0_0_35584045_12844.cpp 0_0_35584045_12844.cpp(6) : error C2144: 语法错误:“double”的前面应有“;” 0_0_35584045_12844.cpp(33) : error C2065: “value”: 未声明的标识符 0_0_35584045_12844.cpp(33) : error C2065: “sum”: 未声明的标识符