0_0_18631513_19045.cpp 0_0_18631513_19045.cpp(54) : error C2065: “i”: 未声明的标识符 0_0_18631513_19045.cpp(58) : error C2065: “i”: 未声明的标识符 0_0_18631513_19045.cpp(58) : error C2228: “.push_back”的左边必须有类/结构/联合