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问题
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...
13 years 前 | 30 | 2590 个解题者
问题
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...
13 years 前 | 24 | 1449 个解题者
问题
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...
13 years 前 | 26 | 1647 个解题者
问题
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...
13 years 前 | 31 | 4532 个解题者
问题
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...
13 years 前 | 9 | 1371 个解题者
问题
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...
13 years 前 | 8 | 1066 个解题者
问题
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, ...
13 years 前 | 24 | 1330 个解题者
问题
Calculate the Levenshtein distance between two strings
This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...
13 years 前 | 25 | 1475 个解题者
问题
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...
13 years 前 | 12 | 1780 个解题者
问题
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...
13 years 前 | 25 | 2002 个解题者
问题
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...
13 years 前 | 10 | 2501 个解题者
问题
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...
13 years 前 | 11 | 1561 个解题者
问题
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...
13 years 前 | 5 | 1721 个解题者
问题
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. ...
13 years 前 | 8 | 1342 个解题者
问题
Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...
13 years 前 | 27 | 2408 个解题者
问题
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 ...
13 years 前 | 10 | 1541 个解题者
问题
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...
13 years 前 | 7 | 1359 个解题者
问题
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...
13 years 前 | 13 | 1695 个解题者
问题
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...
13 years 前 | 5 | 1769 个解题者
问题
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 =...
13 years 前 | 18 | 3622 个解题者
问题
Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...
13 years 前 | 9 | 1233 个解题者
问题
Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...
13 years 前 | 16 | 1759 个解题者
问题
Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';
13 years 前 | 9 | 1640 个解题者
问题
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...
13 years 前 | 22 | 3047 个解题者
问题
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 ...
13 years 前 | 18 | 3031 个解题者
问题
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...
13 years 前 | 39 | 3387 个解题者
问题
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...
13 years 前 | 23 | 2331 个解题者
问题
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 ...
13 years 前 | 17 | 2307 个解题者
问题
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...
13 years 前 | 25 | 2538 个解题者
问题
Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...
13 years 前 | 27 | 2351 个解题者
