Compilare: main.cpp: In function 'void coboara(int)': main.cpp:31:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | if (poz * 2 + 1 >= heapp.size()) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | if ((poz * 2 + 2 == heapp.size()) || fiu_st < heapp[poz * 2 + 2].val) { | ~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i=0;i< heapp.size();i++) | ~^~~~~~~~~~~~~~