Compilare: user.cpp: In function ‘int main()’: user.cpp:16:9: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int ok,t=0,y,k,i=0,p,x,l,ok1,h; ^ user.cpp:16:16: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] int ok,t=0,y,k,i=0,p,x,l,ok1,h; ^ user.cpp:16:24: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] int ok,t=0,y,k,i=0,p,x,l,ok1,h; ^