insects.cpp:100:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
100 | if(v.size() == m * dif || v.size() + N - i < m * dif)
| ~~~~~~~~~^~~~~~~~~~
insects.cpp:100:48: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
100 | if(v.size() == m * dif || v.size() + N - i < m * dif)
| ~~~~~~~~~~~~~~~~~^~~~~~~~~
insects.cpp:109:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
109 | if(v.size() == m * dif){
| ~~~~~~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
| 6 |
Correct |
2 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 |
6 ms |
208 KB |
Output is correct |
| 11 |
Correct |
4 ms |
208 KB |
Output is correct |
| 12 |
Correct |
10 ms |
208 KB |
Output is correct |
| 13 |
Correct |
6 ms |
208 KB |
Output is correct |
| 14 |
Correct |
4 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
208 KB |
Output is correct |
| 16 |
Correct |
5 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
9 ms |
208 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
1 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
| 6 |
Correct |
2 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 |
6 ms |
208 KB |
Output is correct |
| 11 |
Correct |
4 ms |
208 KB |
Output is correct |
| 12 |
Correct |
10 ms |
208 KB |
Output is correct |
| 13 |
Correct |
6 ms |
208 KB |
Output is correct |
| 14 |
Correct |
4 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
208 KB |
Output is correct |
| 16 |
Correct |
5 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
9 ms |
208 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
1 ms |
208 KB |
Output is correct |
| 23 |
Correct |
10 ms |
208 KB |
Output is correct |
| 24 |
Correct |
7 ms |
316 KB |
Output is correct |
| 25 |
Correct |
21 ms |
208 KB |
Output is correct |
| 26 |
Correct |
27 ms |
208 KB |
Output is correct |
| 27 |
Correct |
19 ms |
292 KB |
Output is correct |
| 28 |
Correct |
7 ms |
208 KB |
Output is correct |
| 29 |
Correct |
24 ms |
208 KB |
Output is correct |
| 30 |
Correct |
52 ms |
208 KB |
Output is correct |
| 31 |
Correct |
37 ms |
208 KB |
Output is correct |
| 32 |
Correct |
42 ms |
208 KB |
Output is correct |
| 33 |
Correct |
25 ms |
288 KB |
Output is correct |
| 34 |
Correct |
16 ms |
208 KB |
Output is correct |
| 35 |
Correct |
24 ms |
288 KB |
Output is correct |
| 36 |
Correct |
29 ms |
208 KB |
Output is correct |
| 37 |
Correct |
29 ms |
208 KB |
Output is correct |
| 38 |
Correct |
21 ms |
208 KB |
Output is correct |
| 39 |
Correct |
27 ms |
208 KB |
Output is correct |
| 40 |
Correct |
8 ms |
208 KB |
Output is correct |
| 41 |
Correct |
10 ms |
208 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 |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
0 ms |
208 KB |
Output is correct |
| 6 |
Correct |
0 ms |
208 KB |
Output is correct |
| 7 |
Correct |
13 ms |
208 KB |
Output is correct |
| 8 |
Correct |
15 ms |
316 KB |
Output is correct |
| 9 |
Correct |
41 ms |
208 KB |
Output is correct |
| 10 |
Partially correct |
74 ms |
208 KB |
Output is partially correct |
| 11 |
Correct |
30 ms |
208 KB |
Output is correct |
| 12 |
Correct |
21 ms |
316 KB |
Output is correct |
| 13 |
Partially correct |
34 ms |
300 KB |
Output is partially correct |
| 14 |
Partially correct |
87 ms |
292 KB |
Output is partially correct |
| 15 |
Partially correct |
70 ms |
208 KB |
Output is partially correct |
| 16 |
Partially correct |
66 ms |
296 KB |
Output is partially correct |
| 17 |
Correct |
40 ms |
208 KB |
Output is correct |
| 18 |
Correct |
33 ms |
208 KB |
Output is correct |
| 19 |
Partially correct |
57 ms |
208 KB |
Output is partially correct |
| 20 |
Partially correct |
43 ms |
208 KB |
Output is partially correct |
| 21 |
Partially correct |
56 ms |
300 KB |
Output is partially correct |
| 22 |
Partially correct |
52 ms |
208 KB |
Output is partially correct |
| 23 |
Partially correct |
75 ms |
208 KB |
Output is partially correct |
| 24 |
Correct |
48 ms |
292 KB |
Output is correct |
| 25 |
Correct |
26 ms |
312 KB |
Output is correct |
| 26 |
Correct |
18 ms |
312 KB |
Output is correct |
| 27 |
Correct |
39 ms |
208 KB |
Output is correct |
| 28 |
Correct |
39 ms |
296 KB |
Output is correct |
| 29 |
Correct |
31 ms |
300 KB |
Output is correct |
| 30 |
Correct |
20 ms |
292 KB |
Output is correct |
| 31 |
Partially correct |
64 ms |
296 KB |
Output is partially correct |
| 32 |
Partially correct |
43 ms |
300 KB |
Output is partially correct |
| 33 |
Partially correct |
82 ms |
296 KB |
Output is partially correct |
| 34 |
Partially correct |
88 ms |
208 KB |
Output is partially correct |
| 35 |
Correct |
33 ms |
304 KB |
Output is correct |
| 36 |
Correct |
47 ms |
208 KB |
Output is correct |
| 37 |
Partially correct |
79 ms |
296 KB |
Output is partially correct |
| 38 |
Partially correct |
59 ms |
208 KB |
Output is partially correct |
| 39 |
Correct |
25 ms |
208 KB |
Output is correct |
| 40 |
Correct |
37 ms |
208 KB |
Output is correct |
| 41 |
Correct |
49 ms |
208 KB |
Output is correct |
| 42 |
Correct |
41 ms |
208 KB |
Output is correct |
| 43 |
Correct |
12 ms |
208 KB |
Output is correct |
| 44 |
Correct |
26 ms |
300 KB |
Output is correct |
| 45 |
Correct |
26 ms |
208 KB |
Output is correct |
| 46 |
Correct |
19 ms |
208 KB |
Output is correct |
| 47 |
Correct |
22 ms |
208 KB |
Output is correct |
| 48 |
Correct |
22 ms |
312 KB |
Output is correct |
