what is the difference between C and C++? what is the difference between scanf and gets? what is mean by extern what is the use of it? what will happen if i say delete this> Difference between C structure and C++ structure? What is the difference between overloading and overridding? Explain the need for "virtual Destructor" Can we have "virtual Constructors"? What is the different types of polymorphism> What is virtual functions? How to implement virtual function in "C"? What are the different types of storage classes?

any one help me how the following program execute main() { int x=5; printf("%d %d %d",x,x<<3,x>>2); } //output : 5 40 1

create a C program, the .exe file of that program run system will reboot any one help me

Give the coding for system reboot in C