22### This repository contains various coding challenges taken on Sites like HackerRank, LeetCode etc.
33
44## Challenge #1
5- #### Write a function that evaluates an expression written in Prefix Notiation and returrns a value
5+ ### Write a function that evaluates an expression written in Prefix Notiation and returrns a value
66
7- ##### Problem Statement:
7+ #### Problem Statement:
88
99Prefix notation (also known as polish notation) is an alternative to the more familier infix notation.
1010
@@ -49,7 +49,7 @@ expression: + 10 x
4949variables {"x":3}
5050value: 13
5151```
52- ##### Task
52+ #### Task
5353
5454Implement a function CalculateExpression(expression,variables)
5555that takes as inputs:
@@ -66,7 +66,7 @@ The only accepted numeric operands aer positive integers in base 10 (e.g 1,22, 8
6666
6767A valid variable name is any sequence of characters that doesn't include whitespaces(spaces,tabs, newlines, etc).
6868
69- ##### Examples
69+ #### Examples
7070
7171```
7272Expression: + 1 5
@@ -125,7 +125,7 @@ variables: {"x":1,"y":3}
125125result: 9
126126```
127127
128- ##### Solution: CodingChallenge.HackerRank/PrefixNotation.cs
129- ##### Test Cases : CodingChallenge.Tests/UT_PrefixNotation.cs
130- 128+ #### Solution: CodingChallenge.HackerRank/PrefixNotation.cs
129+ #### Test Cases : CodingChallenge.Tests/UT_PrefixNotation.cs
130+ ![ alt text ] https://github.com/csehammad/CodingProblems/blob/main/CodingChallenge.Tests/IMG_PrefixNotation.png?raw=true )
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