0_0_30598289_1215.cpp 0_0_30598289_1215.cpp(33) : error C2065: “i”: 未声明的标识符 0_0_30598289_1215.cpp(34) : error C2065: “i”: 未声明的标识符 0_0_30598289_1215.cpp(34) : error C2228: “.y”的左边必须有类/结构/联合 0_0_30598289_1215.cpp(35) : error C2065: “i”: 未声明的标识符