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View Compilation Error

0_0_39389668_25283.cpp
0_0_39389668_25283.cpp(30) : error C2440: “return”: 无法从“std::string”转换为“int”
        没有可用于执行该转换的用户定义的转换运算符,或者无法调用该运算符
0_0_39389668_25283.cpp(44) : error C2440: “初始化”: 无法从“int”转换为“std::basic_string<char,std::char_traits<char>,std::allocator<char>>”
        无构造函数可以接受源类型,或构造函数重载决策不明确


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