轉載:仿函數用法https://www.cnblogs.com/decade-dnbc66/p/5347088.html
轉載:find及find_if用法https://blog.csdn.net/yockie/article/details/15810667
轉載:仿函數用法https://www.cnblogs.com/decade-dnbc66/p/5347088.html
轉載:find及find_if用法https://blog.csdn.net/yockie/article/details/15810667