math

137+ posts

Last Updated: 23 July 2025

Convenience sampling is a non-probability sampling technique widely used in research due to its simplicity and ease of implementation. Unlike probability sampling methods,...read more

Last Updated: 18 July 2024

Imagine a row of N bulbs where all initially turned off. You perform a series of operations to toggle the state of these bulbs. On the first round, you turn on every bulb....read more

Greater Than Symbol| Meaning and Examples

Last Updated: 23 July 2025

Greater Than Symbol is a mathematical expression used to express the inequalities and comparisons between two numbers. It is denoted by the sign '' that says the number on...read more

Last Updated: 26 February 2024

Given an array A[] of integers. Your task is to output the count of triplets such that in each triplet, there can be at most 2 same elements.Examples: Input: A[] = [5, 5, ...read more

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Array Parity Transformation

Last Updated: 31 January 2024

Given an array A[] of length N (N is even N=2).Where half elements are odd and the other half are even. You can apply the below operation (possibly zero time):Select two ...read more

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Solving Binary String Modulo Problem

Last Updated: 17 January 2024

Given a string "s" and an integer "m" your objective is to calculate the remainder "r" when the decimal value of binary string "s" is divided by "m".Examples: Input: s = "...read more

Bit Magic

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DSA

Basic Coding Problems

math

Algorithms-Bit Algorithms

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Minimum Move Required To Fit The Painting in Frame.

Last Updated: 13 December 2023

Consider a Painting and a Frame having length and breadth as L1, B1 and L2, B2 respectively. Then your task is to output minimum number of moves required to fit that paint...read more

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Geek's Plants

Last Updated: 23 July 2025

Geek wants to water n plants (numbered from 0 to n-1), where planti requires arr[i] units of water daily. Geek has to use buckets of the same size and can not use a bucket...read more

Minimize the Sum of Absolute Costs of an Array Optimally

Last Updated: 18 January 2024

Given an array arr[] of costs, your task is to minimize the sum of the absolute differences between consecutive costs by performing following operation at most once. Opera...read more

DSA

prefix-sum

math

Data Structures-Array

suffix-sum

Find the array B[] from A[] according to the given conditions

Last Updated: 11 January 2024

Given an array X[] of length N, having all elements less than or equal to M, the task is to print an array let's say Y[] of the same length following the given conditions:...read more

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Find the minimum number of distinct Substrings formed by 0s in Binary String

Last Updated: 05 December 2023

Given two integers N and M, the task is to output the minimum number of different substrings that can be formed using the Binary String of length N having M number of set ...read more

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Minimum Breaks to make the Array sorted

Last Updated: 07 November 2023

Given an array arr[] of size N, the task is to return the minimum number of operations to make the array sorted (in non-decreasing order) by performing the following opera...read more

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Minimum Jumps with Specific NUM Value

Last Updated: 03 December 2023

Given an array A[] of N integers, You have to move from index 1 to N by doing jumps. Return the value of NUM (NUM is defined as a number that has a power of 2 and remains ...read more

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Finding the Missing Digit in the Largest Perfect Square

Last Updated: 29 November 2023

Given a perfect square number with one missing digit represented by an underscore (_). Find the missing digit that when inserted, creates the largest perfect square.Exampl...read more

Find 0 with Farthest 1s in a Binary Array

Last Updated: 22 March 2025

Given a string (seats) of 1s and 0s, where 1 represents a filled seat and 0 represents an empty seat in a row. Find an empty seat with maximum distance from an occupied se...read more

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