## Count digits in a number

Problem Statement: Given an integer N, write a program to count the number of digits in N. Examples Example 1:

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## Power of Two

Problem Statement: Given a positive integer, we have to check whether it is a power of two or not. Examples:

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## Count Trailing Zeroes

Problem Statement: “Given an integer n, return the number of trailing zeroes in n!. Note that n! = n *

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## Bitwise Operators in C++

In this article, we will learn about all Bitwise Operators in CPP. What are Operators? In programming languages, the operator

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## Print all Divisors of a given Number

Problem Statement: Given a number, print all the divisors of the number. A divisor is a number that gives the

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## Convert Decimal to Binary Number

Problem Statement: Convert decimal to binary number. Examples: Example 1: Input: N = 15 Output: 1111 Explanation: 15 in binary

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## Express given number as Sum of Two Prime Numbers

Problem: Given a number n, express the number as a sum of 2 prime numbers. Examples: Example 1: Input :

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## Calculate the Power of a Number : Binary Exponentiation

Problem Statement: Find the Power of a number. Examples: Example 1: Input: N = 5, k=3 Output: 125 Explanation: Since

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## Rearrange array in increasing-decreasing order

Problem Statement: Rearrange the array such that the first half is arranged in increasing order, and the second half is

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## Sum of the Numbers in a String

Problem: Given a string, calculate the sum of numbers in a string (multiple consecutive digits are considered one number) Examples:

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