Compilare: main.cpp: In function 'int main()': main.cpp:62:8: warning: the address of 'bool is_eulerian()' will never be NULL [-Waddress] 62 | if(is_eulerian){ | ^~~~~~~~~~~ main.cpp:38:6: note: 'bool is_eulerian()' declared here 38 | bool is_eulerian(){ | ^~~~~~~~~~~ main.cpp:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=0;i<ciclu.size()-1;i++){ | ~^~~~~~~~~~~~~~~