Find the Unique Combination of Sum From the Given Number in C# – Programming, Pseudocode Example, C# Programming Example

# Find the Unique Combination of Sum From the Given Number in C#

In this tutorial i’ll show you How to find the unique combination of sum from the given number C#.

Solution:

Create an output list to store the valid sequences, create a current list that will store the current sequence found in the path of the recursion tree. A backtrack function that will go into the recursion until the target is achieved, otherwise, it should backtrack to the previous phase as target becomes less than 0. At any point in time, if target becomes 0 then add the candidate array to the result as the values in the candidate array must be sum up to the given target.

If those are not the cases then, one by one add the elements in the candidate array and recursively move forward.

Say, the number is 5 so we need to find the numbers that forms 5. The output will be “1,4”,”2,3”,5. From the Output 014,.023 and 05 can be discarded

C# Code:

Output:

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