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题目Given two binary strings, return their sum (also a binary string).For example, a = “11” b = “1” Return “100”.分析一个简单的字符串相加，该题目要注意两点：字符位的求和计算... 阅读全文
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题目Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant ... 阅读全文
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题目Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were ins... 阅读全文
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题目Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm’s runtime complexity must be... 阅读全文
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题目Write a function to delete a node (except the tail) in a singly linked list, given only access to that node.Supposed the linked list is 1 -... 阅读全文
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题目Given a string s consists of upper/lower-case alphabets and empty space characters ’ ‘, return the length of last word in the string.If the... 阅读全文
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题目Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times.You may assum... 阅读全文
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题目Related to question Excel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corresponding column number.For ex... 阅读全文
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题目Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is ... 阅读全文
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题目Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.Update (2014-11... 阅读全文
