0_0_13583188_9102.cpp 0_0_13583188_9102.cpp(39) : error C2065: “i”: 未声明的标识符 0_0_13583188_9102.cpp(41) : error C2065: “i”: 未声明的标识符 0_0_13583188_9102.cpp(41) : error C2228: “.x”的左边必须有类/结构/联合 0_0_13583188_9102.cpp(43) : error C2065: “i”: 未声明的标识符