Fading Coder

Counting Employees Meeting Target Hours This problem requires counting employees whose work hours meet or exceed a target value. A simple linear scan suffices. class Solution { public: int numberOfEmployeesWhoMetTarget(vector<int>& hours, int target) { int count = 0; for (int h : hours) {...

Given an array of integers that may contain duplicates, ganerate all unique permutations of the array. This problem extends the classic permutation generation by requiring the elimination of duplicate sequences that arise from identical elements. Key Insight When elements repeat, naive backtracking...