Project-Euler-solutions | Runnable code for solving Project Euler problems | Math library
kandi X-RAY | Project-Euler-solutions Summary
kandi X-RAY | Project-Euler-solutions Summary
Runnable code for solving Project Euler problems in Java, Python, Mathematica, Haskell.
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- Runs the game
- Calculates the sum of squares of a given number of mod digits
- Build and return all the solutions of a factor
- Returns the number of ways that can be filled with the given length
- The Run algorithm
- Computes the power of n n
- Returns the binomial choose k
- Calculate the factorial of a n
- Checks to see if a given number of bits is unique
- Increments the given base - counter
- Parse a Roman numeral
- Create a new empty triangle
- Performs the decomposition
- Returns the maximum number of possible substrings in the grid
- Calculate the sum
- Runs the algorithm and returns the result
- Checks to see if a given integer is a Lynchrel
- Converts an integer to English string
- Calculate the total number of times
- Increments the trie complement state
- Compute the prime primes for a given number
- Run algorithm
- Computes the product of the factorial of a long
- Returns true if x is a power of x
- Gets the continued fraction of the continued fraction
- Calculate generating function
- Compute the remainder of the remainder of a set
- Returns the number of unconcealed values in the given prime
- Calculate the number sum
- Returns the product of the given points
- Performs the regular aggregation
- Compute the largest divis of two integers
- Returns the number of divisors that are divided by n
- Test whether n is truncatable
- Returns the index of the cumulative binomial probability
- Returns the day of week
- Checks to see if n is redundant
- Run the analysis
- Returns the sum of the factorial prime prime factors
- Performs linear search
- The largest number of digits
- Defines a n - digit number
- Performs the calculation
- Compute the square root of a positive integer
- Calculate the square root of a BigInteger
- Compute the square root of a positive number
- Convert an integer to digits
- Convolves the two integers
- Returns the length of the roman number
- Returns the sum of the solution
- Returns a set of possible powers in the given range
- Checks to see if the dicele is valid
- Checks if two elements are disjoint sorted
- Performs the analysis
- Finds the highest rank of a set
- Computes the number of ways to be the given throw point
- Gets the statistical analysis
- Evaluate and return the result
- Performs the test
- Calculates the optimal solution for a given number of solutions
- Compute the nearest integer
- Calculate the length of a cycle
- Performs the search algorithm
- Computes the number of ways for each occurrence
- Compute word value
- Write a human readable phrase
- Returns the smallest factor of n
- Computes the remainder of m^k
- Checks to see if n is n
- Compute the factorial of an integer
- Measure the number of seconds
- Replies the given set of decimal digits
- Raises an integer to a long
- Checks to see if a number is a triangle
- Returns the day of the week
- Runs the Runn algorithm
- Counts the number of products for a given prime
- Checks to see if a triangle is in a triangle
- Compute the algebraic version of A
- Returns the factorial of a positive integer
- Checks if the nacci fibonacci value is parsed
- Checks to see if the specified string is PAIGitalitalital
- Returns the next prime
- Checks if an arrangement is valid
- Returns the run number
- Returns true if n is generated by n
- Performs a search
- Gets the SHA - 1 algorithm
- Counts the number of reduced fractions of a reduction tree
- Returns true if x is a pentagonal number
- Compute the digit sum
- Test whether a point is a right triangle
- Compute the next number
- Performs the GCS algorithm
- Checks if multiples have the same digits
- This method returns number of digits
- Returns true if there is two amino acids
- Test to see if n is a square square
- Test if n is prime
- Perform the algorithm
- Returns the number of times repeated times
- Returns the length of the CollatzChain
- Count the number of unconnecaled elements
- Compute digit sum
- Returns a new array with the specified mask
- Performs a mask with a given mask
- Checks whether n is satisfied
- Determines whether there is a valid product of x and y
- Compute the fifth power digit sum
- Sums the values in an array
- Counts the prime sets up in the given set
- Converts an array of digits to an integer
- Compute the n - digit hexadecimal digits
- Performs the computation
- Gets the number of syllchrels
- This method returns the longest sequence number
- Calculate power of n
- The word is numeric
- Computes the smallest number n - a set of numbers
- Returns the run time
- Decrypts a cipher with the given key
- Returns the number of classes being compiled
- Runs the analysis
- Explicitly explore the GCD distribution
- Calculates the number of times a finite period
- Retrieves a next random number of times
- Calculate the digit sum of an integer
- Compares two integers
- Compute the divisor sum
- Gets the sum of amicable numbers
- Checks to see if the n is circular
- Returns the number of times this prime was compiled
- Returns the longest period number
- Returns the longest chain length
- Special handling for testing purposes
- Tries to find the best set for the given prefix
- Performs a linear search using the regular expression
- Explore the given number of colors
- Runs the algorithm on the network
- Transforms a non - negative integer into an array of digits
- Returns the number of ways for a d - number
- Runs the Floyd s algorithm
- Performs primes
- Performs a cube
- Returns the Fibonacci modulo modulo n
- Performs the actual run
- Returns the sum of all possible sums up to the specified size
- Convenience function to compute a subset of a ndarray
- Performs a run
- Gets the longest longest sequence
- Returns an array of all possible solutions in ascending order
- Convert number to segments
- Calculates the minimum length of a set of spheres
- Runs the Eratost algorithm
- Recursive method that traverses through the chains
- Performs a depth - first search
- Calculates the Secant Method
- Returns the mod of x
- Generate all possible solutions of the largest side
- Compute the number of bits required to encode a circle
- Returns an array that evaluates to true for all elements in i
- Run the SUBSE algorithm
- Retrieves the continued fraction
- Performs a linear search
- Calculates the position of the stack for a given position
- Calculates the prime power factors
- Examine all possible numbers in a range
- Computes the expected singular values for the given state
- Solveudoku
- Compute the square root of a BigInteger
- Given a set of integers returns the index of the longest consecutive consecutive consecutive consecutive consecutive consecutive occurrences
- The main method
- Convert a grid to four lines
- Returns the minimum number of n - digit numbers
- Runs the algorithm
- Runs the benchmark
- Performs the search
- Computes the shortest path
- Perform the algorithm
- Runs the simulation on the machine
- Performs the benchmark
- Runs the algorithm
- Returns a string representation of this algorithm
- Performs the algorithm
- Performs a set of states
- Performs the crypto algorithm
- Run the algorithm
- Returns the score for a given hand
- Returns the largest square pair of two strings
- Run the algorithm
- Runs the simulation
- Advances the given sequence to the next permutation
- Calculates the estimated ways
- Formats a set of integers
- Checks to see if a set is special sum set
- Runs the Bellman algorithm
- Runs the search algorithm
- The main algorithm
- This method will be used for debugging
- Search for the smallest number of elements in the given target
- Performs the calculation
- Generate a random permutation of the given sequence
- Calculates how many ways are evenly counted
- Performs a long on the system
- Returns a decimal representation of a given fractional decimal places
- Returns the smallest solution x
- Gets all prime numbers in ascending order
- Calculate a fibonacci value
- Gets the smallest prime factors
- Sum all periods
- Checks whether the sequence contains a valid tribonacci sequence
- Runs this program
- Returns the number of distinct prime factors
- Returns the least divisible power of n
- Calculate the optimum polylynomial
- This method returns the run of the algorithm
- Creates a sum from the given sum
- Calculates the number of ways to use
- Returns true if x is prime
- Runs the continued fraction
- Returns a circular continued fraction of n
- Returns the power of x
- Checks to see if something is consistent
- Returns whether the given integer is prime or not
- Returns the maximum sum for a given row
- Calculate the prime powers
- Run a random number generator
- Count the number of solutions in p
- Runs the program
- Computes the penalty score for the given byte array
- The calculation of the Fibonacciacci sequence
- Lists ways
- Sort letters by position
- Gets the number
- Calculate the volume of a given sample
- Performs the QR algorithm
- Performs the iteration
- Adds n n n n
- Test if two integers are prime prime
- Calculates the run of this sketch
- Calculates the number of occurrences of each prime
- Generates an array of totients
- Runs the Fibonacci sequence
- Returns the 5 cardinal ranks of the given rank
- Returns true if x is a b
- Returns a string of 32 - bit integers
- Runs the number of corners in the image
- Search for the number of partitions
- Calculate the minimum number of transitions between n and max transitions
- The number of converters
- The main loop
- Constructs the coordinate system
- Compares two powers of x and y
- Compute the number of divisors of n
- Run a random permutation
- Performs the test
- Gets the max digit
- Get the quotient of n n
- Given a box returns the probability of b
- Runs the iterations
- Compute the power of x m
- Converts an integer into a char array
- Computes the number of partitions
- Test if n is consecutive prime
- Convenience method to find the best split solution
- Computes the number of consecutive consecutive primes generated by a given set of integers
Project-Euler-solutions Key Features
Project-Euler-solutions Examples and Code Snippets
Lines of Code : 11License : Permissive (MIT License)
Copydef test_project_euler(solution_path: pathlib.Path) -> None:
"""Testing for all Project Euler solutions"""
# problem_[extract this part] and pad it with zeroes for width 3
problem_number: str = solution_path.parent.name[8:].zfill(3)
Community Discussions
Trending Discussions on Math
QUESTION
I recently came across this problem:
You are given two strings, s1 and s2, comprised entirely of lowercase letters 'a' through 'r', and need to process a series of queries. Each query provides a subset of lowercase English letters from 'a' through 'r'. For each query, determine whether s1 and s2, when restricted only to the letters in the query, are equal. s1 and s2 can contain up to 10^5 characters, and there are up to 10^5 queries.
For instance, if s1 is "aabcd" and s2 is "caabd", and you are asked to process a query with the subset "ac", then s1 becomes "aac" while s2 becomes "caa". These don't match, so the query would return false.
I was able to solve this in O(N^2) time by doing the following: For each query, I checked if s1 and s2 would be equal by iterating through both strings, one character at a time, skipping the characters that do not lie within the subset of allowed characters, and checking to see if the "allowed" characters from both s1 and s2 match. If at some point, the characters don't match, then the strings are not equal. Otherwise, the s1 and s2 are equal when restricted only to letters in the query. Each query takes O(N) time to process, and there are N queries, for a total of O(N^2) time.
However, I was told that there was a way to solve this faster in O(N). Does anyone know how this might be done?
...ANSWER
Answered 2022-Mar-28 at 11:30The first obvious speedup is to ensure your set membership test is O(1). To do that, there's a couple of options:
- Represent every letter as a single bit -- now every character is an 18-bit value with only one bit set. The set of allowed characters is now a mask with these bits ORed together and you can test membership of a character with a bitwise-AND;
- Alternatively, you can have an 18-value array and index it by character (
c - 'a'would give a value between 0 and 17). The test for membership is then basically the cost of an array lookup (and you can save operations by not doing the subtraction -- instead just make the array larger and index directly by character.
The next potential speedup is to recognize that any character which does not appear exactly the same number of times in both strings will instantly be a failed match. You can count all character frequencies in both strings with a histogram which can be done in O(N) time. In this way, you can prune the search space if such a character were to appear in the query, and you can test for this in constant time.
Of course, that won't help for a real stress-test which will guarantee that all possible letters have a frequency matched in both strings. So, what do you do then?
Well, you extend the above premise by recognizing that for any position of character x in string 1 and some position of that character in string 2 that would be a valid match (i.e the same number of character x appears in both strings up to their respective positions), then the total count of any other character up to those positions must also be equal. For any character where that is not true, it cannot possibly be compatible with character x.
Let's start by thinking about this in terms of a technique known as memoization where you can leverage precomputed or partially-computed information and get a whole lot out of it. So consider two strings like this:
QUESTION
It is a number whose gcd of (sum of quartic power of its digits, the product of its digits) is more than 1. eg. 123 is a special number because hcf of(1+16+81, 6) is more than 1.
I have to find the count of all these numbers that are below input n. eg. for n=120 their are 57 special numbers between (1 and 120)
I have done a code but its very slow can you please tell me to do it in some good and fast way. Is there is any way to do it using some maths.
...ANSWER
Answered 2022-Mar-06 at 18:14The critical observation is that the decimal representations of special numbers constitute a regular language. Below is a finite-state recognizer in Python. Essentially we track the prime factors of the product (gcd > 1 being equivalent to having a prime factor in common) and the residue of the sum of powers mod 2×3×5×7, as well as a little bit of state to handle edge cases involving zeros.
From there, we can construct an explicit automaton and then count the number of accepting strings whose value is less than n using dynamic programming.
QUESTION
I need to calculate the square root of some numbers, for example √9 = 3 and √2 = 1.4142. How can I do it in Python?
The inputs will probably be all positive integers, and relatively small (say less than a billion), but just in case they're not, is there anything that might break?
Related
- Integer square root in python
- Is there a short-hand for nth root of x in Python?
- Difference between **(1/2), math.sqrt and cmath.sqrt?
- Why is math.sqrt() incorrect for large numbers?
- Python sqrt limit for very large numbers?
- Which is faster in Python: x**.5 or math.sqrt(x)?
- Why does Python give the "wrong" answer for square root? (specific to Python 2)
- calculating n-th roots using Python 3's decimal module
- How can I take the square root of -1 using python? (focused on NumPy)
- Arbitrary precision of square roots
Note: This is an attempt at a canonical question after a discussion on Meta about an existing question with the same title.
...ANSWER
Answered 2022-Feb-04 at 19:44math.sqrt()
The math module from the standard library has a sqrt function to calculate the square root of a number. It takes any type that can be converted to float (which includes int) as an argument and returns a float.
QUESTION
I write a mathematical function to be benchmark function in my optimization algorithm.
...ANSWER
Answered 2022-Feb-12 at 13:14In the platform that produces “-4,09139395927863E+154”, the Math.Cos routine is broken. It apparently uses a processor instruction that does not support operands outside [−2−63, +2−63].
Since I do not use C#, here is a C program that reproduces the correct behavior:
QUESTION
In particular, it must work with NaNs as std::copysign does. Similarly, I need a constexpr std::signbit.
ANSWER
Answered 2021-Sep-20 at 19:54If you can use std::bit_cast, you can manipulate floating point types cast to integer types. The portability is limited to the representation of double, but if you can assume the IEEE 754 double-precision binary floating-point format, cast to uint64_t and using sign bit should work.
QUESTION
I'm working on some heavy algorithm, and now I'm trying to make it multithreaded. It has a loop with 2 nested loops:
...ANSWER
Answered 2021-Dec-20 at 09:25A third attempt:
I've taken your code, and at last got it to run properly (in python):
QUESTION
I would like to make the following sequence in R, by using rep or any other function.
ANSWER
Answered 2022-Jan-04 at 15:43Use sequence.
QUESTION
I am trying to achieve a calculation involving geometric progression (split). Is there any effective/efficient way of doing it. The data set has millions of rows. I need the column "Traded_quantity"
Marker Action Traded_quantity 2019-11-05 09:25 0 0 09:35 2 BUY 3 09:45 0 0 09:55 1 BUY 4 10:05 0 0 10:15 3 BUY 56 10:24 6 BUY 8128turtle = 2 (User defined)
base_quantity = 1 (User defined)
...ANSWER
Answered 2022-Jan-22 at 10:09This should work
QUESTION
I want to create a polynomial ring which has float Coefficients like this. I can create with integers but, Floats does not work.
...ANSWER
Answered 2022-Jan-18 at 23:30While I do not have previous experience with this particular (from appearances, rather sophisticated) package Oscar.jl, parsing this error message tells me that the function you are trying to call is being given a BigFloat as input, but simply does not have a method for that type.
At first this was a bit surprising given that there are no BigFloats in your input, but after a bit of investigation, it appears that the culprit is the following
QUESTION
I don't know if this is possible, but I am trying to take the image of a custom outdoor football field layout and have the players' GPS coordinates correspond to the image xand y position. This way, it can be viewed via the app to show the players' current location on the field as a sort of live tracking.
I have also looked into this Convert GPS coordinates to coordinate plane. The problem is that I don't know if this would work and wanted to confirm beforehand. The image provided in the post was for indoor location, and it was from 11 years ago.
I used Location and Google Maps packages for flutter. The player's latitude and longitude correspond to the actual latitude and longitude that the simulator in the android studio shows when tested.
The layout in question and a close comparison to the result I am looking for.
Any help on this matter would be appreciated highly, and thanks in advance for all the help.
Edit:
After looking more at the matter I tried the answer of this post GPS Conversion - pixel coords to GPS coords, but it wasn't working as intended. I took some points on the image and the correspond coordinates, and followed the same logic that the answer used, but reversed it to give me the actual image X, Ypositions.
The formula that was given in the post above:
...ANSWER
Answered 2022-Jan-12 at 08:20First of All, Yes you can do this with high accuracy if the GPS coordinates are accurate.
Second, the main problem is rotation if the field are straight with lat lng lines this would be easy and straightforward (no bun intended).
The easy way is to convert coordinate to rotated image similar to the real field then rotated every X,Y point to the new straight image. (see the image below)
Here is how to rotate x,y knowing the angel:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install Project-Euler-solutions
You can use Project-Euler-solutions like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Project-Euler-solutions component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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