Compilare: main.cpp: In function 'void euler(int)': main.cpp:21:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i < vecini[vecin_nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int i = 0; i < de_afisat.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~~~~~