weeklychallenge
Task 2: Encrypted String: You are given a string $str and an integer $int. Write a script to encrypt the string using the algorithm — for each character $char in $str, replace $char with the $int th character after $char in the alphabet, wrapping if needed and return the encrypted string.
weeklychallenge
Task 1: Max Str Value: You are given an array of alphanumeric string, @strings. Write a script to find the max value of alphanumeric string in the given array. The numeric representation of the string, if it comprises of digits only otherwise length of the string. I'm going
weeklychallenge
Task 2: Binary Prefix: Given an array of 0s and 1s, return Booleans indicating whether each non-empty prefix of the array (shortest to longest) is divisible by 5 when interpreted as a binary number (highest bit first). Excellent, a problem involving arrays and math; what a great opportunity to use
weeklychallenge
Task 2: Nice Strings: You are given a string made up of lower and upper case English letters only. Write a script to return the longest substring of the give string which is nice. A string is nice if, for every letter of the alphabet that the string contains, it
weeklychallenge
Task 1: Counter Integers: You are given a string containing only lower case English letters and digits. Write a script to replace every non-digit character with a space and then return all the distinct integers left. The first part is easy. In Python:[1] new_string = string.translate({ c:'
weeklychallenge
Task 2: Good String: You are given a string made up of lower and upper case English letters only. Write a script to return the good string of the given string. A string is called good string if it doesn’t have two adjacent same characters, one in upper case
weeklychallenge
Task 1: Replace all ?: You are given a string containing only lower case English letters and ?. Write a script to replace all ? in the given string so that the string doesn’t contain consecutive repeating characters. This problem reminds me of a logic puzzle, figuring out all the possibilities and
weeklychallenge
Task 1: Missing Integers: You are given an array of n integers. Write a script to find all the missing integers in the range 1..n in the given array. Just offhand, I can think of several approaches to this problem: * loop over the range and for each number loop
weeklychallenge
Task 1: Day of the Year: You are given a date in the format YYYY-MM-DD. Write a script to find day number of the year that the given date represent. First of all, what calendar the date is in is not given, nor is a location to allow us to
weeklychallenge
Task 2: Final Price: You are given an array of item prices. Write a script to find out the final price of each items in the given array. There is a special discount scheme going on. If there’s an item with a lower or equal price later in the
weeklychallenge
Task 1: Consecutive One: You are given a binary array containing only 0 or/and 1. Write a script to find out the maximum consecutive 1 in the given array. A regex might be fun? Regexes can do so many tricks, maybe here too. Let's start with something
weeklychallenge
Task 1: You are given an array of integers and two integers $r amd $c. Write a script to create two dimension array having $r rows and $c columns using the given array. I'm sure there are modules to facilitate this, but I'm not sure any