先上網址
http://acm.nenu.edu.cn/us/2014/08/30/%E6%95%B0%E8%AE%BA%E5%9F%BA%E7%A1%80%E8%AE%B2%E8%A7%A3/
先上網址
http://acm.nenu.edu.cn/us/2014/08/30/%E6%95%B0%E8%AE%BA%E5%9F%BA%E7%A1%80%E8%AE%B2%E8%A7%A3/
You are given two integers: n and k, your task is to find the most sig