WEBSITE RETURNED, HOWEVER SUBMIT QUANTITY IS RESTRICTED PER DAY TO VERY LITTLE (UNDER JUDGE0 NEW POLICY, API PROVIDER). Therefore it is very much for you to pay attention TEST CAREFULLY CODE BEFORE SUBMIT.

    Teacher Trinh Quang Cao Son

  1. Range converter
  2. Pyramid codes
  3. Rainbow
  4. pond
  5. Range converter 2
  6. Phone number prefix
  7. Nice number
  8. Largest number of matches
  9. Maximum length of the range
  10. Scheduled
  11. Chia Cake
  12. ATM withdrawal
  13. Plant tree
  14. The subsets have the largest sum
  15. Three factors
  16. Perfect number(hard version)
  17. Game addiction
  18. Plentiful numbers(hard version)
  19. Year value
  20. Prime ( hard version )
  21. Sieve element
  22. General estimate (hard version)
  23. Primes less than n
  24. Candy sale
  25. Reflective Paint
  26. (ACM / ICPC 2020) Count the Palindromes
  27. TicTacToe