Compilare: user.cpp: In function ‘int main()’: user.cpp:23:19: warning: unused variable ‘ca’ [-Wunused-variable] char c[130] , ca; ^ user.cpp:61:9: warning: unused variable ‘cam’ [-Wunused-variable] int cam=0; ^ user.cpp:96:18: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<o<<" "<<p<<" "<<supmax+1; ^ user.cpp:96:10: warning: ‘o’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<o<<" "<<p<<" "<<supmax+1; ^