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Take it out
Consider the integer number sequence N (1 to infinity). After each iteration, take out the (k+1)th elements; where k is the n...

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Takuzu row
Takuzu row is one row in a logic puzzle of a rectangular grid. The rules are as follows: (1) The row is filled with 1s and 0s...

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Lost days
Given two dates in a particular format, calculate the difference between them.

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Connect Four - 01
Connect four is a two player board game. <https://en.wikipedia.org/wiki/Connect_Four> Given a complete connect-four board,...

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Sum! Sum! Sum!
Calculate the sum of the sequence up to nth term >> a,aa,aaa,aaaa,... 2,22,222,2222,... [for a=2]

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Be happy
check whether the given number is happy in b-base. * A happy number can be defined as a number which will yield 1 when it is ...

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Grazing-01
A cow is tied to an outside corner of a rectangular barn of size (a,b) with a rope of length l. What is the maximum area the cow...

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dễ dàng
cho 2 số. tính tích của chúng

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Determine whether a given point is inside or outside a polygon
A closed polygon may be described by an N x 2 array of nodes, where the last node and the first node are the same. Each row of ...

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Find the centre of an arc and its radius
Given two points on an arc (x0,y0) and (x1,y1) and the angle between them, alpha. Return the centre of the circle and the rad...

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Tribonacci Sequence
Generate the tribonacci sequence upto n

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How many ways?
Create a program to determine in how many ways can a regular n-gon be divided into n-2 triangles?

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Get the value 100
Knowing that 123-45-67+89=100, write a function that gives this result for any order of the digits in the input. Otherwise, the ...

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Sieve of Eratosthenes - 02
"Sift the Two's and Sift the Three's, The Sieve of Eratosthenes. When the multiples sublime, The numbers that remain a...

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Sky full of stars - 03
draw the following pattern with asterisks. For example, for n=6 '************' '***** *****' '**** ****' ...

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Sky full of stars - 02
draw an isosceles triangle with asterisks of size n. For example, for n=6 ' * ' ' *** ' ' **...

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Sky full of stars - 01
Draw a right triangle with asterisks of size n. For example, for n=5 '* ' '** ' '*** ' '**** ' ...

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Do they touch?
The center and radius of two circles are given. Determine whether they touch.

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Count the days
Count the occurrence of a particular day (e.g. Monday) in a given year.

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Pell numbers
Find the nth pell number <https://en.wikipedia.org/wiki/Pell_number>

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Orthogonal lines
Check whether two given lines are orthogonal or not. Two lines are orthogonal if they create a right angle at their intersect...

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XOR fibonacci
a & b are the first two terms in the xor fibonacci sequence. Find the nth term of that sequence. XOR fib sequence is that in ...

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Exponentiation
Given 3 integers b,e,k; find -- mod(b^e,k)

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Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

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Calculating large fibonacci numbers
The fibonacci sequence starts 1,1,2,3,5,8... Find the the n'th fibonacci number. Then calculate round(log10( . )) of that n't...

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lucky
check whether n is a lucky number <https://oeis.org/A000959>

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Ugly numbers - 03
For this case, a number is defined ugly if it has prime factors consisting of only elements of x. Find the nth ugly number. ...

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Ugly numbers - 01
Ugly numbers are those whose prime factors are 2, 3 or 5. find the nth ugly number.

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Ugly numbers - 02
Ugly numbers are those whose prime factors are 2, 3 or 5. find the nth ugly number. n.b. unlike the previous problem,trivi...

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Area-07
This is a follow up of the problem <https://www.mathworks.com/matlabcentral/cody/problems/45341-area-06> in this case, fi...

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