Empowering coders, one solution at a time
Empowering coders, one solution at a time
You are given a binary string s and a positive integer k. A substring of s is beautiful if the number of 1‘s in it is exactly k. Let len be the length of the shortest beautiful substring. Return the lexicographically smallest beautiful substring of string s with length equal to len. If s doesn’t contain a beautiful substring, return an empty string. A…
You are given an array A consisting of N positive integers. You are allowed to do the following operation any number of times: Find the maximum value of ∑i=1NAi that you can achieve after any (possibly zero) number of operations. Input Format Output Format For each test case,…
Given a 0-indexed 2D integer matrix grid of size n * m, we define a 0-indexed 2D matrix p of size n * m as the product matrix of grid if the following condition is met: Return the product matrix of grid. Example 1:Input: grid = [[1,2],[3,4]] Output: [[24,12],[8,6]] Explanation: p[0][0] = grid[0][1] * grid[1][0] * grid[1][1]…
You are given a 0-indexed integer array nums having length n, an integer indexDifference, and an integer valueDifference. Your task is to find two indices i and j, both in the range [0, n – 1], that satisfy the following conditions: Return an integer array answer, where answer = [i, j] if there are two such indices, and answer =…
![[Solved] Music Teacher with Java, CPP, Python](https://realcoder.techss24.com/wp-content/uploads/2023/07/Solved-Music-Teacher-with-Java-CPP-Python-768x432.png "[Solved] Music Teacher with Java, CPP, Python")
Music Teacher: A music teacher has developed a new technique to teach the students in which unique node is identified by a lower character of English alphabet. In total there nodes in this technique from ‘a’ to ‘z’. To teach…
![[Solved] Allens Value with Java, CPP, Python](https://realcoder.techss24.com/wp-content/uploads/2023/07/Solved-Allens-Value-with-Java-CPP-Python-768x432.png "[Solved] Allens Value with Java, CPP, Python")
Allens value: You are given an array A of N (>=3) distinct integers. Your friend Allen removes only 2 elements from this array, adds a value (> 0) to all the remaining elements, shuffles the array and leaves the newly…
![[Solved] Hurdle Race with Java, CPP, Python](https://realcoder.techss24.com/wp-content/uploads/2023/07/Solved-Hurdle-Race-with-Java-CPP-Python-768x432.png "[Solved] Hurdle Race with Java, CPP, Python")
Hurdle Race: You are participating in a hurdle race. The race comprises of stairs of varying height and there are points that can be collected after every meter. Initially, you are at height 0 and meter 0. To make the…
![[Solved] Rearrangement of Seats with Java, C++, Python](https://realcoder.techss24.com/wp-content/uploads/2023/07/Solved-Rearrangement-of-Seats-with-Java-C-Python-768x432.png "[Solved] Rearrangement of Seats with Java, C++, Python")
Rearrangement of Seats: There are N students in a class, sitting on chairs numbered from 1 to N.Initially all the students are seated serially from 1 to N. Their teacher assigns them a task wherein the students are required to…
College Details: A technical event was conducted by the Government of India for the various colleges from all over India. On the valedictory function, a momento was given to all the colleges with the college details inscribed on it. The momento’s…
Filter Events: Write a program to get size of list and its elements and to find numbers divisible by thirteen from a list using anonymous function (Lambda) and display those numbers. Input Format:The first line of input corresponds to the size of…