If you’ve ever searched for ways to practice coding or prep for tech interviews, you’ve probably seen LeetCode mentioned ...

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Given the array favoriteCompanies where favoriteCompanies[i] is the list of favorites companies for the ith person (indexed from 0). Return the indices of people whose list of favorite companies is ...

So, you’re looking to get better at those tricky LeetCode problems, especially the ones with stacks and queues? Good call! These data structures pop up all the time in coding interviews. It can feel a ...