統計
Completed both Cody 5th anniversary groups
Awarded to HH on 27 Nov 2017
Contributed problems to the Cody 5th anniversary groups
Awarded to HH on 16 Oct 2017
Solve all the problems in Cody5:Hard
Awarded to HH on 30 Jun 2023
Solve all the problems in Number Manipulation II problem group
Awarded to HH on 18 Dec 2022
Solve at least 10 problems in 10 consecutive days during the Cody 10th Anniversary Contest
Awarded to HH on 31 Oct 2022
Solve a problem with a best solution
Awarded to HH on 26 Oct 2022
Solve all the problems in Card Games
Awarded to HH on 29 Sep 2022
Receive 10 likes on a problem you have created
Awarded to HH on 14 Aug 2020
Obtained 200 Solvers for the group created
Awarded to HH on 11 Aug 2020
Solve all the problems in Draw Letters problem group
Awarded to HH on 14 Mar 2020
Solve all the problems in Introduction to MATLAB problem group
Awarded to HH on 20 Jan 2019
Solve all the problems in Matrix Manipulation III
Awarded to HH on 20 Jan 2019
Content Feed
解決済み
Find the jerk
No, it's not the author of this problem... Jerk is the rate of change in acceleration over time of an object. So, if given t...
2ヶ月 前
解決済み
Bernoulli's Equation
Bernoulli's equation states that for an incompressible fluid the following summation is constant across the flow: v^2/2 + g*z + ...
2ヶ月 前
解決済み
Split Even Number Into Two Primes
Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...
2ヶ月 前
解決済み
Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string inStr from a list of strings strList....
3ヶ月 前
解決済み
Calculate the square root
Given an input integer x, calculate the square root without using the sqrt function.
4ヶ月 前
解決済み
Convert Volume Mixing Ratio to Density
The partial pressure of a constituent gas species of the atmosphere can be expressed in parts per million by volume. For exampl...
4ヶ月 前
解決済み
SatCom #6: Inclination of a Sun-Synchronous Orbit
Satellite and Space Engineering - Problem #5 This is part of a series of problems looking at topics in satellite and space comm...
4ヶ月 前
解決済み
What gear ratio does the cyclist need?
A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...
4ヶ月 前
解決済み
Minimum number of crossings in a complete graph
This problem is related to problem 58384. A complete graph may be drawn in different ways, such that the number of line crossin...
4ヶ月 前
問題
Minimum number of crossings in a complete graph
This problem is related to problem 58384. A complete graph may be drawn in different ways, such that the number of line crossin...
4ヶ月 前 | 0 | 7 個のソルバー
解決済み
Minimum number of crossings in a complete bipartite graph
A complete bipartite graph may be drawn in different ways, such that the number of line crossings differs between drawings. To ...
4ヶ月 前
問題
Minimum number of crossings in a complete bipartite graph
This problem is related to problem 58389. A complete bipartite graph may be drawn in different ways, such that the number of li...
4ヶ月 前 | 0 | 7 個のソルバー
解決済み
Radius of an inner N-dimensional sphere
A hypercube is an N-dimensional analogue of a square (N=2). Similarly, an N-sphere is an N-dimensional analogue of a circle. Not...
4ヶ月 前
問題
Radius of an inner N-dimensional sphere
A hypercube is an N-dimensional analogue of a square (N=2). Similarly, an N-sphere is an N-dimensional analogue of a circle. Not...
7ヶ月 前 | 1 | 5 個のソルバー
解決済み
Recaman Sequence - III
I want to create a Recaman sequence where there is a "1" in the n-th position. So from which integer should I start the Recaman ...
7ヶ月 前
解決済み
Recaman Sequence - II
Take an arbitrary starting point as input and create Recaman Sequence. Then find the 1, return its index. For example: if n =...
7ヶ月 前
解決済み
Recaman Sequence - I
Recaman Sequence (A005132 - <http://oeis.org/A005132 - OEIS Link>) is defined as follow; seq(0) = 0; for n > 0, seq(n) ...
7ヶ月 前
解決済み
A Binary Search
One way to locate a target value in a sorted array, is to use a binary search algorithm. Here, you test if the midpoint in the a...
7ヶ月 前
解決済み
The Yellowstone Permutation
The Yellowstone Permutation is a sequence of positive integers, defined by the following rules: No term is repeated. Given n t...
7ヶ月 前
問題
The Yellowstone Permutation
The Yellowstone Permutation is a sequence of positive integers, defined by the following rules: No term is repeated. Given n t...
7ヶ月 前 | 2 | 7 個のソルバー
解決済み
Consecutive Equation Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on the largest consecutive run of ...
9ヶ月 前
解決済み
Harmonic series counting
The function takes a positive limit as input, And counts how many terms must be summed in the harmonic series: 1/1, 1/2, 1/3, ...
9ヶ月 前
解決済み
IQpuzzler Preparation #2: Detect isolated zeros in a 2D matrix
Return true if any isolated single zeros are present in the input M-by-N matrix (zeros with all adjacent elements being non-zero...
9ヶ月 前
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