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0_0_39345104_15237.cpp
0_0_39345104_15237.cpp(10) : error C2065: “vector”: 未声明的标识符
0_0_39345104_15237.cpp(10) : error C2062: 意外的类型“int” 
0_0_39345104_15237.cpp(15) : error C3861: “__gcd”:  找不到标识符
0_0_39345104_15237.cpp(16) : error C2065: “coprime_count”: 未声明的标识符
0_0_39345104_15237.cpp(18) : error C2065: “coprime_count”: 未声明的标识符
0_0_39345104_15237.cpp(19) : error C2065: “coprime_count”: 未声明的标识符
0_0_39345104_15237.cpp(20) : error C2065: “coprime_count”: 未声明的标识符
0_0_39345104_15237.cpp(30) : error C2065: “coprime_count”: 未声明的标识符