GeeksforGeeks | A computer science portal for geeks

How to Answer “Tell Me About Yourself” in an Interview?

Regardless of any job profile or any company – ‘Tell Me About Yourself’, it is undeniably the very first question that you often face in… Read More

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7 Python Project Ideas for Beginners

Python is an amazing programming language that can possibly be used in every field be it data science, software development, machine learning, automation, web scraping,… Read More

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Python

Longest Non-Increasing Subsequence in a Binary String

Given a binary string S of size N, the task is to find the length of the longest non-increasing subsequence in the given string S.… Read More

Maximum height of an elevation possible such that adjacent matrix cells have a difference of at most height 1

Given a matrix mat][][] of size M x N which represents the topographic map of a region, and 0 denotes land and 1 denotes elevation,… Read More

Minimum degree of three nodes forming a triangle in a given Graph

Given an undirected graph consisting of N vertices and M edges and an array edges[][], with each row representing two vertices connected by an edge,… Read More

Number of substrings having an equal number of lowercase and uppercase letters

Expert

Given string S consisting of lowercase and uppercase letters, the task is to find the number of substrings having the equal number of lowercase and… Read More

Maximum subarray sum possible after removing at most one subarray

Given an array arr[] consisting of N integers, the task is to find the maximum sum of any subarray possible after removing at most one… Read More

Numbers of pairs from an array whose average is also present in the array

Given an array arr[] consisting of N integers, the task is to count the number of distinct pairs (arr[i], arr[j]) in the array such that… Read More

Minimum difference possible between two given numbers by rearranging their digits in the same order

Given two N-digit positive integers X and Y, the task is to find the minimum absolute difference between both the integers possible by rearranging the… Read More

Print all distinct even and odd prefix Bitwise XORs of first N natural numbers

Given a positive integer N, the task is to print all the distinct even and odd values of prefix Bitwise XORs of first N natural… Read More

Minimum operations required to make all elements in an array of first N odd numbers equal

Given an array consisting of first N odd numbers, the task is to find the minimum number of operations required to make all the array… Read More

Best Practices to Write Clean Python Code

Basic

Python is one of the most loved programming languages today. Shockingly, Python has overtaken Java in the list of top programming languages and is now… Read More

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Python

Ratio of area of two nested polygons formed by connecting midpoints of sides of a regular N-sided polygon

Given an N-sided polygon, the task is to find the ratio of the area of the Nth to (N + 1)th N-sided regular nested polygons… Read More

Bitwise XOR of Bitwise AND of all pairs from two given arrays

Given two arrays arr1[] and arr2[] consisting of N and M integers respectively, the task is to print the Bitwise XOR of Bitwise AND of… Read More

Lexicographically largest permutation possible by a swap that is smaller than a given array

Medium

Given an array arr[] consisting of N integers, the task is to find the lexicographically largest permutation of the given array possible by exactly one… Read More

lexicographic-ordering

permutation

Arrays

Mathematical