0_0_23797234_28662.cpp
0_0_23797234_28662.cpp(9) : error C2065: “sum”: 未声明的标识符
VC2013\INCLUDE\xutility(371) : error C2825: '_Iter': 当后面跟“::”时必须为类或命名空间
0_0_23797234_28662.cpp(13): 参见对正在编译的类 模板 实例化“std::iterator_traits<std::ios_base &>”的引用
VC2013\INCLUDE\xutility(371) : error C2039: “iterator_category”: 不是“`global namespace'”的成员
VC2013\INCLUDE\xutility(371) : error C2146: 语法错误: 缺少“;”(在标识符“iterator_category”的前面)
VC2013\INCLUDE\xutility(371) : error C2602: “std::iterator_traits<std::ios_base &>::iterator_category”不是“std::iterator_traits<std::ios_base &>”基类的成员
VC2013\INCLUDE\xutility(371) : 参见“std::iterator_traits<std::ios_base &>::iterator_category”的声明
VC2013\INCLUDE\xutility(371) : error C2868: “std::iterator_traits<std::ios_base &>::iterator_category”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(372) : error C2825: '_Iter': 当后面跟“::”时必须为类或命名空间
VC2013\INCLUDE\xutility(372) : error C2039: “value_type”: 不是“`global namespace'”的成员
VC2013\INCLUDE\xutility(372) : error C2146: 语法错误: 缺少“;”(在标识符“value_type”的前面)
VC2013\INCLUDE\xutility(372) : error C2602: “std::iterator_traits<std::ios_base &>::value_type”不是“std::iterator_traits<std::ios_base &>”基类的成员
VC2013\INCLUDE\xutility(372) : 参见“std::iterator_traits<std::ios_base &>::value_type”的声明
VC2013\INCLUDE\xutility(372) : error C2868: “std::iterator_traits<std::ios_base &>::value_type”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(373) : error C2825: '_Iter': 当后面跟“::”时必须为类或命名空间
VC2013\INCLUDE\xutility(373) : error C2039: “difference_type”: 不是“`global namespace'”的成员
VC2013\INCLUDE\xutility(373) : error C2146: 语法错误: 缺少“;”(在标识符“difference_type”的前面)
VC2013\INCLUDE\xutility(373) : error C2602: “std::iterator_traits<std::ios_base &>::difference_type”不是“std::iterator_traits<std::ios_base &>”基类的成员
VC2013\INCLUDE\xutility(373) : 参见“std::iterator_traits<std::ios_base &>::difference_type”的声明
VC2013\INCLUDE\xutility(373) : error C2868: “std::iterator_traits<std::ios_base &>::difference_type”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(375) : error C2825: '_Iter': 当后面跟“::”时必须为类或命名空间
VC2013\INCLUDE\xutility(375) : error C2039: “pointer”: 不是“`global namespace'”的成员
VC2013\INCLUDE\xutility(375) : error C2146: 语法错误: 缺少“;”(在标识符“pointer”的前面)
VC2013\INCLUDE\xutility(375) : error C2602: “std::iterator_traits<std::ios_base &>::pointer”不是“std::iterator_traits<std::ios_base &>”基类的成员
VC2013\INCLUDE\xutility(375) : 参见“std::iterator_traits<std::ios_base &>::pointer”的声明
VC2013\INCLUDE\xutility(375) : error C2868: “std::iterator_traits<std::ios_base &>::pointer”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(376) : error C2825: '_Iter': 当后面跟“::”时必须为类或命名空间
VC2013\INCLUDE\xutility(376) : error C2039: “reference”: 不是“`global namespace'”的成员
VC2013\INCLUDE\xutility(376) : error C2146: 语法错误: 缺少“;”(在标识符“reference”的前面)
VC2013\INCLUDE\xutility(376) : error C2602: “std::iterator_traits<std::ios_base &>::reference”不是“std::iterator_traits<std::ios_base &>”基类的成员
VC2013\INCLUDE\xutility(376) : 参见“std::iterator_traits<std::ios_base &>::reference”的声明
VC2013\INCLUDE\xutility(376) : error C2868: “std::iterator_traits<std::ios_base &>::reference”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(371) : error C2602: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::iterator_category”不是“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(371) : 参见“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::iterator_category”的声明
VC2013\INCLUDE\xutility(371) : error C2868: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::iterator_category”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(372) : error C2602: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::value_type”不是“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(372) : 参见“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::value_type”的声明
VC2013\INCLUDE\xutility(372) : error C2868: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::value_type”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(373) : error C2602: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::difference_type”不是“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(373) : 参见“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::difference_type”的声明
VC2013\INCLUDE\xutility(373) : error C2868: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::difference_type”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(375) : error C2602: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::pointer”不是“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(375) : 参见“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::pointer”的声明
VC2013\INCLUDE\xutility(375) : error C2868: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::pointer”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(376) : error C2602: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::reference”不是“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(376) : 参见“std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::reference”的声明
VC2013\INCLUDE\xutility(376) : error C2868: “std::iterator_traits<std::basic_ios<char,std::char_traits<char>> &>::reference”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(371) : error C2602: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::iterator_category”不是“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(371) : 参见“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::iterator_category”的声明
VC2013\INCLUDE\xutility(371) : error C2868: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::iterator_category”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(372) : error C2602: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::value_type”不是“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(372) : 参见“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::value_type”的声明
VC2013\INCLUDE\xutility(372) : error C2868: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::value_type”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(373) : error C2602: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::difference_type”不是“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(373) : 参见“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::difference_type”的声明
VC2013\INCLUDE\xutility(373) : error C2868: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::difference_type”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(375) : error C2602: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::pointer”不是“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(375) : 参见“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::pointer”的声明
VC2013\INCLUDE\xutility(375) : error C2868: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::pointer”: 非法的 using 声明语法；应输入限定名
VC2013\INCLUDE\xutility(376) : error C2602: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::reference”不是“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>”基类的成员
VC2013\INCLUDE\xutility(376) : 参见“std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::reference”的声明
VC2013\INCLUDE\xutility(376) : error C2868: “std::iterator_traits<std::basic_istream<char,std::char_traits<char>> &>::reference”: 非法的 using 声明语法；应输入限定名
0_0_23797234_28662.cpp(13) : error C2679: 二进制“>>”: 没有找到接受“overloaded-function”类型的右操作数的运算符(或没有可接受的转换)
VC2013\INCLUDE\istream(485): 可能是“std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(std::basic_strea
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