#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
int min_cardinality(int N){
vector<int> v;
int now = 0;
int dif = 0;
auto add = [&](int x){
v.push_back(x);
move_inside(x);
now = press_button();
};
auto del = [&](){
move_outside(v.back());
v.pop_back();
now = press_button();
};
add(1);
dif = 1;
for(int i = 1;i<N;i++){
add(i);
if(now == 2){
del();
}
else dif++;
}
int last = 1;
int l = 1,r = N/dif;
while(l < r){
int m = (l + r + 1)/2;
while(v.size())
del();
for(int i = 0;i<N;i++){
if(find(v.begin(),v.end(),i) == v.end()){
add(i);
if(now > m)
del();
}
}
// if(last < m){
// for(int i = 0;i<N;i++){
// if(find(v.begin(),v.end(),i) == v.end()){
// add(i);
// if(now > m)
// del();
// }
// }
// }
// if(last > m){
// vector<int> tmp;
// while(now != m){
// tmp.push_back(v.back());
// del();
// }
// for(int i = 0;i<N;i++){
// if(find(tmp.begin(),tmp.end(),i) == tmp.end() && find(v.begin(),v.end(),i) == v.end()){
// add(i);
// if(now > m)
// del();
// }
// }
// }
last = m;
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:65:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
65 | if(v.size() == m * dif){
| ~~~~~~~~~^~~~~~~~~~
insects.cpp:28:6: warning: variable 'last' set but not used [-Wunused-but-set-variable]
28 | int last = 1;
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
208 KB |
Wrong answer. |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
208 KB |
Wrong answer. |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
208 KB |
Wrong answer. |
| 3 |
Halted |
0 ms |
0 KB |
- |
