Chris Cleveland
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Solved
Decode an Encrypted AES image using CTR (counter mode) with no padding
Given an encoded AES image using CTR mode with no padding, the Initialization Vector (IV) (32 byte in uint8), and the AESkey (25...
1 hour ago
Solved
Decode Message using AES with Cipher Block Chaining (CBC) and PKCS#5 padding
Provided an encrypted message using AES CBC mode with PKCS#5 padding, an encrypted AES key in the form of an audio .wav file tha...
1 hour ago
Solved
The Singularity - Event Horizon (Absolute Zero)
Inspired by Problem61291 Mô tả: Bầy đàn gồm M agents phải di chuyển xuyên qua không gian 5D Hyper-Torus ( kích thước mỗi chiều...
1 hour ago
Solved
Radioactive Decay Chain
A radioactive decay chain consists of a series of nuclides, each decaying into the next. Suppose we have a chain of N isotopes:...
1 hour ago
Solved
20 Points create 23 Segments of four points
By placing 20 points create a graph that has 23 segments that each traverse 4 points. A Cheat Solution Image (press play/stop) t...
1 hour ago
Solved
Multiply the Diagonals of Two Vectors
Find the diagonals of vectors a and b and multiply them.
3 hours ago
Solved
Watermelon [MATLAB Cody Edition]
YOU CAN READ THE REAL CHALLENGE FROM THIS URL AND APPLY IT https://codeforces.com/problemset/problem/4/A NOW INSTEAD OF DISP...
3 hours ago
Solved
Calculate color coordinates in CIE 1931 color space
For given wavelength lambda, calculate corresponding the color coordinates (rounded to 4-decimals) in CIE 1931 color space. Exa...
3 hours ago
Solved
Calculate the h-index (revisited)
H-index is a powerful tool for quantifying the scientific contribution of a researcher. The H-index is defined as follows (fro...
3 hours ago
Solved
Count the even numbers in a multiplication table
A multiplication table that has products of numbers from 1 to 10 has 75 even numbers among the products. Write a function to c...
3 hours ago
Solved
Basic Algebra II
You have the equation X^2 = n you should find the value of X. GOOD LUCK!
3 hours ago
Solved
Basic Algebra I
You should solve the problem 3X - 2 = 7 by finding the value of X. You must use this array/vector [2 3 7]. GOOD LUCK!
3 hours ago
Solved
Get The Square Root Of Number Power (^) Three
Get the Square Root of number Power (^) Three.
3 hours ago
Solved
Find The Area Of Triangle Using Base & Height
You should find the area of the Triangle using base and height. Good Luck!
3 hours ago
Solved
Get The Opposite Of The Number Without Negative (-) On It
You must get the opposite of the number X without making -X. Hint: You can make it by Subtraction and Multiplication.
3 hours ago
Solved
Insert same number of zeros for each of elements in the vector. Number of zeros for a given number in vector
Same number of zeros for a given number in the vector, if there is a negative number in vector, then insert zeros to precede ...
3 hours ago
Solved
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the shorter leg.
Further to the problem 43236, find the length of shorter leg P.S No built-in functions allowed
4 hours ago
Solved
Move Array Element by Offset with Optional Ring Mode
Move Element by Offset Write a function moveab(x, A, B, option) that moves the element at index A in array x by B positions. P...
4 hours ago
Solved
Web App POST using system curl (405 error fix)
This challenge is to create a curl command to interact with a Google Web App that takes a JSON input and returns the JSON and a ...
4 hours ago
Solved
Count how many elements are above the mean
Given a vector, return the count of elements strictly greater than the mean of the vector. Example: above_mean_count([1 2 3 4 5]...
4 hours ago
Solved
Convert Celsius temperature to Fahrenheit
Given a temperature in Celsius, return the equivalent in Fahrenheit. Formula: F = C * 9/5 + 32Example: cel2fahr(100) returns 212...
4 hours ago
Solved
Determine if a number is prime
Given a positive integer n, return 1 if it is prime, 0 otherwise. Example: is_prime(7) returns 1, is_prime(4) returns 0
4 hours ago
Solved
Sum the main diagonal of a matrix
Given a square matrix, return the sum of its main diagonal elements. Example: diag_sum([1 2 3; 4 5 6; 7 8 9]) returns 15
4 hours ago











