Hierarchical Notation Time Limit: 2 Seconds Memory Limit: 131072 KB In Marjar University, students in College of Computer Science will learn EON (Edward Object Notation), which is a hierarchical data format that uses human-readable text to trans…
模拟: 语法的分析 hash一切Key建设规划,对于记录在几个地点的每个节点原始的字符串开始输出. . .. 对每一个询问沿图走就能够了. .. . Hierarchical Notation Time Limit: 2 Seconds Memory Limit: 131072 KB In Marjar University, students in College of Computer Science will learn EON (Edward Object Notation),…
题目链接:http://codeforces.com/contest/832/problem/B B. Petya and Exam time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output It's hard times now. Today Petya needs to score 100 points on Informatics…
The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then that digit is the digital root. If the resulting value contains two or more digits, those digits are summed and the pr…