# ChrisR

Last seen: Today Active since 2015

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I teach courses in water resources and environmental fluid mechanics.

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Problem

Determine whether a property description closes
The arrival of summer makes think back to the summers I spent working for my father’s engineering firm. For the first several s...

9 hours ago | 0 | 1 solver

Problem

Compute the area of a Q
A figure resembling a Q (as in “quadrature”) is constructed in the following way: A right triangle is drawn with the left vertex...

1 day ago | 0 | 1 solver

Solved

Determine the potential energy in a springrope which hangs over from a bridge
The task is to figure out the energy a person with mass has when hung on a rope over a bridge when given the length from the sus...

3 days ago

Solved

Area of right triangle
Given a hypotenuse and a leg , calculate the area of right triangle.

3 days ago

Solved

The Hofstadter Female (F) and Male (M) sequences are defined as follows Write a function to compute for a given n. See http...

4 days ago

Problem

Travel a path
In Cody Problem 60251, minnolina asks us to determine the end point given a string indicating unit movements forward, backward, ...

4 days ago | 0 | 4 solvers

Solved

x

4 days ago

Solved

Instructions Following
Complete the function follow(s) which, for a given string (containing only the letters 'f', 'b', 'l', 'r'), calculates the final...

5 days ago

Problem

The nth triangular number is the sum of the first n positive integers. The sequence of triangular numbers starts 1, 3, 6, 10, 15...

5 days ago | 0 | 5 solvers

Problem

Compute the area of a lune
Write a function to compute the area of the shaded moon-shaped region in the figure below—that is, the area of a smaller circle ...

6 days ago | 1 | 5 solvers

Solved

Spreadsheet uses an alphabetic naming system for columns, starting with 'A', 'B', 'C', etc. The column names continue like 'AB',...

7 days ago

Solved

snake_case to CamelCase convention
The snake_case naming convention writes words in lowercase and separates them with underscores. In CamelCase convention, the fir...

7 days ago

Solved

CamelCase to snake_case convention
The CamelCase naming convention capitalizes the first letter of each word. In snake_case convention, words are written in lowerc...

7 days ago

Solved

The Hofstadter G sequence is defined as follows: The first elements of the sequence are 0, 1, 1, 2, 3, 4, 4, 5, 5, 6. Write ...

7 days ago

Solved

The Hofstadter G sequence is defined as follows: The first elements of the sequence are 0, 1, 1, 2, 3, 3, 4, 4, 5, 6. Write ...

7 days 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...

7 days ago

Solved

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...

7 days 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...

7 days ago

Solved

Maximizing Stock Profit
As a stock exchange broker focusing on a single transaction, your goal is to maximize profit by buying a stock at a low price an...

7 days ago

Problem

Write a function to minimize the function . The coefficients a, b, and c will be positive. Give the coefficients in a vector coe...

7 days ago | 0 | 7 solvers

Solved

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

7 days ago

Solved

x

12 days ago

Solved

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

14 days 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...

14 days ago

Solved

Find Next Strictly Greater Element
Given an array of numbers, create a new array where each element represents the next strictly greater element to the right of th...

15 days ago

Solved

x

15 days ago

Solved

Remove Unique Elements
Given a list of integers, we want to keep only the non-unique elements in this list. To do this, we need to remove all the uniqu...

15 days ago

Solved

Absolute Sorting
Given an array with various numbers, your have to sort it by absolute value in ascending order. For example, for the array [-2...

15 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...

15 days ago

Solved

x
X

15 days ago