Compilare: user.cpp: In function ‘void citire()’: user.cpp:13:9: warning: unused variable ‘val’ [-Wunused-variable] prb val; ^ user.cpp: In function ‘void parcurgere(int)’: user.cpp:26:9: warning: unused variable ‘i’ [-Wunused-variable] int i,pp,a=g[x].size(),fiu; ^ user.cpp:26:11: warning: variable ‘pp’ set but not used [-Wunused-but-set-variable] int i,pp,a=g[x].size(),fiu; ^ user.cpp: In function ‘int main()’: user.cpp:42:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,nd; ^ user.cpp:42:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,nd; ^