0_0_33507315_24794.cpp 0_0_33507315_24794.cpp(5) : error C2065: “n”: 未声明的标识符 0_0_33507315_24794.cpp(6) : error C2448: “build”: 函数样式初始值设定项类似函数定义 0_0_33507315_24794.cpp(37) : error C3861: “build”: 找不到标识符