1. #include 2. using namespace std; 3. namespace first 4. { 5. int var = 5; 6. } 7. namespace second 8. { 9. double var = 3.1416; 10. } 11. int main () 12. { 13. int a; 14. a = first::var + second::var; 15. cout
Options:
A .  8.31416
B .  8
C .  9
D .  compile time error
Answer: Option B
As we are getting two variables from namespace variable and we are adding that. Output: $ g++ name.cpp $ a.out 8
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