Compilare: user.cpp: In function ‘void cer1()’: user.cpp:11:9: warning: unused variable ‘el’ [-Wunused-variable] int el; ^ user.cpp: In function ‘int getMaxPoz(std::vector<int>)’: user.cpp:25:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<v.size();i++) ^ user.cpp: In function ‘void cer2()’: user.cpp:49:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pozB == 0 || pozB + 1 == nrBile.size()) { ^ user.cpp:67:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<culori.size();i++){ ^ user.cpp:45:14: warning: unused variable ‘bila’ [-Wunused-variable] int pozB,bila,nrEl; ^ user.cpp:45:19: warning: unused variable ‘nrEl’ [-Wunused-variable] int pozB,bila,nrEl; ^