摘要:
'?' Matches any single character.'*' Matches any sequence of characters(including the empty sequence). The matching should cover the entireinput strin... 阅读全文
摘要:
Given n non-negative integers representing an elevation map where the width of each bar is 1,compute how much water it is able to trap after ra... 阅读全文
摘要:
Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by thecharacter '.'.You may assume that there will be on... 阅读全文
摘要:
Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord... 阅读全文
摘要:
Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 01 2 4 5 6 7 might become 4 5 6 7 0 1 2).You are given a target value... 阅读全文