摘要:
1、 Find the nth to last element of a singly linked list. The minimum number of nodes in list is n. Given a List 3->2->1->5->null and n = 2, return nod 阅读全文
摘要:
1、 Given an array of integers, find the subarray with smallest sum. Return the sum of the subarray. For [1, -1, -2, 1], return -3 2、 1、只需要求出最小值 2、利用su 阅读全文
摘要:
不大懂 1、 Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its 阅读全文