ACM模版

好可惜，这场比赛没有来得及看 E E <script type="math/tex" id="MathJax-Element-8">E</script>。

A-Infinity Gauntlet

map。详解>>>

B-High School: Become Human

取对数。详解>>>

C-Three displays

动态规划。详解>>>

D-Fair

BFS。详解>>>

E-Petr and Permutations

规律题。详解>>>