Compilare: user.cpp: In function ‘int main()’: user.cpp:33:23: warning: unused variable ‘r’ [-Wunused-variable] int m,n,i,j,e=0,a,r,maxim=0,poz,produs=1; ^ user.cpp:33:25: warning: unused variable ‘maxim’ [-Wunused-variable] int m,n,i,j,e=0,a,r,maxim=0,poz,produs=1; ^ user.cpp:33:33: warning: unused variable ‘poz’ [-Wunused-variable] int m,n,i,j,e=0,a,r,maxim=0,poz,produs=1; ^ user.cpp:33:37: warning: unused variable ‘produs’ [-Wunused-variable] int m,n,i,j,e=0,a,r,maxim=0,poz,produs=1; ^ user.cpp:34:12: warning: unused variable ‘c’ [-Wunused-variable] double c,start,stop; ^ user.cpp:34:14: warning: variable ‘start’ set but not used [-Wunused-but-set-variable] double c,start,stop; ^ user.cpp:34:20: warning: unused variable ‘stop’ [-Wunused-variable] double c,start,stop; ^