Here is a collection of problems created by me.
- Prefix Square Free Words -- used in 2016 计蒜之道 初赛 第四场.
- Chiaki With Intervals -- first used in 2016 计蒜之道 复赛, then used in MIPT Problems Challenge 2017.
- Chiaki With Intervals (Easy) -- easy version of Chiaki With Intervals.
- Counting Divisors (general) -- general version of Min_25's DIVCNT1, DIVCNT2 and DIVCNT3, a template problem of 洲阁筛.
- Chiaki Sequence -- used in The 14th Zhejiang Provincial Collegiate Programming Contest.
- The Sum of Unitary Divisors -- the harder version of From ABC Conjecture.
- Gray Code and Two's Complement -- used in ZOJ Monthly, August 2014.
- Just a Palindrome -- used in ZOJ Monthly, August 2014.
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