雪霜贸贸，荠麦之茂

链接：https://www.nowcoder.com/acm/contest/91/B 来源：牛客网 题目描述 在埃森哲，员工培训是最看重的内容，最近一年，我们投入了 9.41 亿美元用于员工培训和职业发展。截至 2018 财年末，我们会在全球范围内设立 100 所互联课堂，将互动科技与创新内容有机结合起来。按岗培训，按需定制，随时随地，本土化，区域化，虚拟化的培训会让你快速取得成长。小...

Problem Description You are given a tree, it’s root is p, and the node is numbered from 1 to n. Now define f(i) as the number of nodes whose number is less than i in all the succeeding nodes of node ...

Problem Description After June 1st, elementary students of Ted Land are still celebrating “The Sacred Day of Elementary Students”. They go to the streets and do some elementary students stuff. So we ...