Compilare: user.cpp: In function ‘int main()’: user.cpp:9:28: warning: unused variable ‘l’ [-Wunused-variable] int n,i,k,gigel=0,minn,l,a,b; ^ user.cpp:17:18: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[i]=a; ^ user.cpp:18:18: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[k]=b; ^