Problem


Greed is good - Simple partition P[n].
Find a simple partition P[n]. E.g. P[10] = 4 + 3 + 2 + 1. # There are many solutions, compute just one set. # Don't repeat ...

etwa 14 Jahre vor | 1 | 34 Lösungsvorschläge

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Greed is good - Simple partition P[n].
Find a simple partition P[n]. E.g. P[10] = 4 + 3 + 2 + 1. # There are many solutions, compute just one set. # Don't repeat ...

etwa 14 Jahre vor

Gelöst


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

etwa 14 Jahre vor

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Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

etwa 14 Jahre vor

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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, ....

etwa 14 Jahre vor

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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...

etwa 14 Jahre vor

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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

etwa 14 Jahre vor

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

etwa 14 Jahre vor

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

etwa 14 Jahre vor

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

etwa 14 Jahre vor

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 14 Jahre vor

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Is my wife right?
Regardless of input, output the string 'yes'.

etwa 14 Jahre vor

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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...

etwa 14 Jahre vor

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Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

etwa 14 Jahre vor

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

etwa 14 Jahre vor

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

etwa 14 Jahre vor

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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...

etwa 14 Jahre vor

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Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

etwa 14 Jahre vor

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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...

etwa 14 Jahre vor

Problem


All Humans are Created Equal - Pareto Equality
One way or the other two sets of identical types can come out ahead of the other by idea of Pareto equality. Pareto equality b...

etwa 14 Jahre vor | 0 | 11 Lösungsvorschläge

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All Humans are Created Equal - Pareto Equality
One way or the other two sets of identical types can come out ahead of the other by idea of Pareto equality. Pareto equality b...

etwa 14 Jahre vor

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Function composition - harder
Write a function that accepts an arbitrary number of function handles f_1, f_2, ..., f_n and returns the composition h. That is,...

etwa 14 Jahre vor

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

etwa 14 Jahre vor

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Return the 3n+1 sequence for n
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...

etwa 14 Jahre vor

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

etwa 14 Jahre vor

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

etwa 14 Jahre vor

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

etwa 14 Jahre vor

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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...

etwa 14 Jahre vor

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

etwa 14 Jahre vor

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

etwa 14 Jahre vor

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