陆草纯 - 博客园

2014年12月22日

摘要： String to Integer (atoi)Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a challenge, plea... 阅读全文

posted @ 2014-12-22 11:30 陆草纯阅读(285) 评论(0) 推荐(0)

【LeetCode】169. Majority Element

摘要： Majority ElementGiven an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times.You may ass... 阅读全文

posted @ 2014-12-22 10:38 陆草纯阅读(9704) 评论(6) 推荐(1)

2014年12月21日

【LeetCode】9. Palindrome Number (2 solutions)

摘要： Palindrome NumberDetermine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers b... 阅读全文

posted @ 2014-12-21 21:21 陆草纯阅读(272) 评论(0) 推荐(0)

【LeetCode】10. Regular Expression Matching

摘要： Regular Expression MatchingImplement regular expression matching with support for'.'and'*'.'.' Matches any single character.'*' Matches zero or more o... 阅读全文

posted @ 2014-12-21 15:22 陆草纯阅读(6145) 评论(0) 推荐(2)

【LeetCode】11. Container With Most Water

摘要： Container With Most WaterGivennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such t... 阅读全文

posted @ 2014-12-21 14:59 陆草纯阅读(216) 评论(0) 推荐(0)

【LeetCode】12. Integer to Roman (2 solutions)

摘要： Integer to RomanGiven an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999.逐区间做处理。解法一：非递归class Solution... 阅读全文

posted @ 2014-12-21 13:21 陆草纯阅读(300) 评论(0) 推荐(0)

【LeetCode】13. Roman to Integer (2 solutions)

摘要： Roman to IntegerGiven a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.解法一：非递归从左到右遍历每个字符，并记录上个字符来处理... 阅读全文

posted @ 2014-12-21 12:57 陆草纯阅读(327) 评论(0) 推荐(0)

【LeetCode】16. 3Sum Closest

摘要： 3Sum ClosestGiven an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, target. Return the sum of the three int... 阅读全文

posted @ 2014-12-21 12:16 陆草纯阅读(204) 评论(0) 推荐(0)

【LeetCode】18. 4Sum (2 solutions)

摘要： 4SumGiven an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the sum... 阅读全文

posted @ 2014-12-21 11:11 陆草纯阅读(518) 评论(0) 推荐(0)

2014年12月20日

【LeetCode】168. Excel Sheet Column Title

摘要： Excel Sheet Column TitleGiven a non-zero positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -> A ... 阅读全文

posted @ 2014-12-20 21:06 陆草纯阅读(8499) 评论(6) 推荐(0)

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