Given a list of positive integers, the adjacent integers will perform the float division. For example, [2,3,4] -> 2 / 3 / 4. However, you can add any number of parenthesis at any position to change the priority of operations. You should find out how
http://www.agner.org/optimize/#manuals 阅读笔记Optimizing software in C++ 7. The efficiency of different C++ constructs 栈的速度快是因为,总是反复访问同一段地址,如果没有大的数组,肯定实在L1 cahce中. 全局静态区,global,static变量,float constants, string constants, array initializer lists,switch