New concept to apply sieve with dynamic programming in IGNI2018

breaks
dynamic-programming
igni2018
prefix-sum
prime

#1

editorial link::https://discuss.codechef.com/questions/125252/debnprm-editorial

question link::https://www.codechef.com/problems/DEBNPRM

contest link:: https://www.codechef.com/IGNI2018