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# jo gayong

Active since 2019

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Cat, Meowcat and Concatenation
Input is a cell array containing several strings. Find the largest continuous sub-string common to all strings. All strings are ...

ongeveer 2 jaar ago

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given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

ongeveer 2 jaar ago

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Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

ongeveer 2 jaar ago

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Draw 'B'
Draw a x-by-x matrix 'B' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 0 1 0 0 0 1 ...

ongeveer 2 jaar ago

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There are 10 types of people in the world
Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

ongeveer 2 jaar ago

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Binary code (array)
Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

ongeveer 2 jaar ago

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Find out sum and carry of Binary adder
Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

ongeveer 2 jaar ago

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Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.

ongeveer 2 jaar ago

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Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

ongeveer 2 jaar ago

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Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

ongeveer 2 jaar ago

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Bit Reversal
Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

ongeveer 2 jaar ago

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Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

ongeveer 2 jaar ago

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Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

ongeveer 2 jaar ago

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Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

ongeveer 2 jaar ago

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Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

ongeveer 2 jaar ago

Solved

surface of a spherical planet
you just discovered its circumference, that is the input.

ongeveer 2 jaar ago

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Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

ongeveer 2 jaar ago

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Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

ongeveer 2 jaar ago

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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

ongeveer 2 jaar ago

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

ongeveer 2 jaar ago

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

ongeveer 2 jaar ago

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Rank of magic square (for beginners)
Compute the rank r of a magic square of order n WITHOUT rank and magic functions.

ongeveer 2 jaar ago

Solved

One of the most useful skills a programmer can develop is the skill — or habit — of writing descriptive comments within/above th...

ongeveer 2 jaar ago

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

ongeveer 2 jaar ago

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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...

ongeveer 2 jaar ago

Solved

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...

ongeveer 2 jaar ago

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Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

ongeveer 2 jaar ago

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

ongeveer 2 jaar ago

Solved

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

ongeveer 2 jaar ago

Solved

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

ongeveer 2 jaar ago