Mathematical Algorithms
Mathematical algorithms in Data Structures and Algorithms (DSA) are fundamental tools used to solve various computational problems efficiently. These algorithms leverage mathematical concepts and principles to optimize solutions for tasks such as sorting, searching, and graph traversal . By applying mathematical techniques, these algorithms aim to enhance performance, reduce complexity, and provide precise solutions in the realm of computer science and programming.
Divisibility & Large Numbers:
- Check if a large number is divisible by 3 or not
- Check if a large number is divisible by 4 or not
- Check if a large number is divisible by 6 or not
- Check divisibility by 7
- Check if a large number is divisible by 9 or not
- Check if a large number is divisible by 11 or not
- Divisibility by 12 for a large number
- Check if a large number is divisible by 13 or not
- Check if a large number is divisibility by 15
- Number is divisible by 29 or not
GCD and LCM:
- LCM of array
- GCD of array
- Basic and Extended Euclidean algorithms
- Stein’s Algorithm for finding GCD
- GCD, LCM and Distributive Property
- Count number of pairs (A <= N, B <= N) such that gcd (A, B) is B
- Program to find GCD of floating point numbers
- Series with largest GCD and sum equals to n
- Largest Subset with GCD 1
- Summation of GCD of all the pairs up to N
Series:
- Juggler Sequence
- Padovan Sequence
- Aliquot Sequence
- Moser-de Bruijn Sequence
- Stern-Brocot Sequence
- Newman-Conway Sequence
- Sylvester’s sequence
- Recaman’s sequence
- Sum of the sequence 2, 22, 222, ………
- Sum of series 1^2 + 3^2 + 5^2 + . . . + (2*n – 1)^2
- Sum of the series 0.6, 0.06, 0.006, 0.0006, …to n terms
- n-th term in series 2, 12, 36, 80, 150….
Number Digits:
- Minimum digits to remove to make a number Perfect Square
- Print first k digits of 1/n where n is a positive integer
- Check if a given number can be represented in given a no. of digits in any base
- Find element using minimum segments in Seven Segment Display
- Find next greater number with same set of digits
- Check if a number is jumbled or not
- Numbers having difference with digit sum more than s
- Total numbers with no repeated digits in a range
- K-th digit in ‘a’ raised to power ‘b’
Algebra:
- Program to add two polynomials
- Multiply two polynomials
- Find number of solutions of a linear equation of n variables
- Calculate the Discriminant Value
- Program for dot product and cross product of two vectors
- Iterated Logarithm log*(n)
- Program to find correlation coefficient
- Program for Muller Method
- Number of non-negative integral solutions of a + b + c = n
- Generate Pythagorean Triplets
Number System:
- Exponential notation of a decimal number
- Check if a number is power of k using base changing method
- Convert a binary number to hexadecimal number
- Program for decimal to hexadecimal conversion
- Converting a Real Number (between 0 and 1) to Binary String
- Convert from any base to decimal and vice versa
- Decimal to binary conversion without using arithmetic operators
Prime Numbers & Primality Tests:
Prime Factorization & Divisors:
Modular Arithmetic:
- Modular Exponentiation (Power in Modular Arithmetic)
- Modular multiplicative inverse
- Modular Division
- Euler’s criterion (Check if square root under modulo p exists)
- Find sum of modulo K of first N natural number
- How to compute mod of a big number?
- Exponential Squaring (Fast Modulo Multiplication)
- Trick for modular division ( (x1 * x2 …. xn) / b ) mod (m)
Factorial:
- Program for factorial of a number
- Legendre’s formula (Given p and n, find the largest x such that p^x divides n!)
- Count trailing zeroes in factorial of a number
- Factorial of a large number
- Primorial of a number
- Find maximum power of a number that divides a factorial
- Largest power of k in n! (factorial) where k may not be prime
- Check if a number is a Krishnamurthy Number or not
- Last non-zero digit of a factorial
- Count digits in a factorial using Logarithm
Fibonacci Numbers:
Catalan Numbers:
nCr Computations:
Set Theory:
Sieve Algorithms:
Euler Totient Function:
Chinese Remainder Theorem:
Some Practice Problems:
- Interquartile Range (IQR)
- Simulated Annealing
- Pseudo Random Number Generator (PRNG)
- Square root of a number using log
- Find ways an Integer can be expressed as sum of n-th power of unique natural numbers
- N-th root of a number
- Fast Fourier Transformation for poynomial multiplication
- Find Harmonic mean using Arithmetic mean and Geometric mean
- Double Base Palindrome
- Program for Derivative of a Polynomial
- Sgn value of a polynomial
- Check if a number is a power of another number
- Program to evaluate simple expressions
- Make a fair coin from a biased coin
- Implement *, – and / operations using only + arithmetic operator
Quick Links :
- Learn Data Structure and Algorithms | DSA Tutorial
- Practrice Problems on Mathematical Algorithms
- Quizzes on Mathematical Algorithms
- Videos on Mathematical Algorithms
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