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0_0_4314473_7332.cpp
0_0_4314473_7332.cpp(71) : error C2593: “operator -”不明确
        VC\include\vector(277): 可能是“std::vector<_Ty>::iterator::difference_type std::vector<_Ty>::iterator::operator -(const std::vector<_Ty>::const_iterator &) const”
        with
        [
            _Ty=std::pair<int,int>
        ]
        VC\include\vector(271): 或       “std::vector<_Ty>::iterator std::vector<_Ty>::iterator::operator -(std::vector<_Ty>::iterator::difference_type) const”
        with
        [
            _Ty=std::pair<int,int>
        ]
        试图匹配参数列表“(std::vector<_Ty>::iterator, 'unknown-type')”时
        with
        [
            _Ty=std::pair<int,int>
        ]
0_0_4314473_7332.cpp(71) : error C3861: “lower_bound”: 即使使用参数相关的查找，也未找到标识符