Compilare: main.cpp: In function 'void Euler(int)': main.cpp:32:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | while(ind[nod] < L[nod].size()) { | ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void Solution()': main.cpp:120:9: warning: variable 'x' set but not used [-Wunused-but-set-variable] 120 | int x = y = -1; | ^