Compilare: user.cpp: In function ‘int main()’: user.cpp:11:35: warning: unused variable ‘j’ [-Wunused-variable] int n,m,x,y,cost,i,min,suma=0,j,nr_de_muchii=0,q=1; ^ user.cpp:49:43: warning: ‘nod_mama’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[q].x=nod_nou;v[q].y=nod_mama;q++; ^ user.cpp:46:27: warning: ‘nod_nou’ may be used uninitialized in this function [-Wmaybe-uninitialized] viz[nod_nou]=1; ^