Hackathons and coding challenges
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Data Analysis Challenge Easy
Check your data analysis skills and solve the test!
- Type
- Multiple-Choice Test ~60min
- Langs
- other
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Customer Service Challenge Easy
Check yourself in scenarios from customer service life!
- Type
- Multiple-Choice Test ~10min
- Langs
- other
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Step Counting Easy
Get a sneak peek of what kind of task you might meet at an interview at Google and check how well you can do it!
- Type
- Code practice challenge ~10min
- Langs
- javascript, php, python2, python and 3 more
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Equation Evaluator Hard
Get a sneak peek of what kind of task you might meet at an interview at Tesla and check how well you can do it!
- Type
- Code practice challenge ~60min
- Langs
- javascript, php, python2, python and 3 more
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Number Vitality Medium
Check your coding skills and solve our next task!
- Type
- Code practice challenge ~25min
- Langs
- c++, c#, java, javascript and 6 more
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Multiplying Digits Easy
Check your coding skills and solve this simple task!
- Type
- Code practice challenge ~10min
- Langs
- c++, c#, java, javascript and 6 more
-
Clock Hands Angle Medium
Get a sneak peek of what kind of task you might meet at an interview at Tesla and check how well you can do it!
- Type
- Code practice challenge ~60min
- Langs
- c++, c#, java, javascript and 6 more
-
Print A Matrix Spirally Medium
Get a sneak peek of what kind of task you might meet at an interview at Microsoft and check how well you can do it!
- Type
- Code practice challenge ~60min
- Langs
- javascript, php, python2, python and 3 more
-
All Possible Subarrays Medium
Check your coding skills and solve our next task!
- Type
- Code practice challenge ~25min
- Langs
- javascript, php, python, python2 and 3 more
-
Character Frequency Easy
Check your coding skills and solve this simple task!
- Type
- Code practice challenge ~10min
- Langs
- c++, c#, java, javascript and 6 more
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Proper Fractions Medium
Check your coding skills and solve our next task!
- Type
- Code practice challenge ~25min
- Langs
- c++, c#, java, javascript and 6 more
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Nice Colors Only! Easy
Check your coding skills and solve this simple task!
- Type
- Code practice challenge ~10min
- Langs
- javascript, php, python, python2 and 3 more
