What will be printed when this program is executed int f(int...

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Function

What will be printed when this program is executed?

int f(int x)
{
   if(x <= 4)
      return x;
   return f(--x);
}
void main()
{
   printf("%d ", f(7)); 
}

A) 4 5 6 7 B) 1 2 3 4 C) 4 D) Syntax error E) Runtime error

Answer & Solution

Correct Answer: Option C

In this recursive function call the function will return to main caller when the value of x is 4. Hence the output.

Question posted by Examveda

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2 Comments

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Prerna Sharma 4 years ago

I think its answer will printed 1 ,because if statement is wrong and compiler put by default value 1. So its answer will be printed 1.

Can anyone say the correct answer?

Mahipat Singh 5 years ago

can anyone explain me this queiton

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What will be printed when this program is executed int f(int...

What will be printed when this program is executed? int f(int x) { if(x <= 4) return x; return f(--x); } void main() { printf("%d ", f(7)); }

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Related Questions on Function

What will be printed when this program is executed?

`int f(int x) { if(x <= 4) return x; return f(--x); } void main() { printf("%d ", f(7)); }`