Compilare: user.cpp: In function ‘int bfs()’: user.cpp:22:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(!viz[i]) ^ user.cpp: In function ‘void ek()’: user.cpp:48:35: warning: operation on ‘lg’ may be undefined [-Wsequence-point] {l[++lg]=abs(viz[l[lg-1]]); ^ user.cpp: In function ‘int main()’: user.cpp:67:9: warning: variable ‘cap1’ set but not used [-Wunused-but-set-variable] int cap1,cap2;cap1=cap2=0; ^