Compilare: user.cpp: In function ‘int main()’: user.cpp:15:23: warning: unused variable ‘difmax’ [-Wunused-variable] int n, a[100000], difmax = -1, k; ^ user.cpp: In function ‘int Vecini(int*, int, int)’: user.cpp:30:34: warning: unused variable ‘minim2’ [-Wunused-variable] int maxim = -1, maxim2 = -1, minim2 = 9999999; ^ user.cpp:41:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^