in interviews whereas HackerRank and CodeForces questions resemble competitive programming questions. If you practice enough LeetCode questions, there is a good chance that you would have seen/done your actual interview question (or some variant) on LeetCode before. If you are more of a visual person, <a rel="nofollow noopener noreferrer" href="https://www.educative.io/collection/5642554087309312/5679846214598656">Coderust</a> explains the common algorithm questions through step-by-step visualizations which