0_0_34693118_10750.cpp 0_0_34693118_10750.cpp(1) : error C2019: 应输入预处理器指令,却找到“#” 0_0_34693118_10750.cpp(12) : error C3861: “scanf”: 找不到标识符 0_0_34693118_10750.cpp(13) : error C3861: “printf”: 找不到标识符