2016年3月22日
[leetcode] 263. Ugly Number
摘要： Write a program to check whether a given number is an ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For exa 阅读全文
posted @ 2016-03-22 15:16 白天黑夜每日c 阅读(105) 评论(0) 推荐(0) 编辑
[leetcode] 70. Climbing Stairs
摘要： You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you cl 阅读全文
posted @ 2016-03-22 15:12 白天黑夜每日c 阅读(127) 评论(0) 推荐(0) 编辑
[leetcode] 83. Remove Duplicates from Sorted List
摘要： Given a sorted linked list, delete all duplicates such that each element appear only once. For example,Given 1->1->2, return 1->2.Given 1->1->2->3->3, 阅读全文
posted @ 2016-03-22 14:54 白天黑夜每日c 阅读(110) 评论(0) 推荐(0) 编辑
[leetcode] 328. Odd Even Linked List
摘要： Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the 阅读全文
posted @ 2016-03-22 14:48 白天黑夜每日c 阅读(122) 评论(0) 推荐(0) 编辑
[leetcode] 13. Roman to Integer
摘要： Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 阅读全文
posted @ 2016-03-22 09:38 白天黑夜每日c 阅读(131) 评论(0) 推荐(0) 编辑
2016年3月21日
[leetcode] 206. Reverse Linked List
摘要： Reverse a singly linked list. 之前错误： 把p->next=head; 写成 ln->next=head; ln是返回链表的头指针 阅读全文
posted @ 2016-03-21 14:58 白天黑夜每日c 阅读(112) 评论(0) 推荐(0) 编辑
[leetcode] 169. Majority Element
摘要： 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 assume that the 阅读全文
posted @ 2016-03-21 14:41 白天黑夜每日c 阅读(140) 评论(2) 推荐(0) 编辑
[leetcode] 217. Contains Duplicate
摘要： Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文
posted @ 2016-03-21 14:23 白天黑夜每日c 阅读(134) 评论(0) 推荐(0) 编辑
[leetcode] 171. Excel Sheet Column Number
摘要： Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A的ascii: 65 阅读全文
posted @ 2016-03-21 10:25 白天黑夜每日c 阅读(118) 评论(0) 推荐(0) 编辑
[leetcode] 242. valid anagram
摘要： Given two strings s and t, write a function to determine if t is an anagram of s. For example,s = "anagram", t = "nagaram", return true.s = "rat", t = 阅读全文
posted @ 2016-03-21 10:08 白天黑夜每日c 阅读(109) 评论(0) 推荐(0) 编辑