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Count Successful Binary Searches Irrespective of Pivot Selection

Last Updated: 09 September 2026

Given an array arr[] of n distinct integers (not necessarily sorted), consider the following search for a target:Maintain a range [lo, hi], initially [0, n-1].At each step...read more

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Delete Nodes Greater than K

Last Updated: 08 September 2026

Given the root of a Binary Search Tree (BST) and an integer k, delete all nodes whose values are greater than or equal to k and return the root of the modified BST.Example...read more

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Last Updated: 08 September 2026

Given a pattern string pat and a text string txt, check if pattern matches according to the following rules:If pat is preceded by a ^, the pattern is matched against the s...read more

Last index of One

Last Updated: 08 September 2026

Given a string s consisting only of '0' and '1', find the last index at which '1' occurs. If '1' is not present in the string, return -1.Examples:Input: s = "01001"Output:...read more

Last Updated: 07 September 2026

Given two integers n and k, where there are n houses arranged in a row and each house contains k amount of money, find the maximum amount of money a thief can rob without ...read more

Split Array Elements into Bounded Parts

Last Updated: 08 September 2026

Given an array arr[] of positive integers and an integer k, split each element into the minimum number of parts such that every part is less than or equal to k, and find t...read more

Multiply Left and Right Array Sums

Last Updated: 08 September 2026

Given an array of integers arr[], divide it into two subarrays left and right such that left contains the first half of the elements and right contains the remaining eleme...read more

Last Updated: 06 September 2026

Given two integers n and q, consider a n * n matrix where the value of each cell (i, j) is i + j, with both row and column indices starting from 1. Return the number of ce...read more

Evaluate Formulae

Last Updated: 07 September 2026

Given four integer variables a, b, c, and d, write a single expression to evaluate the following formula:\frac{a + b}{c} + dUse integer division while evaluating the expre...read more

Minimum Squares with Full Cuts

Last Updated: 06 September 2026

Given a rectangular paper with dimensions n × m, find the minimum number of squares that can be formed by cutting the paper. Each cut must be made completely across the r...read more

Occurrences of Consecutive 3 Numbers

Last Updated: 06 September 2026

Given an integer array arr[], count the number of distinct special integers. An integer x is called a special integer if x - 1, x, and x + 1 are all present in the array. ...read more

Number of Matches

Last Updated: 06 September 2026

There are n players participating in a knockout tournament. The rating of the i-th player is given by arr[i], where all ratings are distinct.The tournament is conducted in...read more

Longest Colored Path

Last Updated: 05 September 2026

Given an undirected acyclic graph (tree) with n nodes numbered from 1 to n. Each node is colored either Red (R) or Blue (B).The colors of the nodes are given by a string s...read more

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Minimum Colors Required in Special DAG

Last Updated: 06 September 2026

Given a Directed Acyclic Graph (DAG) with V vertices and E edges represented by a 2D array edges[][], where edges[i] = {u, v} represents a directed edge from vertex u to v...read more

Students with Max Average

Last Updated: 03 September 2026

Given a string array names[] containing the names of n students and a 2D integer array marks[][], where marks[i] contains the marks of the i-th student in three subjects, ...read more

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