Codeforces #399 ABCDE
- A. Oath of the Night's Watch
- B. Code For 1
- C. Jon Snow and his Favrourite Number
- D. Jon and Orbs
- E. Game of Stones
Codeforces Round #397 ABCDE
- A. Neverending competitions
- 問題概要
- 解法
- B. Code obfuscation
- 問題概要
- 解法
- C. Table Tennis Game 2
- D. Artsem and Saunders
- E. Tree Folding
Codeforces Round #396 (Div. 2) A,B,D,E
C 問題は読めなかったので省略します。
http://codeforces.com/contest/766
- A. Mahmoud and Longest Uncommon Subsequence
- B. Mahmoud and a Triangle
- D. Mahmoud and a Dictionary
- E. Mahmoud and a xor trip