Compilare: main.cpp: In function 'void citire()': main.cpp:13:9: warning: unused variable 'in' [-Wunused-variable] 13 | int in=0,x,y; | ^~ main.cpp: In function 'void euler(int)': main.cpp:25:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int i=1; i<L[k].size(); i++) | ~^~~~~~~~~~~~