## Largest number smaller than or equal to n and digits in non-decreasing order

Given a number n, find the Largest number smaller than or equal to n and digits in non-decreasing order. Examples: Input : n = 200… Read More »

## Check if frequency of each digit is less than the digit

Given an integer n, the task is to check if frequency of each digit of the number is less than or equal to digit itself.… Read More »

## Check if a larger number divisible by 36

Given a number, check whether a given number is divisible by 36 or not. The number may be very large and may not fit in… Read More »

## Check if a large number is divisible by 9 or not

Given a number, the task is to find if the number is divisible by 9 or not. The input number may be large and it… Read More »

## Convert Binary fraction to Decimal

Given an string of binary number n. Convert binary fractional n into it’s decimal equivalent. Exanples: Input: n = 110.101 Output: 6.625 Input: n =… Read More »

## Count rotations divisible by 4

Given a large positive number as string, count all rotations of the given number which are divisible by 4. Examples: Input: 8 Output: 1 Input:… Read More »

## Check if a large number is divisible by 6 or not

Given a number, the task is to check if a number is divisible by 6 or not. The input number may be large and it… Read More »

## Sum of all substrings of a string representing a number | Set 1

Given a integer represented as a string, we need to get the sum of all possible substrings of this string. Examples: Input : num =… Read More »

## Check if a large number is divisible by 8 or not

Given a number, the task is to check if a number is divisible by 8 or not. The input number may be large and it… Read More »

## Find the missing number in a string of numbers with no separator

Given a string consisting of some numbers, not separated by any separator. The numbers are positive integers and the sequence increases by one at each… Read More »

## Check if a large number is divisible by 4 or not

Given a number, the task is to check if a number is divisible by 4 or not. The input number may be large and it… Read More »

## Check if a large number is divisible by 3 or not

Given a number, the task is that we divide number by 3. The input number may be large and it may not be possible to… Read More »

## Check if a large number is divisible by 11 or not

Given a number, the task is to check if the number is divisible by 11 or not. The input number may be large and it… Read More »

## Seeds (Or Seed Roots) of a number

A Seed of a number n is a number x such that multiplication of x with its digits is equal to n. The task is… Read More »

## Count of Binary Digit numbers smaller than N

Given a limit N, we need to find out the count of binary digit numbers which are smaller than N. Binary digit numbers are those… Read More »