Empowering coders, one solution at a time
Empowering coders, one solution at a time
![[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…
![[Solved] Number of Excellent Pairs LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-Number-of-Excellent-Pairs-LeetCode-Contest-Problem.png "[Solved] Number of Excellent Pairs LeetCode Contest Problem")
You are given a 0-indexed positive integer array nums and a positive integer k. A pair of numbers (num1, num2) is called excellent if the following conditions are satisfied: Both the numbers num1 and num2 exist in the array nums. The sum of the number of set bits in num1 OR num2 and num1 AND num2 is greater than…
![[Solved] Design a Food Rating System LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-Design-a-Food-Rating-System-LeetCode-Contest-Problem.png "[Solved] Design a Food Rating System LeetCode Contest Problem")
Design a food rating system that can do the following: Modify the rating of a food item listed in the system. Return the highest-rated food item for a type of cuisine in the system. Implement the FoodRatings class: FoodRatings(String[] foods, String[] cuisines, int[]…
![[Solved] Equal Row and Column Pairs LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-Equal-Row-and-Column-Pairs-LeetCode-Contest-Problem.png "[Solved] Equal Row and Column Pairs LeetCode Contest Problem")
Given a 0-indexed n x n integer matrix grid, return the number of pairs (Ri, Cj) such that row Ri and column Cj are equal. A row and column pair is considered equal if they contain the same elements in the same order (i.e. an equal array). Equal Row and Column…
![[Solved] First Letter to Appear Twice LeetCode Contest Problem](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-First-Letter-to-Appear-Twice-LeetCode-Contest-Problem.png "[Solved] First Letter to Appear Twice LeetCode Contest Problem")
Given a string s consisting of lowercase English letters, return the first letter to appear twice. Note: A letter a appears twice before another letter b if the second occurrence of a is before the second occurrence of b. s will contain at least one letter that appears twice. First Letter to Appear Twice LeetCode Contest…
![[Solved] Salary Computation with Java, C++, Python](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-Salary-Computation-with-Java-C-Python.png "[Solved] Salary Computation with Java, C++, Python")
Salary Computation: Danny has recently got his job offer as an Event Concept Creator at Sparsh Event Services. The Company has sent him a detailed salary structure with details of his basic salary, HRA and DA. The Company has promised…
![[Solved] Daily Routine with Java, C++, Python](https://realcoder.techss24.com/wp-content/uploads/2022/07/Solved-Daily-Routine-with-Java-C-Python.png "[Solved] Daily Routine with Java, C++, Python")
Daily Routine: Brendon is a little techno-whiz whose IQ is out of the charts. He has set up a laboratory at home for his research and development and was once approached by an Event Management firm to design them a…