Encode Roman Numerals
Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...
4 years 前
已解决
Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>.
The input string will always be provi...
4 years 前
已解决
Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...
4 years 前
已解决
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...
4 years 前
已解决
Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...
4 years 前
已解决
Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...
4 years 前
已解决
Counting Sequence
Given a vector x, find the "counting sequence" y.
A counting sequence is formed by "counting" the entries in a given sequence...
4 years 前
已解决
Find common elements in matrix rows
Given a matrix, find all elements that exist in every row.
For example, given
A =
1 2 3 5
9 2 5 9
3 2 5 9
...
Summing Digits within Text
Given a string with text and digits, add all the numbers together.
Examples:
Input str = '4 and 20 blackbirds baked in a...
4 years 前
已解决
Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter.
For example:
x = [1 ...
4 years 前
已解决
Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false.
E...
4 years 前
已解决
Maximum value in a matrix
Find the maximum value in the given matrix.
For example, if
A = [1 2 3; 4 7 8; 0 9 1];
then the answer is 9.
4 years 前
已解决
What percentage?
Calculate the output c as the percentage of a on b for given a and b.
4 years 前
已解决
Times 2 - START HERE
Try out this test problem first.
Given the variable x as your input, multiply it by two and put the result in y.
Examples:...