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Find the value of ln(N!) using Recursion

Last Updated: 23 June 2022

Given a number N, the task is to find the log value of the factorial of N i.e. log(N!).Note: ln means log with base e.Examples:Input: N = 2Output: 0.693147Input: N = 3Out ...read more

Logarithm: Aptitude Question and Answers

Last Updated: 19 March 2023

Logarithm is an important topic that needs to be prepared well for the Quantitative Aptitude section of exams in India. It requires practicing a lot of questions within ti...read more

Larger of a^b or b^a (a raised to power b or b raised to power a)

Last Updated: 31 August 2022

Given two numbers[Tex]$a and b$[/Tex], find which is greater[Tex]a^b or \, b^a[/Tex].If[Tex]a^b b^a[/Tex], print a^b is greaterIf[Tex]a^b b^a[/Tex], print b^a is greater ...read more

Check if a number can be expressed as a^b | Set 2

Last Updated: 31 August 2022

You have given a number n. Check if a number can be represented in the form of pow(a, b) (a^b).Examples:Input : 4Output : Yes22 = 4Input : 12Output : NoWe have discussed t ...read more

Print all substring of a number without any conversion

Last Updated: 01 September 2022

Given an integer N, the task is to print all the substring of N without doing any conversion i.e converting it into a string or an array.Examples:Input: N = 12345Output: P ...read more

Divide two integers without using multiplication, division and mod operator | Set2

Last Updated: 19 October 2022

Given two integers say a and b. Find the quotient after dividing a by b without using multiplication, division and mod operator.Examples:Input: a = 10, b = 3Output: 3Input ...read more

Program to compare m^n and n^m

Last Updated: 20 December 2022

Given two positive integers m and n, the task is to write a program that checks whether m^n is greater than, less than, or equal to n^m.Examples :Input: m = 3, n = 10Outpu ...read more

Number of digits in N factorial to the power N

Last Updated: 08 September 2022

Given a positive integer N, we have to find the total number of digits in the factorial of N raised to the power N, i.e,[Tex](N!)^N[/Tex]Examples:Input: 4Output: 6Explanat ...read more

Mathematical

Competitive Programming

Find larger of x^y and y^x

Last Updated: 19 December 2022

Given two integer numbers, X and Y. find the larger of X^Y and Y^X or determine if they are equal.Examples:Input : 2 3Output : 3^2We know 3^2 = 9 and 2^3 = 8.Input : 2 4Ou ...read more

Check if a number can be expressed as power | Set 2 (Using Log)

Last Updated: 14 June 2022

Check if a number can be expressed as x^y (x raised to power y)Given a positive integer n, find if it can be expressed as x^y where y 1 and x 0. x and y both are integer ...read more

Given a number N in decimal base, find number of its digits in any base (base b)

Last Updated: 28 February 2023

Given A Number n in a base 10, find the number of digits in its base b representation.Constraints :[Tex]N \in \mathbb{W}[/Tex]WholeExamples :Input : Number = 48 Ba ...read more

Mathematical

maths-log

DSA

Number of digits in 2 raised to power n

Last Updated: 12 April 2023

Let n be any power raised to base 2 i.e 2n. We are given the number n and our task is to find out the number of digits contained in the number 2n.Examples:Input : n = 5Out ...read more

Basic Coding Problems

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