# Dyuman Joshi

Mechanical Engineer IITG-20 | Moderator - MATLAB Cody since Jan 2021 | Time zone - IST (GMT +5.30)

**Programming Languages:**

Python, MATLAB

**Spoken Languages:**

English, Hindi

**Pronouns:**

He/him

**Professional Interests:**

Fluid Dynamics, Aerospace Engineering, Computational Fluid Dynamics (CFD), Hydraulics and Pneumatics

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**Feeds**

Solved

Counting the occurrences of a digit in a book

The printer has printed a book with 'p' pages. How many times did they use the character 'd'? In other words, how many times doe...

2 days ago

Solved

Digits eliminate

Complete the function my_f(n,b) to return, for a given integer, the number obtained by removing the digits '0' and 'b'. If there...

2 days ago

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Replace with Lower

Given a list of integers, for each element, replace it with the minimum integer found in the sub-list to its strict right (exclu...

3 days ago

Solved

Reverse Integer

You are given an integer, reverse its digits. For negative integers, the sign should remain in the front. For instance, 12340 s...

3 days ago

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Leader

An element of a list is called a "leader" if every element to its right (and not just the one immediately to its right) is stric...

3 days ago

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Recursive triangle area

Given triangle 1 with sides of length a, b, and c. Triangle 2 is constructed within triangle 1 by bisecting each side. Triangl...

3 days ago

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Sort by absolute value

Given a list of numbers, arrange them in ascending order based on their absolute values. For example, for the list [-30, -5, 1...

5 days ago

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Perfect shuffle

We call "perfect shuffle" the process of cutting a deck of cards into two equal halves, and then perfectly interleaving them: on...

5 days ago

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Finding the Most Frequent Letter in a Text

You are given a text containing various English letters, digits and punctuation symbols. Your task is to find the most frequentl...

5 days ago

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Calculating the Union Area of Overlapping Rectangles

Calculate the area covered by a union of multiple rectangles. Each rectangle is represented by 4 integers: the first two integer...

5 days ago

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Remove Adjacent Pairs

Given an array of integers where adjacent elements may be identical, your task is to remove these adjacent pairs. If removing on...

5 days ago

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Conditional transpose II

As in problem 60734, you're given two vectors, x and y, which might be row or a column vectors. Your task is to ensure that y ha...

6 days ago

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Conditional transpose

You're given two vectors of the same length, x and y, which might be row or a column vectors. Your task is to ensure that y has ...

7 days ago

Solved

Convert RGB to Grayscale

Convert a 3 element RGB array to its correspoding grayscale pixel (a scalar) *Hint: a formula exists!

16 days ago

Solved

Wheatstone bridge

Determine if a set of resistors maintain Wheatstone bridge equilibrium

18 days ago

Solved

Remove the diagonal of a square matrix

Some Cody problems ask solvers to remove columns (e.g., CP 7), and others ask solvers to remove rows (e.g., CP 44033). Write a...

19 days ago

Solved

Biggest Value in the (Neighbor)Hood

For this challenge you get two inputs: a matrix A and an integer value n. Your function should return a Matrix B of the same siz...

1 month ago

Solved

Final Stone Weight

You are given an array with weights of stones. The objective is to determine the weight of the final stone remaining after all c...

2 months ago

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Determine if a Digit is Isolated

A digit is considered isolated if both its left and right neighbors are different from itself. For example, in the number 776444...

2 months ago

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Missing Number (arithmetic progression)

Given a list of integers forming an arithmetic progression (where the difference between consecutive elements is constant), your...

2 months ago

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Create logical matrix with a specific row and column sums

Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

2 months ago

Solved

Joining Ranges

You are given a n-by-2 matrix. Each row represents a numeric range, e.g. x = [0 5; 10 3; 20 15; 16 19; 25 25] contains...

2 months ago

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Perimeter of a Koch snowflake

A Koch snowflake is an iteratively generated (fractal) shape built out of successively smaller equilateral triangles by followin...

2 months ago

Solved

Integer Persistence, Product

Let's construct a sequence as follows: is a given natural number, and is the product of the digits of . The persistence of i...

2 months ago

Solved

Given a Polyshape_01 (ps) Return its Perimeter, Area, and Centroid.

Return the perimeter (P) of a polyshape object, which is the sum of the lengths of its boundaries. Return the total area (A) of...

2 months ago

Solved

Battery Charge Indicator

Write a function called battery_charge that visually represents the charge of a battery. The function takes an integer paramete...

3 months ago

Solved

Stern-Brocot Sequence

The Stern-Brocot diatomic sequence is defined as follows: The first elements of the sequence are 0, 1, 1, 2, 1, 3, 2, 3, 1, 4...

3 months ago

Solved

Available ingredients + recipe -> number of cakes

Write a function Egg_Milk_Sugar(L, recipe) to determine the maximum number of cakes that can be prepared given a list of availab...

3 months ago

Solved

Hofstadter Q sequence

The Hofstadter Q sequence is defined as follows: The first elements of the sequence are 1, 1, 2, 3, 3, 4, 5, 5, 6, 6. Write ...

3 months ago

Solved

Reversing Maximal Ascending Subsequences

Create and return a new array that contains the same elements as the input array, but with the elements within each strictly inc...

3 months ago