Hacker rank solutions - C#

Solutions for hacker rank challenges

30 days of code

Day	Problem	Solution	Difficulty
Day 0	Hello World	Hello World	Easy
Day 1	Data type	Data type	Easy
Day 2	Operator	Operator	Easy
Day 3	Conditional statement	Conditional statement	Easy
Day 4	Class vs Instance	Class vs Instance	Easy
Day 5	Loop	Loop	Easy
Day 6	Even Odd	Even Odd	Easy
Day 7	Arrays	Arrays	Easy
Day 8	Dictionary	Dictionary	Easy
Day 9	Recursion	Recursion	Easy
Day 10	Binary Number	Binary Number	Easy
Day 11	2d Array	2d Array	Easy
Day 12	Inheritance	Inheritance	Easy
Day 13	Abstract classes	[Abstract classes)()	Easy

Problem solving

Problem	Solution	Difficulty
Apple and oranges	Apple and oranges	Easy
Birthday cake candles	Birthday cake candles	Easy
Compare the triplets	Compare the triplets	Easy
Counting valleys and mountains	Counting valleys and mountains	Easy
Electronic shop	Electronic shop	Easy
Grading students	Grading students	Easy
Jumping on clouds	Jumping on clouds	Easy
Min max sum	Min max sum	Easy
Number line jump	Number line jump	Easy
Plus minus	Plus minus	Easy
Repeat string	Repeat string	Easy
Sales by match	Sales by match	Easy
Simple array sum	Simple array sum	Easy
Staircase	Staircase	Easy
Time conversion	Time conversion	Easy
Very big sum	Very big sum	Easy

Regular Expression

Problem	Solution	Difficulty
Detect the email addresses	Detect the email addresses	Medium
Detect Html links	Detect Html links	Medium
IP address validation	IP address validation	Easy
Split the phone numbers	Split the phone numbers	Easy
Valid pan format	Valid pan format	Easy
Hacker rank tweets	Hacker rank tweets	Easy

Functional programming

Title	Solution	Difficulty

Mathematics

Title	Solution	Difficulty

10 Days of Statistics

Title	Solution	Difficulty