一些常用的算法设计方法和C++环境下的实现方法。主要包括：迭代法、穷举搜、索法、递推法、递归、回溯法、贪婪法、分治法

-Some commonly used algorithm design methods and C environments are implemented. These mainly include: iterative method, exhaustive search, rope method, recursive method, recursion, backtracking, greedy method, divide and conquer