小刀初试

摘要： Given an index k, return the kth row of the Pascal's triangle.For example, given k = 3,Return [1,3,3,1].[ [1], [1,1], [1,2,1], [1,3,3,1], [1... 阅读全文

摘要： Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.You should preserve the o... 阅读全文

摘要： Determine whether an integer is a palindrome. Do this without extra space.Some hints:Could negative integers be palindromes? (ie, -1)If you are thinki... 阅读全文