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View Compilation Error

0_0_12348736_30643.cpp
0_0_12348736_30643.cpp(3) : error C2871: “std” : 具有该名称的命名空间不存在
0_0_12348736_30643.cpp(10) : error C2065: “cin” : 未声明的标识符
0_0_12348736_30643.cpp(15) : error C3861: “cin”: 即使使用参数相关的查找,也未找到标识符
0_0_12348736_30643.cpp(18) : error C2065: “cout” : 未声明的标识符
0_0_12348736_30643.cpp(18) : error C2065: “fixed” : 未声明的标识符
0_0_12348736_30643.cpp(18) : error C2065: “endl” : 未声明的标识符
0_0_12348736_30643.cpp(18) : error C3861: “setprecision”: 即使使用参数相关的查找,也未找到标识符


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