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Last updated: Aug 7, 2022

Beginners Level

Welcome to the beginner-level ninja training for competitive programming, this section covers the topics that'll you expect a beginner to solve in the field of competitive programming, this is an interesting journey for a rookie competitive programmer, as you'll be challenged by the problems here, so just try to solve them on your own and if you get stuck, just remember we're always there to help.

Setup for competitive programming

In this article, we will understand how to do the complete Setup for doing Competitive Programming in the c++ language in the local machine.

3 upvotes

Boilerplate Competitive programming

This blog will discuss the boilerplate used for competitive programming.

Author Saksham Gupta

2 upvotes

Important tools to boost performance during contests

This article discusses the important tools to boost performance in contests.

Author Shreya Deep

1 upvote

Next Permutation

In this blog, we'll be discussing different approaches for solving one of the classic interview problems, i.e., Next Permutation.

Author Saksham Gupta

2 upvotes

Next Permutation

This article will brief you on implementing the next permutation of a number.

Author Urwashi27

1 upvote

In this blog, we’ll learn to find a single number from an array of elements where every element appears twice except one.

Author Yogesh Bhalerao

0 upvotes

Suffix Array Optimal Construction HARD

In this article, we will discuss two approaches to construct a suffix array in java.

Author GAZAL ARORA

0 upvotes

Intersection of Two Arrays

This blog will discuss how we can solve the problem ‘Intersection of two arrays’.

Author Saksham Gupta

3 upvotes

In this blog, we will be discussing the famous sliding window technique, how it is more efficient than the naive approach, and its time and space complexity.

Author Ishita Chawla

10 upvotes

Divide the Chocolate

In this blog, we will cover the Divide the Chocolate question and discuss Time and Space complexity.

Author Nishant Rana

1 upvote

Car Pooling MEDIUM

In this blog, we will discuss Leetcode problem - Carpooling with brute-force in an optimized manner along with the space and time complexity.

0 upvotes

Sort an Array of 0s,1s and 2s

This article discusses the different approaches to sort the array containing 0s,1s, and 2s, starting with the approach which is similar to the approach in the Dutch national flag problem and then an intuitive approach that simply maintains the count and finally stores it in the correct place.

Author Ankit kumar

1 upvote

Minimum coverage by heaters

This blog finds the minimum heaters range so it can warm all the houses.

Author Ayush_159a

0 upvotes

Longest Common Prefix from Suffix Array MEDIUM

In this article, we will be discussing the two approaches to finding the longest common prefix of two substrings of a given string from the suffix array.

Author Sujal Modanwal

0 upvotes

Next Greater and Smaller Element for Every Element in an Array MEDIUM

The program to find the next greater and smaller element for every element in an array is common in coding interviews. Its solution is discussed in this article.

Author Neelakshi Lahiri

1 upvote

How To Find The Kth Smallest Element In An Array? MEDIUM

Learn how to find the kth smallest element in an array using min heaps or sets. These algorithms are efficient and can be used on arrays of any size. Keep reading!

Author Kushleen Waraich

1 upvote

K’th Largest Element in an Array MEDIUM

Find the kth largest element in an array using various approaches, such as sorting, heap, and quick select. Learn how to implement these algorithms in C++, Java, and Python. Read on!

Author Abhinav Anand

0 upvotes

Find Smallest Missing Positive Integer MEDIUM

In this blog, we will be discussing four different approaches to finding the smallest missing positive integer in an unsorted array.

Author Ishita Chawla

0 upvotes

Find all triplets with zero-sum

This blog discusses the approach to find all triplets in an array of both positive and negative with zero-sum

Author Ayush_159a

0 upvotes

Find all elements in an array which have at-least two greater elements. EASY

In this article, we will discuss how to find all elements in an array that have at-least two greater elements and understand the concept with examples in detail.

Author Tarnxxvr

0 upvotes

Find Index of 0 to be replaced with 1 to get the Longest Continuous Sequence of 1s in a Binary Array MEDIUM

This article discusses a DSA problem of specifically finding the index of 0 in a binary array that should be replaced with 1 to get the most extended sequence of continuous ones.

Author Palak Mishra

1 upvote

Two Best Non-Overlapping Events

In this blog, we will discuss a problem involving binary search and a tricky construction. We will learn a tricky construction that proves to be very useful to solve problems based on intervals.

Author chourasiya_aman

0 upvotes

Binary Subarrays with Sum MEDIUM

This article discusses the Binary Subarrays with Sum along with different approaches followed by the Implementation in C++, Python, and Java.

Author Husen Kagdi

3 upvotes

Hotel Bookings Possible

In this blog, we are going to discuss the problem of Hotel Bookings Possible. This is the most frequently asked problem in almost all tech interviews.

0 upvotes

Find the sum of elements less than A and greater than B in an array

This article discusses the different approaches to finding the sum of elements less than A and greater than B in an array with examples and its C++ code.

0 upvotes

Print Next Greater Number of Q Queries MEDIUM

In this blog, we will learn the logic of how to print the next greater number of q queries and see how to implement the logic in c++.

Author Deependra Singh

1 upvote

Check if reversing a sub-array make the array sorted MEDIUM

In the blog, we will discuss the problem of checking if there exists a subarray that, when reversed, makes the whole array sorted.

Author Akshit Mehra

0 upvotes

Smallest Difference Triplet from Three arrays MEDIUM

This blog will give you detailed explanation and implementation of the approach to find the Smallest Difference Triplet from Three arrays

Author Anjujais

0 upvotes

Suffix Array Construction (Brute Force N ^ 2 LogN)

This article explains the concept of suffix arrays and explains the naive algorithm for suffix array construction.

Author Yukti Kumari

1 upvote

Rearrange Positive and Negative Numbers With Constant Extra Space | Part 1

This blog mainly focuses on the problem, namely, Rearrange Positive and Negative Numbers With Constant Extra Space. We will discuss different approaches to solve this problem with a proper explanation and flow diagram.

Author Aniket Majhi

0 upvotes

Minimum Number of Subsets with Distinct Elements EASY

In this article, we will look into an important coding question, Minimum number of subsets with distinct elements.

Author Komal Shaw

0 upvotes

Find the first, second, and third minimum elements in an array EASY

In this blog, you will learn about the problem of finding the first three minimum elements in an array. We will go over various approaches to solve this problem.

Author Pradeep Kumar

1 upvote

Find an array element such that all elements are divisible by it EASY

In this blog, you will learn about the problem of finding an array element such that all elements are divisible by it. We will go over various approaches to solve this problem.

Author Pradeep Kumar

1 upvote

Count of Subarrays in the Range [L, R] having XOR + 1 equal to XOR (XOR) 1 for M Queries MEDIUM

In this blog, we’ll solve a fascinating problem Count of subarrays in the range [L, R] having XOR + 1 equal to XOR (XOR) 1 for M queries using parity.

Author Siddhant_007

0 upvotes

Count Different Substrings in a String

This article will cover the implementation and approach of computing the different substrings in a string.

Author Soumya Agrawal

1 upvote

Count Divisible Pairs in an Array

In this blog, we will discuss count divisible pairs in an array problem. We will also discuss the algorithm and the implementation for the problem using hashmap in different languages.

Author Ayushi Goyal

0 upvotes

Product of maximum in first array and minimum in second EASY

In this blog, we will discuss different approaches to multiple the maximum element of the first array to the minimum element of the second array. Then we will discuss their algorithms, pseudo-codes, and complexities analysis.

Author Shivani Singh

0 upvotes

Find the sum of all the distinct elements in an array EASY

In this article, we will discuss the problem of finding the sum of all distinct elements in an array.

Author Akshit Mehra

0 upvotes

Find maximum average subarray of length k EASY

In this blog, we will discuss the approach to find the maximum average subarray of an array of length ‘k’.

Author Vidhu Chaudhary

0 upvotes

In this article, we will solve one of the popular problems, Tandem.

Author Manan Singhal

1 upvote

Good Substrings

This article will discuss the solution for the problem statement "count of Good Substrings," in which we have to find the total number of good substrings in a given string. The article has discussed both the brute force approach and the optimized approach. Along with the solution, the article focuses on the time and space complexity of the solution.

1 upvote

Substrings and Frequency

In this blog, we will learn to solve a problem based on the suffix array.

Author Ujjawal Gupta

0 upvotes

Find Element at Given Index After Several Rotations

We will write a program to find the element at the given index after several Rotations.

Author Neha Singh

1 upvote

Count triplets with sum smaller than a given value

In this article, we will discuss the counting of triplets with a sum less than the given value. We will also look at the problem statement in detail, followed by its various approaches, code, and complexities.

Author Divyanshi Yadav

0 upvotes

The Suffix Matches

In this article, we will learn how to find the longest matching suffix.

Author Sujal Modanwal

0 upvotes

This article describes how to find the number of distinct substrings beginning with each letter.

Author Sujal Modanwal

0 upvotes

Double the first element and move zero to the end

In this blog, we will discuss the approach to double the first element and move zeros to the end.

Author Vidhu Chaudhary

0 upvotes

Design Parking System EASY

This article thoroughly discusses the Design Parking System using various examples, explanations, and codes.

Author Aditya Narayan Joardar

0 upvotes

Replace two consecutive equal values with one greater value EASY

In this blog, we will discuss the approach to replace two consecutive equal values with one greater value in an array.

Author Vidhu Chaudhary

0 upvotes

Check If a Number is Not a Power of 2 EASY

This blog will discuss different ways to check whether a number is not a power of 2.

Author Gaurangi Tyagi

4 upvotes

Rat in a Maze HARD

This article we will discuss the classic backtracking problem called Rat in a Maze. We will look at the problem statement in detail followed by the algorithm and implementation in C++.

Author Kushleen Waraich

1 upvote

Word Search HARD

In this blog, we’ll discuss a really important problem: Word Search. We are also going to discuss the time and space complexities of the approaches covered.

0 upvotes

Valid Sudoku HARD

This is part two of the Sudoku Solver article. In this article, we will discuss whether the given sudoku is valid or not.

Author Aditya Narayan Joardar

1 upvote

In this blog, we will discuss one of the most asked questions in coding interviews, i.e., power set. We will look at all possible approaches to the given problem.

0 upvotes

Sort a Given Array by Swapping Only Pairs with GCD as 1 MEDIUM

This blog check whether sorting a given array by swapping only pairs with GCD as 1 is possible or not. Read the blog to learn the method in detail.

Author Ayush_159a

1 upvote

Count of all unique paths from given source to destination in a Matrix EASY

This article will discuss to return the count of all unique paths from a given source to a destination in a Matrix and the approach to solve this problem.

Author Harsh Goyal

0 upvotes

C++ Program To Print All Permutations Of A Given String EASY

This article will discuss printing all the permutations of a given string and the approach to solve this problem in C++ language.

Author Harsh Goyal

0 upvotes

Maximize Cost of Forming a Set of Words Using Given Set of Characters EASY

In this blog, we will see how we can solve the famous problem ‘Maximize Cost of Forming a Set of Words Using a Given Set of Characters’.

Author Musical Matrix

0 upvotes

Print all unique paths from a given source to destination in a Matrix moving only down or right MEDIUM

This article will brief you on the problem to Print all unique paths from a given source to destination in a Matrix moving only down or right.

Author Urwashi27

0 upvotes

Print All Paths from a Source Point to All the 4 Corners of a Matrix HARD

In this article, we will solve a problem using recursion and backtracking that can be asked in the interviews.

Author Abhishek Ranjan

1 upvote

Print all Paths to Escape Out of a Matrix using K Moves HARD

In this blog, we’ll be solving a backtracking question on matrix, ‘Print all paths to escape out of a matrix using K moves.’

Author Firdausia Fatima

0 upvotes

Sum of all the subsets whose sum is a Perfect Number from a given array MEDIUM

This article discusses how to calculate the sum of all the subsets whose sum is a Perfect Number from a given array with a complete explanation and its C++ code.

0 upvotes

Minimize operations to transform A to B by multiplying by 2 or appending 1 to it MEDIUM

This article will brief you to Minimize operations to transform A to B by multiplying by 2 or appending 1 to it.

Author Urwashi27

0 upvotes

Implement Hamiltonian Cycle HARD

In this article, we will discuss the problem of printing the hamiltonian cycle for the given graph

Author Vaibhav Agarwal

0 upvotes

The K-th Lexicographical String of All Happy Strings of Length ‘N’ HARD

In this blog, we will discuss the problem to find the K-th lexicographical string of all happy strings of length ‘N.’

Author Ishita Chawla

0 upvotes

Determine the longest path from the source cell to the destination cell in a matrix

In this article, we will learn how to determine the longest path from the source cell to the destination cell in a 2D matrix.

Author Gaurish Anand

0 upvotes

M Coloring Problem MEDIUM

In this article, we'll discuss one of the basic problems of graph theory i.e. m-coloring problem along with its implementation in different languages.

Author vaishnavi pandey

0 upvotes

Print all the Balanced Brackets Strings that can be formed by replacing '?' in string

This article will discuss the solution to Print all the Balanced Brackets Strings that can be formed by replacing '?' in a string. Along with the solution, the article focuses on the time and space complexity of the solution.

2 upvotes

Maximum length of a string having even frequency of each character formed by concatenation

This article will discuss the problem "Maximum length of a string having even frequency of each character formed by concatenation," the solution approach to this problem, its C++ implementation, and its time and space complexity.

1 upvote

Arrange Elements of Given Array in a Mathematical Expression using Operators [+, -, *, /] and Parentheses to Get Value 28

Elements of a given array are to be arranged in an array using operators [+, -, *, /] and parenthesis to obtain the value of 28.

Author Sujal Modanwal

0 upvotes

Solve Sudoku on the Basis of the Given Irregular Regions

In this article, we will learn how to solve the sudoku puzzle on the basis of the given irregular regions.

Author brainstorming

1 upvote

Permutations of a Given Number That are Powers of 2

This article will cover the problem of finding the permutations of a given number in which digits are the perfect power of 2.

Author Soumya Agrawal

0 upvotes

Least count of words required to construct a target String

This article will brief you on finding the least count of words required to construct a target String.

Author Urwashi27

1 upvote

Path exists in the matrix with the addition of element is at most K.

This article will brief you to Check if a path exists in the matrix with the addition of element is at most K.

Author Urwashi27

0 upvotes

Generate all possible combinations of K numbers that sum to N MEDIUM

This blog finds all possible combinations of K numbers that sum to N. Read the blog to learn the problem's implementation in detail.

Author Ayush_159a

0 upvotes

Fast Fourier Transform for polynomial multiplication

This article explains the idea of fast fourier transform for polynomial multiplication.

Author Yukti Kumari

2 upvotes

Fibonacci numbers

This blog covers the concepts of fibonacci numbers, the matrix multiplication in fibonacci numbers and the golden ratio approach to find the Nth fibonacci number.

Author Sneha Mallik

1 upvote

Finding Repetitions MEDIUM

This article incorporates information about the problem finding repetitions and how to implement this problem by the Main-Lorentz algorithm.

Author Ujjawal Gupta

0 upvotes

Tiling Problem Using Divide and Conquer Algorithm MEDIUM

In this article, we will discuss the popular tiling problem and an approach to how to solve it using a divide and conquer algorithm with the implementation in C++, Java, and Python.

Author Shreya Deep

0 upvotes

Check if a number is a palindrome or not without using any extra space EASY

This article tells us how to check whether a number is a palindrome in O(1) space complexity.

Author Rasha Abdul Khader

0 upvotes

Check if the array can be split into subarrays such that the XOR of the length of the Longest Decreasing Subsequences of those subarrays is 0

In this article, we will discuss the problem to check if the array can be split into subarrays such that the XOR of the length of the Longest Decreasing Subsequences of those subarrays is 0

Author Vibhor_376

0 upvotes

Count Pairs (i, j) From a Given Array Such that ARR[i] > K * ARR[j] EASY

This blog will discuss how we can solve one of the most asked problems based on merge sort, i.e., count pairs (i, j) from a given array such that ARR[i] > K * ARR[j].

Author Teesha Goyal

0 upvotes

Count the number of inversions in an array using merge sort

This article discusses the approach to count the number of inversions in an array using merge sort with its C++ code.

0 upvotes

Reduce array to longest sorted array possible by removing either half of given array in each operation

This article will discuss to reduce the array to the longest sorted array possible by removing either half of the given array in each operation and the way to solve this problem.

Author Harsh Goyal

0 upvotes

Scramble string MEDIUM

In this article, we’ll learn how to solve the scramble string problem.

Author Shreya Deep

1 upvote

Koko Eating Bananas

In this blog, we will solve one of the problems of the Leetcode in a naive approach to optimized one.

0 upvotes

Count Negative Numbers in a Sorted Matrix EASY

This blog discusses how to count the number of negative numbers in the sorted grid.

Author Varun Shrivastava

0 upvotes

Merge two sorted arrays in O(1) extra space using QuickSort partition

This article will brief you on how to Merge two sorted arrays in O(1) extra space using QuickSort partition.

Author Urwashi27

0 upvotes

Longest Substring with At Least K Repeating Characters

This article will brief you on finding the Longest Substring with At Least K Repeating Characters.

Author aniket verma

0 upvotes

How to find the minimum capacity of the ship to ship packages within d days.

This blog focuses on the solution to the problem of finding the minimum capacity of the ship to ship packages in d days. Read further to learn the detailed solution.

Author Gorakhnath yadav

0 upvotes

Median of Two Sorted Arrays

The blog discusses in detail the median of two sorted arrays. We’ll discuss many approaches to solve the problem along with time and space complexity for each method.

0 upvotes

Longest Common Prefix using Divide and Conquer Algorithm

In this article, we will learn how to find Longest Common Prefix using the Divide and Conquer Algorithm.

Author brainstorming

0 upvotes

Check if a Substring Exists, having Only Two Distinct Characters with The Frequency of One as Twice The Others EASY

Arrays and String are widely asked topics in coding interviews. This article will look at a problem involving arrays and strings.

Author Anant Dhakad

0 upvotes

Manacher’s Algorithm

In this article, we will study how to find all the substrings that are palindromes using Manacher’s Algorithm. We will also discuss the space and the time complexity of our solution.

Author Jaglike Makkar

1 upvote

Count of Increasing Substrings in given String MEDIUM

This blog will cover the problem of counting the number of increasing substrings in a string.

Author Soumya Agrawal

0 upvotes

Print all subsequences of a string

In this article, we will discuss how to print all subsequences of a string.

Author Manan Singhal

7 upvotes

Maximize the Confusion of an Exam

In this blog, we will discuss an exciting problem, namely “Maximize the confusion of an Exam”. It is an ad-hoc problem.

Author Husen Kagdi

0 upvotes

Minimizing the count of a subsequence of a given binary string such that any subsequence doesn’t contain adjacent zeroes or ones

This article will discuss the problem of finding the minimum number of subsequences of a given binary string such that any subsequence doesn’t contain adjacent zeroes or ones.

Author Vaibhav Agarwal

0 upvotes

Count of All Substrings in a Binary String in Which Count of 1’s is Strictly More than the Count of 0’s HARD

This blog will discuss the problem of counting the substrings in a binary string that contains more 1s than 0s.

Author Sahil Setia

3 upvotes

Find the longest substring in a binary string with an equal count of 0s and 1s

In this article, we will learn to find the longest substring in a string containing only 0s and 1s with an equal count of 0s and 1s.

Author Gaurish Anand

0 upvotes

Check if Count of 1s can be Made Greater in a Binary string by Changing 0s Adjacent to 1s

In this blog, we will discuss a coding challenge that involves the use of sorting and greedy algorithms. Greedy algorithms are well known for their simplicity and ease to understand.

Author Aman kumar Chourasiya

0 upvotes

Find the Length of Smallest Non-Prime Subsequence in a Numeric String

In this article, we will solve a programming problem where we need to design an algorithm to find the length of the smallest non-prime subsequence in a given numeric string.

Author GAZAL ARORA

1 upvote

The Largest Prime Number Possible from a Subsequence of a Binary String MEDIUM

The following article discusses how to find the largest prime number formed from the subsequence of the given Binary String along with its implementation in C++, Java, and Python.

Author Shreya Deep

2 upvotes

Compute the Count of K Length Subarrays Containing Only 1s in Binary String

This article will give you an overview of the implementation of subarrays related problems through Computing the Count of K Length Subarrays Containing Only 1’s in Given Binary String.

Author Soumya Agrawal

1 upvote

Find the Kth lexicographically smallest string with unique products for all the substrings

In this article, we will learn to find the Kth lexicographically smallest string of integers of length N such that each substring's products should be unique.

Author Gaurish Anand

0 upvotes

Compare Version Numbers MEDIUM

This blog will discuss, how can we compare two different version numbers. We will look at the implementation in different languages.

Author Varun Shrivastava

0 upvotes

Count and Say MEDIUM

In this blog, we will discuss recursive and iterative solutions to the problem count and say.

Author Rishabhnsingh

0 upvotes

Ninja and his Strings

This article will discuss the problem “Ninja and his strings”, solution approach to the problem, its C++ implementation, and its time and space complexities.

Author Jaglike Makkar

0 upvotes

In this blog, we will learn what string hashing is and how it is helpful in comparing two strings efficiently.

Author Ujjawal Gupta

1 upvote

Maximize the Confusion of an Exam

In this blog, we will discuss an exciting problem, namely “Maximize the confusion of an Exam”. It is an ad-hoc problem.

Author Husen Kagdi

0 upvotes

Prefix function - Knuth-Morris-Pratt Algorithm

In this article, we will learn Knuth-Morris-Pratt or KMP Algorithm.

Author brainstorming

2 upvotes

Lexicographically largest String after removal of K characters

This article covers the approach to the problem lexicographically largest string after removing k characters and its implementation in C++.

0 upvotes

Find All Words in the Given Sentence that are Lexicographically Increasing and Lexicographically Decreasing

This blog will discuss how we can solve the problem find all words in the given sentence that are lexicographically increasing and lexicographically decreasing.

Author Saksham Gupta

0 upvotes

Minimum Count of Inversion Pairs Possible by Concatenating N Binary Strings in any Order

In this blog, we will learn to solve a problem based on sorting. We will discuss the problem minimum count of inversion pairs possible by concatenating ‘N’ binary strings in any order.

Author Ujjawal Gupta

0 upvotes

Bitwise Operators in C/C++ EASY

This article discusses the types of Bitwise Operators in C/C++ and their use.

Author Rhythm Jain

0 upvotes

Bit Manipulation for Competitive Programming EASY

This article discusses Bit Manipulation for Competitive Programming with examples. You will learn the representation of decimal numbers in binary and binary operators.

1 upvote

Total Hamming Distance

This article will brief you about the hamming distance between two integers is the number of positions where the corresponding bits will be different.

Author Soumya Agrawal

0 upvotes

Hamming Distance

This article discusses the problem of Hamming Distance, where we have to calculate the hamming distance between two integers.

Author Rhythm Jain

1 upvote

This article discusses the problem of Ugly Numbers 2, where we have to find the nth ugly number.

1 upvote

In this blog, we will discuss a famous interview coding question, “Find Elements” and its various solutions.

Author Husen Kagdi

0 upvotes

Bitwise AND of Numbers Range

This blog will discuss the different ways to solve the problem of bitwise AND of Numbers Range, subsequently discussing the time and space complexity.

Author Ishita Chawla

0 upvotes

Longest Consecutive Sequence of 1’s in the Binary Representation of a Number

In this blog post, we’ll study one easy problem from the topic of data structures: finding the longest consecutive sequence of 1’s in the binary representation of a number.

Author Chaturvedi

1 upvote

Minimum X (xor) A

In this article, we will learn about the problem Minimum X (xor) A and solve how to find the value of X for which X xor A is the minimum, and X should satisfy the given condition.

Author brainstorming

0 upvotes

Lucky Alive Person in a Circle MEDIUM

This blog will help you build logic for one of the famous puzzles Lucky Alive Person in a Circle, and its implementation in C++, Java, and Python.

Author Soumya Agrawal

0 upvotes

Count Number of Set Bits in an Integer EASY

Count the total number of set bits in a given integer using a simple and efficient algorithm. Learn how to count set bits in Python, C++, and Java.

Author Sahil Setia

0 upvotes

This article will introduce Gray Code and give an introduction to Gray Code and will provide approaches to use it in different data structure problems.

Author Harsh Goyal

1 upvote

Number of Steps to Reduce a Number in Binary Representation to One

In this, we will discuss the problem i.e number of steps to reduce a number to one and its approach to code.

Author vaishnavi pandey

0 upvotes

Divide Two Integers

This blog will discuss the problem of divide two integers and solve it using different approaches focusing on the time and space of each approach.

Author Ishita Chawla

0 upvotes

Binary Numbers of N digits

This article discusses the Problem of printing all Binary Numbers of N digits

Author Rhythm Jain

0 upvotes

Generate All Binary Numbers in the Range [L, R]

In this blog, we’ll use a simple loop and bit knowledge on the length of a decimal number to solve the problem, ‘Generate all binary numbers in the range [L, R]’.

Author Firdausia Fatima

0 upvotes

Find a Number X Such that XOR of Given Array after Adding X to Each Element is 0

In this article, we will solve a bit manipulation problem that will help you to get a good grasp on bits.

Author Abhishek Ranjan

1 upvote

Count of Subsets having Maximum Possible XOR Value MEDIUM

In this blog, we will solve an interesting coding challenge using dynamic programming and the gaussian elimination technique. Dynamic Programming and XOR operation are well-known topics asked in coding interviews.

Author Aman kumar Chourasiya

0 upvotes

Convert given binary to its equivalent ASCII character string MEDIUM

In this article, we will learn how to convert a given binary string to its equivalent ASCII character string

Author Shreya Deep

0 upvotes

Count Set Bits in Index Range [L, R] in Given Array for Q Queries

In this article, we will learn how to count set bits in index range [L, R] in the given Array for Q queries.

Author brainstorming

1 upvote

Count Total Set Bits in an Array EASY

In this blog, we will discuss solving the problem of counting total set bits in an array.

Author Sahil Setia

0 upvotes

Form a Number Using Bit Rotations of N having the Same Frequency of each Digit

This article will cover the approach and implementation of the problem- Form a Number Using Bit Rotations of N having the Same Frequency of each Digit.

Author Soumya Agrawal

1 upvote

Maximize Bitwise AND of the array by replacing at most one element

This article will discuss the problem to maximize bitwise AND of the array by replacing at most one element

Author Vibhor_376

0 upvotes

Bit Stuffing and Bit Destuffing MEDIUM

In the following blog, we discuss the bit stuffing and bit de-stuffing problems using one of the most intuitive yet optimal approaches involving elementary logic and understanding of loops.

Author Firdausia Fatima

0 upvotes

Space optimization using bit manipulations

This article explains how space optimization works and how to perform space optimization using the bit manipulation technique.

Author Adya_Tiwari

0 upvotes

Find the maximum product of Bitwise AND and Bitwise OR of K-size subarray

This article will discuss the problem to find the maximum product of Bitwise AND and Bitwise OR of K-size subarray

Author Vibhor_376

0 upvotes

Find the size of the largest subset with bitwise AND greater than their bitwise XOR

The blog aims to find the size of the largest subset whose bitwise AND is greater than its bitwise XOR and explains the process of how to reach the solution.

Author HET FADIA

0 upvotes

Find the total number of subsequences having odd Bitwise AND values in the array

This article explains how to determine the total number of subsequences having odd bitwise and values in the array.

Author Gaurish Anand

0 upvotes

Find the total number of subsequences having odd Bitwise OR values in the array

This article explains how to determine the total number of subsequences having odd bitwise OR values in the array.

Author Gaurish Anand

0 upvotes

Maximize sum of LSBs of Bitwise OR of all possible N/2 pairs from given Array

The blog aims to find the maximum sum of LSBs of Bitwise OR of all possible N/2 pairs from the given Array.

Author HET FADIA

2 upvotes

Find the next greater number formed with exactly two unique digits for each array element

This article describes how to find the next greater number formed with exactly two unique digits for each array element

Author Shreya Deep

0 upvotes

Library:

C Programming Language

C++ Programming Language

Cloud Computing

Machine Learning

Operating System

Amazon Web Services

Microsoft Azure

Google Cloud Platform

Data Warehousing

Internet of Things