Im not able to get any approach of this problem

#1

im not able to think how it is solved ,give me some hint to solve it .

#2

hello @mdhammad139
first of all u need to understand that we dont have any datatype that can accomdate such large number.
thats why u need to use some exisiting datastructure to store such big number.
array is the one that we can use.

for more details refer this -> link

#3

okay thanx…