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View Compilation Error

0_0_23087060_4931.cpp
0_0_23087060_4931.cpp(20) : error C2144: 语法错误:“int”的前面应有“;”
0_0_23087060_4931.cpp(20) : error C2871: “std;”: 具有该名称的命名空间不存在
0_0_23087060_4931.cpp(23) : error C2065: “cin”: 未声明的标识符
0_0_23087060_4931.cpp(27) : error C2065: “cin”: 未声明的标识符


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