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C Programming :: Declarations and Initializations

7. What is the output of the following program ?

int main()
int x,y=2,z,a;
x = (y*=2) + (z=a=y);
printf ("%d", x);
return 0;

Answer: Option B

Explanation :

x = (y*=2) (z=a=y); Meaning of y*=2 means y=y*2 hence y value becomes 2*2=4. 

Current value of y =4 so z=a=y=4.

Hence x=4+4=8

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