> Like divide and conquer and greedy algorithms, memoization, etc. Doesn't every algorithm book/tutorial/course teach things in that fashion? Which resource ar

> Like divide and conquer and greedy algorithms, memoization, etc. Doesn't every algorithm book/tutorial/course teach things in that fashion? Which resource are you using that just dumps problems and solutions on you without grouping them in some logical way? Even if you're just doing leetcode without learning any theory, the problems are still grouped and labeled.