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Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: 阅读全文
posted @ 2017-10-20 19:45
daniel456
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Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 阅读全文
posted @ 2017-10-20 19:43
daniel456
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Implement int sqrt(int x). Compute and return the square root of x. 题目题目：返回一个int数开方后的结果 阅读全文
posted @ 2017-10-20 19:40
daniel456
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Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. You may assume the integer do not contain any leadin 阅读全文
posted @ 2017-10-20 19:34
daniel456
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Determine whether an integer is a palindrome. Do this without extra space. 题目含义：不要使用额外空间，判断整数是否为回文 阅读全文
posted @ 2017-10-20 19:32
daniel456
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Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 题目含义翻转一个整数 相关题目：190. Reverse Bits 阅读全文
posted @ 2017-10-20 16:08
daniel456
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Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Given a number n. You have to 阅读全文
posted @ 2017-10-20 11:22
daniel456
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You are given n pairs of numbers. In every pair, the first number is always smaller than the second number. Now, we define a pair (c, d) can follow an 阅读全文
posted @ 2017-10-20 11:12
daniel456
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Given a list of non-negative numbers and a target integer k, write a function to check if the array has a continuous subarray of size at least 2 that 阅读全文
posted @ 2017-10-20 11:05
daniel456
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Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum length of s is 1000. Example 1:Input: "bbbab 阅读全文
posted @ 2017-10-20 11:00
daniel456
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