Why is one is added for finding a random variable in a specific range like

Question

for finding random variable within 8 we type cout code as cout>>1+rand()%8;

Answer 1

Note, this shifts the entire range +1 (0..7 becomes 1..8)

Answer 2

in case the remainder is 0 and you don't want it to be 0

Answer 3

thanks

Answer 4

what diff do we get if it is shifted or not

Answer 5

Hemanth without the +1 the range is 0 to 7, with it it's 1 to 8