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Priyanka works for an international toy company that ships by container. Her task is to the determine the lowest cost way to combine her orders for shipping. She has a list of item weights. The shipping company has a requirement that all items loaded in a container must weigh less
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Sherlock Holmes suspects his archenemy Professor Moriarty is once again plotting something diabolical. Sherlock's companion, Dr. Watson, suggests Moriarty may be responsible for MI6's recent issues with their supercomputer, The Beast. Shortly after resolving to investigate, Sherlock receives a note from Moriarty boasting about infecting The
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The median of a list of numbers is essentially it's middle element after sorting. The same number of elements occur after it as before. Given a list of numbers with an odd number of elements, can you find the median? For example, the median of is , the middle
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Numeros the Artist had two lists that were permutations of one another. He was very proud. Unfortunately, while transporting them from one exhibition to another, some numbers were lost out of the first list. Can you find the missing numbers? As an example, the array with some numbers missing, . The
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Sunny and Johnny like to pool their money and go to the ice cream parlor. Johnny never buys the same flavor that Sunny does. The only other rule they have is that they spend all of their money. Given a list of prices for the flavors of ice cream, select
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Watson gives Sherlock an array of integers. His challenge is to find an element of the array such that the sum of all elements to the left is equal to the sum of all elements to the right. For instance, given the array , is between two subarrays that sum to
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Dothraki are planning an attack to usurp King Robert's throne. King Robert learns of this conspiracy from Raven and plans to lock the single door through which the enemy can enter his kingdom. But, to lock the door he needs a key that is an anagram of a
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Julius Caesar protected his confidential information by encrypting it using a cipher. Caesar's cipher shifts each letter by a number of letters. If the shift takes you past the end of the alphabet, just rotate back to the front of the alphabet. In the case of a rotation
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Louise joined a social networking site to stay in touch with her friends. The signup page required her to input a name and a password. However, the password must be strong. The website considers a password to be strong if it satisfies the following criteria: * Its length is at least
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Sorting is useful as the first step in many different tasks. The most common task is to make finding things easier, but there are other uses as well. In this case, it will make it easier to determine which pair or pairs of elements have the smallest absolute difference between
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A numeric string, , is beautiful if it can be split into a sequence of two or more positive integers, , satisfying the following conditions: 1. for any (i.e., each element in the sequence is more than the previous element). 2. No contains a leading zero. For example, we can split
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A weighted string is a string of lowercase English letters where each letter has a weight. Character weights are to from to as shown below: We define the following terms: The weight of a string is the sum of the weights of all the string's characters. For example: