Compilare: main.cpp: In function 'void DFS_puncte_articulatie(int)': main.cpp:29:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void DFS_muchii_critice(int)': main.cpp:68:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void DFS_biconex(int)': main.cpp:113:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:144:65: warning: suggest parentheses around '&&' within '||' [-Wparentheses] } while (!st.empty() && !(a1==vecin_urmator && a2==nod || a1==nod && a2==vecin_urmator)); ~~~~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:106:9: warning: unused variable 'nr2' [-Wunused-variable] int nr2,vecin_urmator,a1,a2; ^~~