Programming Challenges - How to be a breathtaking Programmer

2021-11-18 22:12:58 Preparing for a coding interview? Join Algochallenges. One algorithm question every day with an explanation Open / Comment

2021-11-16 10:52:00 Open / Comment

2021-11-12 10:13:27 VOWEL
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Write a function that takes in a string and for each character, returns the distance to the nearest vowel in the string. If the character is a vowel itself, return 0.
Examples

distanceToNearestVowel("aaaaa") ➞ [0, 0, 0, 0, 0]

distanceToNearestVowel("babbb") ➞ [1, 0, 1, 2, 3]

distanceToNearestVowel("abcdabcd") ➞ [0, 1, 2, 1, 0, 1, 2, 3]

distanceToNearestVowel("shopper") ➞ [2, 1, 0, 1, 1, 0, 1]

All input strings will contain at least one vowel.
Strings will be lowercased.
Vowels are: a, e, i, o, u.

+=========+
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2021-11-10 00:06:08 LAND IN SIGHT
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The function is given a map with 1 representing land, 0 representing water. A land cell can have four neighbors along its edges. Compute the total perimeter of shore-lines that are defined by land cells touching water or the outer edges of the map. Each cell edge has a length equal to 1. An isolated cell without neighbors has a total perimeter length of 4.
Examples

islandsPerimeter([
[0, 1, 0, 0],
[1, 1, 1, 0],
[0, 1, 0, 0],
[1, 1, 0, 0]
]) ➞ 16

islandsPerimeter([
[1, 1, 1, 1, 1, 1],
[1, 0, 0, 0, 0, 1],
[1, 0, 1, 1, 0, 1],
[1, 0, 0, 0, 0, 1],
[1, 1, 1, 1, 1, 1],
]), 42)

islandsPerimeter([
[1, 0]
]) ➞ 4

+=========+
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2021-11-03 19:57:12 Pip e
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What is the length of the shortest pipe, of internal radius 50mm, that can fully contain 21 balls of radii 30mm, 31mm, ..., 50mm?

Give your answer in micrometres (10-6 m) rounded to the nearest integer.
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Thank you to Rishabh for suggesting this challenge! Open / Comment

2021-11-02 12:07:19 BURGERS (or was it Burglars?)
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Given three arguments ⁠— an object obj of the stolen items, the pets name and a value ⁠— return an object with that name and value in it (as key-value pairs).

addName({}, "Brutus", 300) ➞ { Brutus: 300 }

addName({ piano: 500 }, "Brutus", 400) ➞ { piano: 500, Brutus: 400 }

addName({ piano: 500, stereo: 300 }, "Caligula", 440) ➞ { piano: 500, stereo: 300, Caligula: 440 }

The value argument will be a number.+=========+
Please answer to this message with your solution :)
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2021-11-01 16:54:44 Programming Challenges - How to be a breathtaking Programmer pinned «Focus! +=====+ We all need a bit of help! We have experienced many people asking questions, which is an amazing thing! For this, we have created a group. In order to keep quality, the group will be very strictly moderated - meaning that every question and…» Open / Comment

2021-10-31 18:37:03 Open / Comment

2021-10-26 21:52:42 true randomness
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Difficulty: medium
Time: 1h
Languages: Javascript
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Make a random numbers generator that bases on the current internet speed.

Since the internet speed is very unsteady, its perfect to make a RNG.
+=========+
Please answer to this message with your solution :)
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2021-10-26 21:15:30 Open / Comment