Hafeezul Kareem has Published 328 Articles

Next smallest prime palindrome in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 25-Oct-2021 04:27:23

231 Views

We are given a number N. We need to find the prime palindrome that is greater than N. Let's see an example.InputN = 10Output11AlgorithmInitialise the number N.Write a function to check whether the given number is prime or not.Write a function to check whether the given number is palindrome.Write a ... Read More

Next Smaller Element in C++

Hafeezul Kareem

Hafeezul Kareem

Updated on 25-Oct-2021 04:07:58

1K+ Views

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

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

Hafeezul Kareem

Hafeezul Kareem

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

349 Views

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

567 Views

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

136 Views

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

112 Views

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

144 Views

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

963 Views

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

126 Views

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

129 Views

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

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