use explicit std:: qualification. : NameSpace « Language « C++

1. C++
2. Language
3. NameSpace

use explicit std:: qualification.

 

#include <iostream>

int main()
{
  double val;

  std::cout << "Enter a number: ";

  std::cin >> val;

  std::cout << "This is your number: ";
  std::cout << val;

  return 0;
}


           
         
  

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