0_0_14006276_13647.cpp 0_0_14006276_13647.cpp(17) : error C2065: “i”: 未声明的标识符 0_0_14006276_13647.cpp(18) : error C2065: “i”: 未声明的标识符 0_0_14006276_13647.cpp(19) : error C2065: “i”: 未声明的标识符