About 900 years ago, a Chinese philosopher Sima Guang wrote a history book in which he talked about people's talent and virtue. According to his theory, a man being outstanding in both talent and virt
The company X has n employees numbered from 1 through n. Each employee u has a direct boss pu (1≤pu≤n), except for the employee 1 who has no boss. It is guaranteed, that values pi form a tree. Employe
1062 - Crossed Ladders(链接到题目) PDF (English)StatisticsForum Time Limit: 2 second(s)Memory Limit: 32 MB A narrow street is lined with tall buildings. An x foot long ladder is rested at
题目描述: Problem Description Ignatius likes to write words in reverse way. Given a single line of text which is written by Ignatius, you should reverse all the words and then output them. Input Th
1.版本 1)操作系统 cat /etc/issue CentOS release 6.6 (Final) Kernel \r on an \m cat /proc/version Linux version 2.6.32-504.el6.x86_64 (mockbuild@c6b9.bsys.dev.centos.org) (gcc version 4.4.7 2012031