adjacent_find
Searches for two adjacent elements that are either equal or satisfy a specified condition.即,找出第一组满足条件的相邻元素。
template<class ForwardIterator> ForwardIterator adjacent_find( ForwardIterator _First, ForwardIterator _Last ); template<class ForwardIterator , class BinaryPredicate> ForwardIterator adjacent_find( ForwardIterator _First, ForwardIterator _Last, BinaryPredicate _Comp );