Compilare: main.cpp: In function 'void coborare(int)': main.cpp:29:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | if (ptr * 2 + 2 < hip.size()) | ~~~~~~~~~~~~^~~~~~~~~~~~ main.cpp:43:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | else if (ptr * 2 +1 < hip.size()) | ~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:17: warning: unused variable 'cuc' [-Wunused-variable] 63 | int cuc = 4; | ^~~