Shift operators

#1

i didn’t how we got the ans i.e. i understood how to write code but didn’t understand how we got the output please tell briefly?

#2

hi @sarthaks03
right shift operator, x >> 1, will basically shift all the bits in the binary representation by 1 to the right, and left shift operator, x << 1, will shift the bits 1 to the left
so for eg if x=5
then binary representation is : 101
if we do x << 2 then all bits should be shifted left by 2 places, making the number 10100 and when we translate it to decimal, it becomes 2^2 + 2^4 = 4+16 = 20

similarly for y = 7, its 111 in binary form
y >> 1 will shift all bits to right by 1, making the number 11 in binary, which is 3 in decimal form.

As a shortcut, you can remember that left shift operator, x << y will do x * 2^y
and the right shift operator, x >> y, will do x / 2^y

#3

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