## Minimum digits to remove to make a number Perfect Square

Given a integer n, we need to find how many digits remove from the number to make it a perfect square. Examples: Input : 8314… Read More »

- Find minimum operations needed to make an Array beautiful
- Count the number of carry operations required to add two numbers
- Program to find the Nth Harmonic Number
- Element which occurs consecutively in a given subarray more than or equal to K times
- Smallest multiple of 3 which consists of three given non-zero digits
- Find the minimum positive integer such that it is divisible by A and sum of its digits is equal to B
- Next greater Number than N with the same quantity of digits A and B
- Natural Numbers
- Fascinating Number
- Common prime factors of two numbers
- Check whether a given Number is Power-Isolated or not
- Minimum number of cuts required to make circle segments equal sized
- Sum of elements in range L-R where first half and second half is filled with odd and even numbers
- Tetranacci Numbers
- 10's Complement of a decimal number
- Find largest number smaller than N with same set of digits
- Sum of all even numbers in range L and R
- Count pairs of numbers from 1 to N with Product divisible by their Sum
- C program to Check Whether a Number is Positive or Negative or Zero
- Weird Number
- Find permutation of n which is divisible by 3 but not divisible by 6
- Triplet with no element divisible by 3 and sum N
- Hyperfactorial of a number

Given a integer n, we need to find how many digits remove from the number to make it a perfect square. Examples: Input : 8314… Read More »

Given two integer number n and d. The task is to find the number between 0 to n which contain the specific digit d. Examples:… Read More »

Given N, check if the number is Fibbinary Number or not. Fibbinary numbers are integers whose binary representation contains no consecutive ones. Examples : Input… Read More »

Given a number n, find sum of square of first n odd natural numbers. Examples : Input : 3 Output : 35 12 + 32… Read More »

Given a number n, find sum of square of first n even natural numbers. Examples : Input : 3 Output : 56 22 + 42… Read More »

Find the smallest number such that the sum of its digits is N and it is divisible by . Examples : Input : N =… Read More »

Given an integer n, find the absolute difference between sum of the squares of first n natural numbers and square of sum of first n… Read More »

You are given a number n, the task is to find nth octagonal number. Also, find the Octagonal series till n. An octagonal number is… Read More »

Given two non-negative integers a and b. The problem is to check whether the two numbers differ at one bit position only or not. Examples:… Read More »

Given x, y, z and n, find smallest n digit number which is divisible by x, y and z. Examples: Input : x = 2,… Read More »

Given a number n, find a number in range from 1 to n such that its sum is maximum. If there are several such integers,… Read More »

Given an integer N, find out the count of numbers(m) that satisfy the condition m + sum(m) + sum (sum(m)) = N, where sum(m) denotes… Read More »

Express a given number as a summation of 4 positive primes. If it is not possible to express then print “-1”. Examples: Input: 24 Output:… Read More »

Given a positive integer n(1 <= n <= 1018). Check whether a number has exactly three distinct factors or not. Print “Yes” if it has… Read More »

Given an integer n, print m increasing numbers such that the sum of m numbers is equal to n and the GCD of m numbers… Read More »