Hafeezul Kareem has Published 380 Answers

Next Larger element in n-ary tree in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 25-Oct-2021 04:01:50

The n-ary tree is the tree with n children for each node. We are given a number n and we have to find the next larger element from the n-ary tree.We can find the solution by traversing through the n-ary tree and maintaining the result.AlgorithmCreate n-ary tree.Initialise a result.Write a ... Read More

Next higher number with same number of set bits in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 25-Oct-2021 03:55:28

We are given a number n, we have to find the number that is greater than n with same number of set bits as n in its binary representation.The digit 1 in the binary representation is called set bit.Let's see an example.Input124Output143AlgorithmInitialise the number n.Write a function get the count ... Read More

Next higher number using atmost one swap operation in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 25-Oct-2021 03:51:21

Given a number n, swap any two digits of the number so that the resulting number is greater than the number n. If it's not possible then print -1. Let's see an example.Input12345Output12354We have swapped the digits 4 and 5. And we got the higher number with one swap.AlgorithmIt's not ... Read More

Next greater Number than N with the same quantity of digits A and B in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 25-Oct-2021 03:46:00

Given N, A, and B. Find the number which is greater than N with the same number of A and B digits. Let's see an example.N = 1234 A = 2 B = 3We need to check for every possibility of the given number of digits. There are two digits to form ... Read More

Next greater integer having one more number of set bits in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 25-Oct-2021 03:38:03

We are given a number n, we have to find the number that is greater than n with one more set bit than n in its binary representation.The digit 1 in the binary representation is called set bit.Let's see an example.Input124Output125AlgorithmInitialise the number n.Write a function get the count of ... Read More

Next Greater Element in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 23-Oct-2021 18:16:34

The next greater element is the element that is first greater element after it. Let's see an example.arr = [4, 5, 3, 2, 1]The next greater element for 4 is 5 and the next greater element for elements 3, 2, 1 is -1 as there is no greater element after ... Read More

Next greater element in same order as input in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 23-Oct-2021 17:54:39

The next greater element is the element that is first greater element after it. Let's see an example.arr = [4, 5, 3, 2, 1]The next greater element for 4 is 5 and the next greater element for elements 3, 2, 1 is -1 as there is no greater element after ... Read More

Newman-Shanks-Williams prime in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 23-Oct-2021 17:48:11

The newman-shanks-williams prime sequence is as follows1, 1, 3, 7, 17, 41...If we generalise the sequence items, we geta0=1 a1=1 an=2*a(n-1)+a(n-2)AlgorithmInitialise the number n.Initialise the first numbers of the sequence 1 and 1.Write a loop that iterates till n.Compute the next number using the previous numbers.Update the previous two numbers.Return ... Read More

Nesbitt’s Inequality in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 23-Oct-2021 17:42:01

The nesbitt's inequality is (a/(b + c)) + (b/(c + a)) + (c/(a + b))>= 1.5, a > 0, b > 0, c > 0Given three number, we need to check whether the three numbers satisfy Nesbitt's inequality or not.We can test whether three number are satisfied nesbitt's inequality or ... Read More

Neon Number in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 23-Oct-2021 08:01:01

A neon number is a number where the sum of digits of the square of the number is equal to the number. Let's take an example.n = 9square = 81sum of digits of square = 8 + 1 = 9So, the number 9 is a neon number.We need to check ... Read More

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