#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define INF 1000000000
int n, p, q;
vector<int> a;
int main(){
cin>>n>>p>>q;
a.resize(n + 1);
for (int i = 1; i <= n; i++){
cin>>a[i];
}
set<vector<int>> s;
for (int i = 1; i <= n; i++){
s.insert({a[i], a[i]});
}
vector<int> fi, se;
while (s.size() > p + q){
fi = {0, 0}, se = {1000000000, 1000000000};
auto it = s.begin();
while(it != s.end()){
auto ne = next(it);
if (ne != s.end()){
if (ne->at(0) - it->at(1) < se[0] - fi[1]){
fi = *it;
se = *ne;
}
}
it = ne;
}
vector<int> fu = {fi[0], se[1]};
s.erase(fi);
s.erase(se);
s.insert(fu);
}
vector<int> fin;
for (auto el : s){
fin.push_back(el[1] - el[0] + 1);
}
sort(fin.begin(), fin.end());
reverse(fin.begin(), fin.end());
int ans = 0;
for (int i = 0; i < p + q; i++){
if (i < q){
ans = max(ans, int(ceil(double(fin[i]) / (double)2)));
}
else{
ans = max(ans, fin[i]);
}
}
cout<<ans;
}
Compilation message
watching.cpp: In function 'int main()':
watching.cpp:18:21: warning: comparison of integer expressions of different signedness: 'std::set<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
18 | while (s.size() > p + q){
| ~~~~~~~~~^~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
14 ms |
644 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
