Compilare: user.cpp: In function ‘bool cuplaj(const int&)’: user.cpp:138:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i ++) ^ user.cpp:148:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i ++) ^ user.cpp: In function ‘bool verif(const double&)’: user.cpp:189:24: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if(Left[i] == 0 & cuplaj(i)) ^