Compilare: main.cpp: In function 'void coboara(int)': main.cpp:33:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if (poz * 2 + 1 >= heapp.size()) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | if ((poz * 2 + 2 == heapp.size()) || fiu_st < heapp[poz * 2 + 2].val) { | ~~~~~~~~~~~~^~~~~~~~~~~~~~~