We need to find the number of digits in the nth number made of given four digits 1, 2, 3, and 4.The series with the above four digits is as follows1, 2, 3, 4, 11, 12, 13, 14, 21, 22, 23, 24...We need to find the number of digits of ... Read More

The power of a number can be computed using the iterative multiplication or function that the language provides. It's a straightforward thing.Here, we have to find the a raised to power b. And the number of digits in the result. Let's see some examples.Inputa = 5 b = 2Output2 Inputa ... Read More

The power of a number can be computed using the iterative multiplication or function that the language provides. It's a straightforward thing.Here, we have to find the 2 raised to power n. And the number of digits in the result. Let's see some examples.Input5Output2Input10Output4 AlgorithmInitialise the number n.Find the value ... Read More

We are given two numbers n and k. We need to find the count of arrays that can be formed using the n numbers whose sum is k.The number of arrays of size N with sum K is $\dbinom{k - 1}{n - 1}$.This a straightforward formula to find the number ... Read More

In this tutorial, we are going to write a program that finds the number of anomalies in the given array.A number is an anomaly in the given array if the absolute difference between the number and all other numbers is greater than the given number k. Let's see an example.Inputarr ... Read More

It's a straightforward problem. We can use the modulo (%) operator to check whether the given number is divisible by 29 or not. Let's see some examples.Input29 254Output1 0AlgorithmImplementationFollowing is the implementation of the above algorithm in C++#include using namespace std; bool isDivisibleBy29(long long n) {    return n ... Read More

The coefficients of each term of the polynomial are given in an array. We need to multiply the two polynomials. Let's see an example.InputA = [1, 2, 3, 4] B = [4, 3, 2, 1]Output4x6 + 11x5 + 20x4 + 30x3 + 20x2 + 11x1 + 4AlgorithmInitialise two polynomials.Create a ... Read More

Given two linked lists with digits in it. We need to multiply two numbers formed by the linked list. It can be done easily by forming the numbers from the two linked lists. Let's see an example.Input1 -> 2 -> NULL 2 -> 3 -> NULLOutput2 -> 7 -> 6 ... Read More

Given two linked lists with digits in it. We need to multiply two numbers formed by the linked list. It can be done easily by forming the numbers from the two linked lists. Let's see an example.Input1 -> 2 -> NULL 2 -> 3 -> NULLOutput2 -> 7 -> 6 ... Read More

Given two numbers in the string formats. We need to multiply them. The idea to solve the problem is to maintain a previous digit multiplication answer and carry. We can use the previous digits multiplication answer and carry to get the next set digits multiplication.Let's see an example.Input15 2Output30AlgorithmInitialise the ... Read More