View Compilation Error

536043_0_0_24458.cpp
536043_0_0_24458.cpp(2) : error C2065: “a” : 未声明的标识符
536043_0_0_24458.cpp(2) : error C2065: “b” : 未声明的标识符
536043_0_0_24458.cpp(2) : error C2501: “main” : 缺少存储类或类型说明符
536043_0_0_24458.cpp(2) : error C2078: 初始值设定项太多
536043_0_0_24458.cpp(2) : error C2143: 语法错误 : 缺少“;”(在“while”的前面)