codeforces
- B. Personalized Cup 2018.11.19
- A. Kitchen Utensils 2018.11.19
- D. Fun with Integers 2018.11.17
- C. Banh-mi 2018.11.17
- B. Math 2018.11.17
- A. A Prank 2018.11.17
- F. Multicolored Markers 2018.08.29
- D. Concatenated Multiples 2018.08.29
- C. Maximal Intersection 2018.08.29
- B. Creating the Contest 2018.08.29