0_0_36179562_25951.cpp 0_0_36179562_25951.cpp(15) : error C2065: “i”: 未声明的标识符 0_0_36179562_25951.cpp(17) : error C2065: “i”: 未声明的标识符 0_0_36179562_25951.cpp(19) : error C2065: “i”: 未声明的标识符