Practice
1948 problems, in the order the course teaches them. Every one runs on a real compiler against real test cases.
Start here
1. Print Hello World
Fundamentals · Foundation
0 / 1948
solved
22 of 1948
Strings & Pointers
0 of 22- Not tried67Reverse a StringFoundationno data
- Not tried68Count Vowels and ConsonantsFoundationno data
- Not tried69Palindrome StringCoreno data
- Not tried70Toggle the CaseFoundationno data
- Not tried71Count the WordsCoreno data
- Not tried72Remove All SpacesFoundationno data
- Not tried73Character FrequencyCoreno data
- Not tried74First Non-Repeating CharacterChallengeno data
- Not tried75Are They Anagrams?Coreno data
- Not tried76Remove Duplicate CharactersCoreno data
- Not tried77Longest WordCoreno data
- Not tried78Capitalise Each WordCoreno data
- Not tried79Count Substring OccurrencesCoreno data
- Not tried80Compare Two StringsFoundationno data
- Not tried81Is It a Rotation?Challengeno data
- Not tried82Longest Common PrefixCoreno data
- Not tried83Swap Two Values Inside a FunctionCoreno data
- Not tried84Sum an Array Through a PointerCoreno data
- Not tried85Reverse an Array With Two PointersCoreno data
- Not tried86Change a Value Through a PointerFoundationno data
- Not tried87Convert a String to an IntegerCoreno data
- Not tried88Longest Substring Without RepeatsChallengeno data