Compilare: user.cpp: In function ‘int main()’: user.cpp:25:20: warning: unused variable ‘nr’ [-Wunused-variable] int n,p,x,min1,nr,max1,i; ^ user.cpp: In function ‘bool cmp(rr, rr)’: user.cpp:17:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:67:16: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<'\n'<<x; ^ user.cpp:36:8: warning: ‘sum’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<sum<<'\n'; ^