Confusion in logic of leetcode problem 918...

How to compute a^^b mod m?...

Calculate discrete logarithm...

Python: speed up pow(base,exp,mod) for fixed exp and mod, or with vectorization...

Restore a number from several its remainders (chinese remainder theorem)...

Getting a list of square-free numbers...

Finding perfect numbers (optimization)...

How many distinct digit permutations exist for a specific N-digit number?...

Oakley group 2 prime number contains pi, an irrational number...

Is there a way to find a Carmichael number having N prime factors in a given range?...

Sieve of Eratosthenes: speeding up the "cross off multiples" step...

Remove duplicate during count in PARI GP...

How would I solve a linear Diophantine congruence in Python?...

Is it possible to test whether a number is prime or not in O(logn)?...

How to determine reachable states in 3 water jug problem?...

How to solve the error ' [not a vector ]'...

How to solve a delay differential equation numerically...

Euler function of C(n, k)...

A Program to Find Absolute Euler Pseudoprimes...

Integral basis nf.zk versus nfbasis in Pari GP...

How to approach and understand a math related DSA question...

Circular convolution of binary vectors (mod 2) using NTT...

How to find a sequence like this?...

Function to determine if a range of consecutive (positive) integers can be written as the sum of two...

Count possible combinations of factors of number N, excluding 1 and itself, which on multiplication ...

Find b that (a+b) divisible to K...

Modular multiplicative inverse...

Visualizing gaussian primes and gaussian prime factors in Python...

How to come up with a normal solution to the problem of brute force?...

C program to find positive integers with beautiful property...