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Tell your secret
A secret can be told only to 2 persons in 5 minutes. Now, these 2 more persons can spread the secret to 4 other people in the ne...

2 months ago

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Count digits
Count total number of digits from 1 to n. * n=13 * output=17 since from [1-9] total 9 digits.[10-13] total 4*2=8 digits.

2 months ago

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String count
given a string 'str', count the number of the followings - * letters * digits * white space * capital letters * smal...

2 months ago

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Find index of non empty cell array
This question aims to understand the characteristics of MATLAB programs. Educational problem. Please find non empty index of ...

2 months ago

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3rd side of a Triangle
Given two sides of a triangle, find the minimum and maximum possible area of the triangle. the length of the third side has t...

2 months ago

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Maya long Count
Given a Mayan date, calculate the number of days after the end of the last Great Cycle. <https://en.wikipedia.org/wiki/Maya_c...

2 months ago

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Maya - 03
Following up on the previous two problems, now you've to add or subtract two Maya numerals. The 3rd input will be a function ...

2 months ago

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Maya - 02
<https://en.wikipedia.org/wiki/Maya_numerals> Prev. prob. - <https://www.mathworks.com/matlabcentral/cody/problems/45375-maya...

2 months ago

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Maya - 01
Given a number, convert it into the Maya numeral system. <https://en.wikipedia.org/wiki/Maya_numerals> For example, n...

2 months ago

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Hanging cable - 02
previous problem - <https://www.mathworks.com/matlabcentral/cody/problems/45373-hanging-cable-01> The height of the poles...

2 months ago

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Hanging cable - 01
The height of the poles is h the length of the cable is l u need to find the minimum distance between the poles whic...

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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Connect Four - 04
Previous Problem <https://www.mathworks.com/matlabcentral/cody/problems/45355-connect-four-03> In addition to the previo...

2 months ago

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

2 months ago

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

2 months 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...

2 months 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...

2 months 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...

2 months 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,...

2 months 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...

2 months 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 (...

2 months 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 coor...

2 months 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...

2 months 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. ...

2 months 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...

2 months ago

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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...

2 months ago

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

2 months ago

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

2 months ago