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Exponents in Factorials(hard)
This is problem is a harder version of "Problem 44747. Exponents in Factorials". <https://ww2.mathworks.cn/matlabcentral/cody/p...

7 years ago

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Exponents in Factorials
It's time to get excited about numbers!!! Well, we're just dealing with factorials here, but it's still a good reason to get ex...

7 years ago

Problem

Exponents in Factorials
It's time to get excited about numbers!!! Well, we're just dealing with factorials here, but it's still a good reason to get ex...

7 years ago | 5 | 30 solvers

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007: Chinese Barrack Invasion
*MISSION:* Successfully invade a military barrack located in China. *WARNING:* There is a row of _n_ security switches protec...

7 years ago

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Counting Squares
An algorithm starts with a single square and on each of its next iterations adds new squares all around the outside as shown bel...

7 years ago

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Sherlock Holmes: The Spy Problem
A guest at a party is a spy if this person is not known by any other guest, but knows all of them. There is at most one spy at a...

7 years ago

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Raise each element to the power of its index in a matrix
In a matrix, A = [1,2;3,4] raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274

7 years ago

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Find the area of a triangle having vertices (A,B), (C,D), and (E,F)
Find the area of a triangle using if we have the three vertices of the triangle

7 years ago

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Pizza order
A pizza order by phone in diameter d1, pizza will be make only in diameter d2. Return the pizza pieces p should be make.(pizza ...

7 years ago

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New Matrix with vector addition on diagonal
consider 2 vectors x=[1 2 3] y=[4 5 6] then generate a new Matrix, where Addition of x & y will be diagonal Elements...

7 years ago

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Return all matrix elements except elements on diagonal
Consider a given Matrix A=[a b c; d e f; g h i] then return a row vector T such that it contains all the El...

7 years ago

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Reverse the Matrix
Given a Matrix A, reverse it. Such that, last element of A becomes 1st and vice versa. for example: Input = [1 2 3;4 5 ...

7 years ago

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Get the combinations
Consider p,q = 2 vectors of same or different length. Get a Output Array which has all the possible combinations of Elements o...

7 years ago

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Transpose the Matrix
Transpose the given matrix, e.g. x=[a b;c d] transpose of x = [a c;b d]

7 years ago

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Aztec Diamond Domino Tilings
Consider a Cartesian grid, with verteces at integer x and y values, where every four vertices around a vacant space define a uni...

8 years ago

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Conic equation
A conic of revolution (around the |z| axis) can be defined by the equation s^2 – 2*R*z + (k+1)*z^2 = 0 where |s^2=x^2+y...

8 years ago

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Find the sines of an isosceles triangle when given its area and height
Find the sines of an isosceles triangle when given its area and height. For example, when A=60 and h=5, the result is [0.3752...

8 years ago

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Prime Product
My professor has given a sequence of N numbers as a1, a2, ..., aN and asked me to find the smallest possible value of ai * aj su...

8 years ago

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how many of the entries are positive?
Given x= sin(linspace(0,10*pi,100)), how many of the entries are positive?

8 years ago

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count upper and lower case characters
In a given input string, count and return the number of upper and lower case characters as u and l respectively. For example:...

8 years ago

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Find the Pattern
Find the pattern between input and output. Write a function that gives the correct output for any input. *Hint: magic*

8 years ago

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Highly divisible triangular number (inspired by Project Euler 12)
Triangular numbers can be calculated by the sum from 1 to n. For example, the first 10 triangular numbers are: 1, 3, 6, 10, ...

8 years ago

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Large Sum (inspired by Project Euler 13)
Your function will be provided an arbitrary number of numbers of arbitrary sizes as a cell array of strings. Some numbers will b...

8 years ago

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Find product of eigenvalues of n*n magic matrix.
Find product of eigenvalues of n*n magic matrix. Example n=3 Matrix= [ 8 1 6; 3 5 7; 4 ...

8 years ago

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How do you make seven even?
Take away the s.

8 years ago

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Primes Checker
Given variable inputs Check if they are prime numbers

8 years ago

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Check availability of a number in an array
An array is given A=[1 2 3 4 5 7 8 9 10]. Find whether the number n is present in given array or not. If the number n is prese...

8 years ago

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Add the positive numbers
Add only the positive numbers of x example: x = [-2 -1 0 1 2 3] the positive numbers are: 1 2 3, so their sum is 6

8 years ago

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Select primes from the matrix.
Select primes from the matrix.

8 years ago

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Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0. Use matrix A as a input.

8 years ago