Compilare: main.cpp: In function 'void build(int, int, int)': main.cpp:40:13: warning: unused variable 'fcsb' [-Wunused-variable] 40 | int fcsb = 1; | ^~~~ main.cpp:76:29: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 76 | while(candidates.size() > final_size) candidates.pop_back(); | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~