#include #include #include #include using namespace std; multiset smaller_values, greater_values; int n, k; void insert_value(int x) { int max_in_smaller_values = *smaller_values.rbegin(); if(max_in_smaller_values < x) { greater_values.insert(x); if(greater_values.size() > k / 2) { int min_in_greater = *greater_values.begin(); smaller_values.insert(min_in_greater); greater_values.erase(greater_values.find(min_in_greater)); } } else { smaller_values.insert(x); if(smaller_values.size() > (k + 1) / 2) { int tmp_max_in_smaller = *smaller_values.rbegin(); greater_values.insert(tmp_max_in_smaller); smaller_values.erase(smaller_values.find(tmp_max_in_smaller)); } } } void remove_element(int x) { if(greater_values.find(x) != greater_values.end()) { greater_values.erase(greater_values.find(x)); } else if(smaller_values.find(x) != smaller_values.end()) { smaller_values.erase(smaller_values.find(x)); } if(smaller_values.empty()) { int min_in_greater = *greater_values.begin(); smaller_values.insert(min_in_greater); greater_values.erase(greater_values.find(min_in_greater)); } } int main(){ ios_base::sync_with_stdio(false); cin >> n >> k; vector v(n); for(int i = 0; i < n; i++) { cin >> v[i]; } smaller_values.insert(v[0]); for(int i = 1; i < k; i++) { insert_value(v[i]); } cout << *smaller_values.rbegin() << " "; for(int i = k; i < n; i++) { if(k > 1) { remove_element(v[i - k]); insert_value(v[i]); } else { insert_value(v[i]); remove_element(v[i - k]); } cout << *smaller_values.rbegin() << " "; } return 0; }