Compilare: main.cpp: In function 'int main()': main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 14 | while(s.size()<k){x=pq.top().first,v=pq.top().second,s.insert(x),pq.pop(),pq.push({x-v,v});} | ~~~~~~~~^~