Codeforces 10
- [Codeforces] Codeforces Round #627 - D. Pair of Topics
- [Codeforces] Codeforces Round #627 - C. Frog Jumps
- [Codeforces] Codeforces Round #627 - B. Yet Another Palindrome Problem
- [Codeforces] Codeforces Round #627 - A. Yet Another Tetris Problem
- [Codeforces] Codeforces Round #626(Div.2) - B. Count Subrectangles
- [Codeforces] CodeCraft-20 - D. Nash Matrix
- [Codeforces] CodeCraft-20 - B. String Modification
- [Codeforces] Codeforces Round #624 - C. Perform the Combo
- [Codeforces] Codeforces Round #624 - B. WeirdSort
- [Codeforces] Codeforces Round #624 - A. Add Odd or Subtract Even