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Problem

Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

etwa 12 Jahre vor | 29 | 2163 Lösungsvorschläge

Problem

Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

mehr als 12 Jahre vor | 24 | 1319 Lösungsvorschläge

Problem

Given two strings, find the maximum overlap
Given two strings s1 and s2, create a new string s3 which is as short as possible and contains both strings. If s1 = [1 2...

mehr als 12 Jahre vor | 21 | 1414 Lösungsvorschläge

Problem

Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

mehr als 12 Jahre vor | 30 | 4398 Lösungsvorschläge

Problem

Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

mehr als 12 Jahre vor | 7 | 1176 Lösungsvorschläge

Problem

Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-647...

mehr als 12 Jahre vor | 8 | 1033 Lösungsvorschläge

Problem

Connect Four Win Checker
<http://en.wikipedia.org/wiki/Connect_Four Connect Four> is a game where you try to get four pieces in a row. For this problem, ...

mehr als 12 Jahre vor | 23 | 1217 Lösungsvorschläge

Problem

Calculate the Levenshtein distance between two strings
This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...

mehr als 12 Jahre vor | 25 | 1359 Lösungsvorschläge

Problem

Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

mehr als 12 Jahre vor | 12 | 1469 Lösungsvorschläge

Problem

It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

mehr als 12 Jahre vor | 22 | 1693 Lösungsvorschläge

Problem

Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

mehr als 12 Jahre vor | 10 | 2376 Lösungsvorschläge

Problem

Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...

mehr als 12 Jahre vor | 11 | 1468 Lösungsvorschläge

Problem

Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

mehr als 12 Jahre vor | 5 | 1613 Lösungsvorschläge

Problem

Longest Divisor Run
Given the vector a, find the longest run of consecutive numbers that can be evenly divided by the same number d where d > 1. ...

mehr als 12 Jahre vor | 7 | 1246 Lösungsvorschläge

Problem

Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

mehr als 12 Jahre vor | 24 | 2196 Lösungsvorschläge

Problem

Remove the small words from a list of words.
Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

mehr als 12 Jahre vor | 9 | 1434 Lösungsvorschläge

Problem

DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

mehr als 12 Jahre vor | 7 | 1302 Lösungsvorschläge

Problem

Implement a ROT13 cipher
Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

mehr als 12 Jahre vor | 12 | 1601 Lösungsvorschläge

Problem

Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

mehr als 12 Jahre vor | 5 | 1656 Lösungsvorschläge

Problem

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

mehr als 12 Jahre vor | 14 | 2920 Lösungsvorschläge

Problem

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

mehr als 12 Jahre vor | 9 | 1206 Lösungsvorschläge

Problem

Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

mehr als 12 Jahre vor | 15 | 1646 Lösungsvorschläge

Problem

Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

mehr als 12 Jahre vor | 9 | 1508 Lösungsvorschläge

Problem

Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

mehr als 12 Jahre vor | 21 | 2899 Lösungsvorschläge

Problem

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

mehr als 12 Jahre vor | 18 | 2918 Lösungsvorschläge

Problem

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

mehr als 12 Jahre vor | 38 | 3334 Lösungsvorschläge

Problem

Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

mehr als 12 Jahre vor | 23 | 2222 Lösungsvorschläge

Problem

Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

mehr als 12 Jahre vor | 17 | 2181 Lösungsvorschläge

Problem

Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

mehr als 12 Jahre vor | 23 | 2392 Lösungsvorschläge

Problem

Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

mehr als 12 Jahre vor | 27 | 2206 Lösungsvorschläge

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