PROBLEM LINK: CDVB2022/NCOINS
Author: madra
DIFFICULTY
Easy-Medium
PREREQUISITES
Hash maps
EXPLANATION
There is two approach to solve this question
method 1
- create an array as told in the question
- check every possible subset of array for the given sum
method 2
- using prefix sum technique in which we obtain the sum of all the input value and store it in map aur array and then check if the sum is equal to the given sum value then incrementing the values of the sum
SOLUTIONS
CPP: solution
JAVA: solution
Python: solution