Compilare: user.cpp: In function ‘int main()’: user.cpp:27:15: warning: statement has no effect [-Wunused-value] sc+-v[i]; ^ user.cpp:12:19: warning: variable ‘pmin’ set but not used [-Wunused-but-set-variable] int n,i,j,m,k,pmin=0,pmax=1,smin,pc=1,sc=0,p=1; ^ user.cpp:12:26: warning: variable ‘pmax’ set but not used [-Wunused-but-set-variable] int n,i,j,m,k,pmin=0,pmax=1,smin,pc=1,sc=0,p=1; ^ user.cpp:12:48: warning: unused variable ‘p’ [-Wunused-variable] int n,i,j,m,k,pmin=0,pmax=1,smin,pc=1,sc=0,p=1; ^