BFE.dev
buy us
a coffee
Codingproblems
Reactproblems
JavaScriptquizzes
Reactquizzes
TypeScriptpuzzles
CSSproblems
Interviewquestions
SystemDesign
Discussanything
buy us
a coffee

Front-End coding problems including algorithms and JavaScript ones.

You have solved 0 coding problem.show unsolved only
Sort bynewestoldestmost triedmost acceptedmost liked

tag: string
  • 173. uncompress stringJavaScriptstringalgorithmmedium
  • 166. validate number stringJavaScriptAlgorithmstringmedium
  • 112. remove duplicate characters in a stringJavaScriptAlgorithmstringmedium
  • 111. Count palindromic substringsJavaScriptAlgorithmstringeasy
  • 105. find the first duplicate character in a stringJavaScriptApplestringeasy
  • 102. validate string of parenthesesJavaScriptAlgorithmstringeasy
  • 97. compress a stringJavaScriptstringeasy