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

6 years ago

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

6 years ago

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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)

6 years ago

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Test
Add 1 to an input

6 years ago

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Grazing-02
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...

6 years ago

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

6 years ago

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A "Complex" Converter: Rectangular Form <-> Polar Form
*BACKGROUND / MOTIVATION:* Complex numbers can be an important tool in an electrical engineer's toolbox because they can help...

6 years ago

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Find the point of intersection of tangents.
Given two points on a conic, find the point of intersection of the corresponding tangents. The conic is given in Cartesian co...

6 years ago

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Connect Four - 03
Previous Problem <https://www.mathworks.com/matlabcentral/cody/problems/45354-connect-four-01> <https://www.mathworks.co...

6 years ago

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Connect Four - 02
Previous Problem <https://www.mathworks.com/matlabcentral/cody/problems/45354-connect-four-01> In addition to previous proble...

6 years ago

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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,...

6 years ago

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Kissing Circles-01
Three circles are mutually tangent to each other and also to a line. find the radius of the smallest circle. The radius of th...

6 years ago

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Number generator
In this problem, a number will be given. starting with the first digit, keep on adding all subsequent digits till the state (...

6 years ago

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Cat's paw - 01
lets imagine a cat, standing on an infinitely long row of tiles. since its a 'cat', string length=3; it takes 3 tiles to stand. ...

6 years ago

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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...

6 years ago

Solved

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...

6 years ago

Solved

Area-06
The length of the side of a square is given. Draw 4 quarter-circles inside the square from 4 corners with a radius equal to t...

6 years ago

Solved

Sieve of Eratosthenes
Find the nth lucky prime number. <https://planetmath.org/luckyprime> can u find a way for large n?

6 years ago

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How lucky r u ?
Find the nth number in the following sequence <https://oeis.org/A264940>

6 years ago

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

6 years ago

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Find the shortest distance between a point and a straight line.
Given the Cartesian coordinates of three points A, B and C (in a flat Euclidean space), find the shortest distance between the ...

6 years ago

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chess position
given the position of a chess piece in algebric notation, convert it into 8 by 8 matrix format. For example, * 'Qd5' >> [3,4]...

6 years ago

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Area-05
The dimension of a rectangle is given. There are two circles of equal size that are inscribed inside it.The circles are tangent ...

6 years ago

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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 ...

6 years ago

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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...

6 years ago

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Area-04
The dimension of a rectangle is given. There are two circles of equal size that are inscribed inside it.The circles are tangent ...

6 years ago

Solved

Area-03
There are two circles of equal size are inscribed inside a square. They are tangent to each other. <https://serving.photos.ph...

6 years ago

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Area-02
Given the radius of the circle inscribed in a square, find the area of the square that can be fitted perfectly in the corner. ...

6 years ago

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Area-01
Given the radius of the circle inscribed in a square, find the area that is not bounded by the circle but inside the square. ...

6 years ago

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Castling-03
Given the position of different chess pieces on the chessboard, figure out whether castling is valid or not in the next move (wh...

6 years ago