Question

What will be the output of the following C++ code?

#include<iostream>
using namespace std;
int main ()
{
   int cin;
   cin >> cin;
   cout << "cin: " << cin;
   return 0;
}

a) Segmentation fault
b) Nothing is printed
c) Error
d) cin: garbage value

Answer 1

Answer: d
Explanation: cin is a variable hence overrides the cin object. cin >> cin has no meaning so no error.