Practice · judged on hidden tests
Problems
9 problems, ordered so each topic builds on the last.
- Not startedA cache that forgets what you have not usedDesign, Hash maps, Linked listsMedium
- Not startedBreak the loop and leave the listTwo pointers, Linked listsMedium
- Not startedDoes this list loop back on itselfTwo pointers, Linked listsEasy
- Not startedDrop the nth node from the endTwo pointers, Linked listsMedium
- Not startedFind the middle in one passTwo pointers, Linked listsEasy
- Not startedHow many nodes the loop goes roundTwo pointers, Linked listsMedium
- Not startedTurn the list aroundLinked listsEasy
- Not startedWhere the loop beginsTwo pointers, Linked listsMedium
- Not startedZip two sorted lists togetherLinked listsEasy