문제를 풀었습니다

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

8년 초과 전

문제를 풀었습니다

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 =...

8년 초과 전

문제를 풀었습니다

Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

8년 초과 전

문제를 풀었습니다

Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

8년 초과 전

문제를 풀었습니다

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...

8년 초과 전

문제를 풀었습니다

inner product of two vectors
inner product of two vectors

8년 초과 전

문제를 풀었습니다

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 ...

8년 초과 전

문제를 풀었습니다

Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

8년 초과 전

문제를 풀었습니다

Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

8년 초과 전

문제를 풀었습니다

Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

8년 초과 전

문제를 풀었습니다

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...

8년 초과 전

문제를 풀었습니다

Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

8년 초과 전

문제를 풀었습니다

Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

8년 초과 전

문제를 풀었습니다

Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

8년 초과 전

문제를 풀었습니다

Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

8년 초과 전

문제를 풀었습니다

Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

8년 초과 전

문제를 풀었습니다

How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

8년 초과 전

문제를 풀었습니다

Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

8년 초과 전

문제를 풀었습니다

Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

8년 초과 전

문제를 풀었습니다

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

8년 초과 전

문제를 풀었습니다

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

8년 초과 전

문제를 풀었습니다

Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

8년 초과 전

문제를 풀었습니다

Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

8년 초과 전

문제를 풀었습니다

radius of a spherical planet
you just measured its surface area, that is the input.

8년 초과 전

문제를 풀었습니다

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

8년 초과 전

문제를 풀었습니다

Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

8년 초과 전

문제를 풀었습니다

Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

8년 초과 전

문제를 풀었습니다

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

8년 초과 전

문제를 풀었습니다

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

8년 초과 전

문제를 풀었습니다

Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

8년 초과 전