=====lexicographical_compare===== Syntax: #include bool lexicographical_compare( input_iterator start1, input_iterator end1, input_iterator2 start2, input_iterator2 end2 ); bool lexicographical_compare( input_iterator start1, input_iterator end1, input_iterator2 start2, input_iterator2 end2, BinPred p ); The lexicographical_compare() function returns true if the range of elements [start1,end1) is lexicographically less than the range of elements [start2,end2). If you're confused about what lexicographic means, it might help to know that dictionaries are ordered lexicographically. lexicographical_compare() runs in [[/complexity|linear time]]. Related Topics: [[equal]], [[lexicographical_compare_3way]], [[mismatch]], [[search]]