Resolution of Codeeval challenges

#Structure

• Challenge description in /docs
• Code PHP in /codes/php
• Code JAVA in /codes/java
• Code JavaScript in /codes/js
• Data for testing in /datas

#Launch Execute challenge PHP from root dir

#challenge without data
php codes/php/ChallengeName.php

#challenge with data
php codes/php/ChallengeName.php datas/ChallengeName.txt

#List of challenges solved

• Fizz Buzz : A simple game involving divisibility tests.
• Prime Palindrome : Biggest prime palindrome < 1000.
• Sum of Primes : Sum of first 1000 primes.
• Reverse words : Reversing an input sequence of words.
• Multiples of a Number : Multiples of a number greater than another number.
• Bit Positions : Bits in position x,y are same or different.
• Lowercase : Lowercase text
• Sum of Digits : Sum of digits comprising a number
• Fibonacci Series : Print out the nth fibonacci number
• Multiplication Tables : Print out the grade school multiplication table up to 12*12
• Sum of Integers from File : Print the sum of integers read from a file.
• Odd Numbers : Print the odd numbers from 1 to 99.
• File Size : Print the file size in bytes.
• Unique Elements : Extract unique list from a sorted list of numbers.
• Set Intersection : Print the intersection of two sets of numbers.
• Rightmost Char : Print the position of the rightmost occurrence of a char.
• Happy Numbers : Determine if a number is a happy number or not
• Self Describing Numbers : Determine if a number is a self-describing number or not
• N Mod M : Determine the modulus (without the modulus operator).
• Hex to Decimal : Convert a hex number to it's decimal equivalent.
• Armstrong Numbers : Determine if a number is an armstrong number.
• Beautiful Strings : Facebook Hacker Cup 2013 problem.
• Simple Sorting : Sort several numbers
• Penultimate Word : Find the next-to-last word
• Capitalize Words : Capitalize words in a sentence
• Swap Case : Swap case in a string
• Find a Writer : Find a famous writer in a string
• Calculate Distance : Calculate a distance between two points
• Even Numbers : Determine if a number is even or not
• JSON menu IDs : Calculate IDs in JSON menu
• Lowest Unique Number : Find the lowest unique number in a set
• Word to Digit : Substitute words to digits
• Roman Numerals : Convert a cardinal number to a Roman numeral
• Shortest Repetition : Find the shortest repetition in a string
• Longest Word : Get the longest word in a sentence
• Swap Elements : Swap elements in a list
• Multiply Lists : Multiply elements in 2 lists
• Mixed Content : Separate words with digits
• Morse Code : Decode Morse code
• Hidden Digits : Try to look behind the scenes
• Road Trip : Do not be left without petrol
• Compressed Sequence : Write a program that compresses a sequence of numbers
• Split The Number : Evaluate the number according to the pattern
• Age distribution : Print out where the person is.
• Slang Flavor : Add some slang to the text.
• Knight Moves : Find positions for the next move of the knight.
• String mask : Change case letters by mask
• Remove Characters : Delete specific characters from a string
• Email Validation : Write a regular expression to validate an email address
• Prime Numbers : Print prime numbers less than N
• Column Names : Convert integer to excel-style column name

#Contributor

My profil at CodeEval