Compilare: user.cpp: In function ‘void rez()’: user.cpp:52:9: warning: unused variable ‘nr_el’ [-Wunused-variable] int nr_el = k,minim,nrapp; ^ user.cpp:52:19: warning: unused variable ‘minim’ [-Wunused-variable] int nr_el = k,minim,nrapp; ^ user.cpp:52:25: warning: unused variable ‘nrapp’ [-Wunused-variable] int nr_el = k,minim,nrapp; ^ user.cpp:53:9: warning: unused variable ‘cnt’ [-Wunused-variable] int cnt,j = k,i; ^ user.cpp:53:13: warning: unused variable ‘j’ [-Wunused-variable] int cnt,j = k,i; ^ user.cpp:53:19: warning: unused variable ‘i’ [-Wunused-variable] int cnt,j = k,i; ^ user.cpp: In function ‘bool ok()’: user.cpp:44:22: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<"\n"<<r+1; ^