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1026523_0_0_16076.cpp
1026523_0_0_16076.cpp(5) : error C2065: “cin” : 未声明的标识符
1026523_0_0_16076.cpp(5) : error C2059: 语法错误 : “&&”
1026523_0_0_16076.cpp(6) : error C2143: 语法错误 : 缺少“;”(在“{”的前面)
1026523_0_0_16076.cpp(8) : error C2065: “cout” : 未声明的标识符
1026523_0_0_16076.cpp(8) : error C2065: “endl” : 未声明的标识符