CODEFORCES 1036A Function Height
CODEFORCES 1107A Digits Sequence Dividing
CODEFORCES 1106A Lunar New Year and Cross Counting
* UVa 101 The Blocks Problem
UVa 272 Quotes
UVa 10082 WERTYU
CODEFORCES 281A Word Capitalization
UVa 401 Palindromes
UVa 400 Unix ls
CODEFORCES 1090M The Pleasant Walk
GCJ Kickstart Round F 2018 A Common Anagrams
CODEFORCES 1107C Brutality
* AtCoder abc117 C Streamline
* CODEFORCES 1114B Yet Another Array Partitioning Task
UVa 727 Equation
UVa OJ 673 Parentheses Balance
UVa 10901 Ferry Loading III
UVa 11034 Ferry Loading IV
UVa 11995 I Can Guess the Data Structure!
UVa OJ 11988 Broken Keyboard (a.k.a. Beiju Text)
UVa OJ 245 Uncompress
POJ 3481 Double Queue
* UVa OJ 12096 The SetStack Computer
UVa OJ 11991 Easy Problem from Rujia Liu?
Codeforces 1110B Tape
* Codeforces 1118C Palindromic Matrix
'*' 代表有點麻煩(?)的題目