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文字列の最初と最後の文字だけ抜き出しましょう。
文字列の最初と最後の文字をつなげて返すような関数を作成しましょう。 もし文字が一つしかない場合、その文字は最初と最後の文字のため、関数はその文字を二回返すようにしておきましょう。 例: stringfirstandlast('borin...
10 hours ago
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Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
10 hours ago
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英語の文章内の母音を取り除くコードを書きましょう。
与えられた英語の文章内の母音を取り除きましょう。 例: 入力 s1 が 'Jack and Jill went up the hill' の場合、 出力 s2 は 'Jck nd Jll wnt p th hll' * (英語版) ...
10 hours ago
Solved
ゼロでない要素が一番多い行を探そう
行列 a が与えられたとき、行列 a の中で一番ゼロの要素が少ない行のインデクス r を返す関数を作成しましょう。このとき、行列 a には一つだけしかこの条件に当てはまる行がないと仮定します。 例: 入力として、行列 a = [ 1 ...
10 hours ago
Solved
Skyscrapers - Puzzle
The Skyscraper puzzle challenge comes from <http://logicmastersindia.com/home/ Logic Masters India> and <http://www.conceptispuz...
10 hours ago
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Solve the picross! (Hard)
Solve the picross! http://en.wikipedia.org/wiki/Nonogram The arguments (horz and vert) are cells containing the clues, e.g...
11 hours ago
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OXO counting
Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals. Example: >> board = ['OOX' ...
4 days ago
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Play Tic Tac Toe : No Losses Allowed
Let's play a friendly game of Tic Tac Toe Create an efficient algorithm to Never Lose. The Player may be either the first...
5 days ago
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Play Tic-Tac-Toe: Easy Bots
Interactive Tic-Tac-Toe game versus the test suite algorithms. The contest will be 50 games of Computer first and 50 games of...
5 days ago
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Return the Square of a Number
Write a function that takes a single numeric input x and returns its square. That is, given x, your function should output x^2....
5 days ago
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Percentage profit:5: Cumulative Interest
If a bank is giving r% yearly cumulative interest for deposit, how much profit we can get by keeping x amount of money for n mon...
5 days ago
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Parsing Expressions - Binary Arithmetic Operators I
Parse and evaluate expressions like these: '1 + 2' '51 - 78' '42 * 9' The only operators are +, -, *. Both argu...
5 days ago
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cross-section of 3D pyramid
Create 3d pyramid of ones and zeros...where pyramid-part is denoted by ones and outer-part is denoted by zeros..where base is sq...
5 days ago
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Toads and Frogs Puzzle
On a one-dimensional board with n + m + 1 cells, there are n counters in the first n cells representing Toads and m counters in ...
5 days ago
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MinMax mapping
Given a matrix, map all the elements within a given interval. For example, a=[ 2 5 10] mapped in the interval [1,2] ...
5 days ago
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Yoonir - 01
Find the area of a five-pointed star inscribed in a circle of radius r.
5 days ago
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How many ways to write a number
Given two positive numbers n and k, where n>=k. In how many ways can we write n as sum of k positive numbers. Same numbers but d...
5 days ago
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Is 3D point set Co-Planar?
This Challenge is to determine if four 3D integer points are co-planar. Given a 4x3 matrix representing four x,y,z integer poin...
5 days ago
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Find 1's Complement
Find 1's complement of a binary number For Example: x = 10011010 1's complement of x = 01100101
5 days ago
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sort matrix
Given a matrix, sort it for each column, but cannot change the element of each row. for example input = [1 3; 2 4;1 5;3 6]; ...
5 days ago
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Repeat string n times - 3
function myOutput = rep_str_3(string1, string2, num1, num2, n) function desiredOutput = rep_str_3('string1', 'STRING2', 0...
5 days ago
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Let's get back to school: create mixed numbered fraction
A fractional number can be represented as mixed number. A "mixed number" consists of an integer followed by a proper fraction...
5 days ago
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Independent direction vectors of a plane
Given the equation of a plan of the form ax+by+cz=d, return 2 independent direction vectors which could e.g. be used to determin...
5 days ago
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Usage of mkdir and copyfile
This Challenge is to copy a file into a new directory multiple levels below existing directory architecture. System appears ...
5 days ago
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Modular multiplicative inverse
Modular multiplicative inverse is used for _The Chinese Remainder Theorem_ and _RSA algorithm_. You can visit <http://en.wikiped...
5 days ago
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Return elapsed time
Write a function that returns the amount of time it takes to run the function, as measured by tic and toc. Your answer must be c...
5 days ago
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String permutations on phone keyboard
Given a number such as 2639 return all possible string permutations using the phone-keyboard on Problem 1069. input = 78 outpu...
5 days ago
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Top of the Hour : Return from your routine within 1 second of the hour
*Top of the Hour* Submit your routine such that it returns to Cody after the hour and within 1 second of the hour. The tes...
5 days ago
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Find the first N zeros of the 666 function
Using the following definition of the 666 function for this problem: _f(n)=sin('nnn')-cos(n*n*n)_, write a function that returns...
5 days ago
