青铜时代

Jury Marks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Polycarp watched TV-show where k jury members one by one rat

Description The Enterprise has encountered a planet that at one point had been inhabited. The only remnant from the prior civilization is a set of texts that was found. Using a small set of keywords

问题描述　　JSON (JavaScript Object Notation) 是一种轻量级的数据交换格式，可以用来描述半结构化的数据。JSON 格式中的基本单元是值 (value)，出于简化的目的本题只涉及 2 种类型的值： 　　* 字符串 (string)：字符串是由双引号 ” 括起来的一组字符（可以为空）。如果字符串的内容中出现双引号 “，在双引号前面加反斜杠，也就是用 \” 表示；如果出现

Leonid wants to become a glass carver (the person who creates beautiful artworks by cutting the glass). He already has a rectangular w mm  ×  h mm sheet of glass, a diamond glass cutter and lots of ent

问题描述