Compilare: main.cpp: In function 'void citire()': main.cpp:16:9: warning: unused variable 'in' [-Wunused-variable] 16 | int in=0,x,y; | ^~ main.cpp: In function 'void DFS(int)': main.cpp:34:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(j=0;j<L[k].size();j++) | ~^~~~~~~~~~~~ main.cpp: In function 'void euler(int)': main.cpp:60:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(i=0; i<L[k].size(); i++) | ~^~~~~~~~~~~~