What is the output of the following program? #include int tmp=20; main( ) {…

2017

What is the output of the following program? 

#include 
int tmp=20;
main( )
{
printf("%d ",tmp);
func( );
printf("%d ",tmp);
}
func( )
{
static int tmp=10;
printf("%d ",tmp);
}

Answer: B. 20 10 20 — The output sequence is 20 10 20. The global variable tmp (initialized to 20) prints first in main. Inside func(), a static local variable tmp (initialized to…

  1. A.

    20 10 10

  2. B.

    20 10 20

  3. C.

    20 20 20

  4. D.

    10 10 10

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Correct answer: B

The output sequence is 20 10 20. The global variable tmp (initialized to 20) prints first in main. Inside func(), a static local variable tmp (initialized to 10) shadows the global one and prints 10. Control returns to main, printing the unchanged global tmp (20) again.

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