Compilare: user.cpp: In function ‘int main()’: user.cpp:36:22: warning: unused variable ‘mij’ [-Wunused-variable] long pos1,pos2,x,mij,nr=0,mij2; ^ user.cpp:36:26: warning: unused variable ‘nr’ [-Wunused-variable] long pos1,pos2,x,mij,nr=0,mij2; ^ user.cpp:36:31: warning: unused variable ‘mij2’ [-Wunused-variable] long pos1,pos2,x,mij,nr=0,mij2; ^ user.cpp:37:9: warning: unused variable ‘ok’ [-Wunused-variable] int ok; ^ user.cpp:53:9: warning: unused variable ‘step’ [-Wunused-variable] int step,i; ^ user.cpp:53:14: warning: unused variable ‘i’ [-Wunused-variable] int step,i; ^