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Aerith is playing a cloud hopping game. In this game, there are sequentially numbered clouds that can be thunderheads or cumulus clouds. Her character must jump from cloud to cloud until it reaches the start again. To play, Aerith is given an array of clouds, and an energy level . She
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HackerLand Enterprise is adopting a new viral advertising strategy. When they launch a new product, they advertise it to exactly people on social media. On the first day, half of those people (i.e., ) like the advertisement and each shares it with of their friends. At the beginning of the
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When you select a contiguous block of text in a PDF viewer, the selection is highlighted with a blue rectangle. In this PDF viewer, each word is highlighted independently. For example: In this challenge, you will be given a list of letter heights in the alphabet and a string. Using
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Dan is playing a video game in which his character competes in a hurdle race. Hurdles are of varying heights, and Dan has a maximum height he can jump. There is a magic potion he can take that will increase his maximum height by unit for each dose. How many
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Gary is an avid hiker. He tracks his hikes meticulously, paying close attention to small details like topography. During his last hike he took exactly steps. For every step he took, he noted if it was an uphill, , or a downhill, step. Gary's hikes start and end at
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In this challenge, the task is to debug the existing code to successfully execute all provided test files. Given two strings consisting of digits 0 and 1 only, find the XOR of the two strings. To know more about XOR Click Here Debug the given function strings_xor to find
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In this challenge, the task is to debug the existing code to successfully execute all provided test files. A number is called a smart number if it has an odd number of factors. Given some numbers, find whether they are smart numbers or not. Debug the given function is_smart_
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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