Equilibrium Point
Given an array of integers arr[],the task is to find the first equilibrium point in the array. The equilibrium point in an array […]
3223. Minimum Length of String After Operations
You are given a string s. You can perform the following process on s any number of times: Choose an index i in the string such
Container With Most Water
Given an array arr[] of non-negative integers, where each element arr[i] represents the height of the vertical lines, find the maximum amount of water that can be contained between
2116. Check if a Parentheses String Can Be Valid
A parentheses string is a non-empty string consisting only of ‘(‘ and ‘)’. It is valid if any of the following conditions is true: It is (). It can
Trapping Rain Water
Given an array arr[] with non-negative integers representing the height of blocks. If the width of each block is 1, compute how
1400. Construct K Palindrome Strings
Given a string s and an integer k, return true if you can use all the characters in s to construct k palindrome strings or false otherwise. Example 1: Input: s
Longest substring with distinct characters
Given a string s, find the length of the longest substring with all distinct characters. Examples: Input: s = “geeksforgeeks” Output:
2185. Counting Words With a Given Prefix
You are given an array of strings words and a string pref. Return the number of strings in words that contain pref as a prefix. A prefix of a string s is any
Indexes of Subarray Sum
Given an array arr[] containing only non-negative integers, your task is to find a continuous subarray (a contiguous sequence of elements) whose
3042. Count Prefix and Suffix Pairs I
You are given a 0-indexed string array words. Let’s define a boolean function isPrefixAndSuffix that takes two strings, str1 and str2: isPrefixAndSuffix(str1, str2) returns true if str1 is both a prefix and a suffix of of str2, and false otherwise. For
Count the number of possible triangles
Given an integer array arr[]. Find the number of triangles that can be formed with three different array elements as lengths
1408. String Matching in an Array
Given an array of string words, return all strings in words that is a substring of another word. You can return the answer in any order. A substring is