08 2015 档案
Digit Root ---- 余九定理
摘要:转载请注明出处:http://www.cnblogs.com/wubdut/p/4739754.html 题目:hdu1013, hdu1163, 51nod1116. or dr(n) = (n-1)%9+1. 其中,n-1是为了将结果0-8匹配到1-9. Reference: [1] https
阅读全文
ubuntu卸载java
摘要:Try this command: If 1.6* comes then try: If 1.7* comes then try: Assuming that you don't have jdk in your system. If you have use this command: repla
阅读全文