0_0_38952124_19260.cpp
0_0_38952124_19260.cpp(41) : error C2065: “cin”: 未声明的标识符
0_0_38952124_19260.cpp(43) : error C2065: “cout”: 未声明的标识符
0_0_38952124_19260.cpp(44) : error C2065: “cin”: 未声明的标识符
0_0_38952124_19260.cpp(45) : error C2065: “cout”: 未声明的标识符
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