Compilare: user.cpp: In function ‘int main()’: user.cpp:9:9: warning: unused variable ‘x’ [-Wunused-variable] int x; ^ user.cpp:14:36: warning: unused variable ‘ok’ [-Wunused-variable] int p1=1,p2=1,a,b,best=INT_MIN,ok=0; ^ user.cpp:30:16: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<a<<" "<<b<<" "<<best; ^ user.cpp:30:8: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<a<<" "<<b<<" "<<best; ^