Fast count -my is not working

#1

code- https://ide.codingblocks.com/s/234106

#2

hello @anubhavb11
image

update ur n as well.
n should be
n=n&i;
i=n-1;

#3

code- https://ide.codingblocks.com/s/234202
still not working for digits like 1, 2

#4
#5

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