原创 LeetCode之80. Remove Duplicates from Sorted Array II
題目原文：Given a sorted array nums, remove the duplicates in-place such that duplicates appeared at most twice and return t
2018-09-03 11:04:55
原创 LeetCode之18_4Sum
題目原文： Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find
2018-09-03 11:04:55
原创 LeetCode之6_ZigZag Conversion
題目原文： The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want
2018-09-03 11:04:55
原创 LeetCode之8_String to Integer (atoi)
題目原文： Implement atoi to convert a string to an integer. Hint: Carefully consider all possible input cases. If you w
2018-09-03 11:04:55
1
原创 LeetCode之11_Container With Most Water
題目原文： Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical
2018-09-03 11:04:55
原创 常量指針與指針常量之區別
在說常量指針與指針常量之前，先來看一看一個普通指針的使用 int *pa 大家知道pa代表一個指向int類型值的指針.用另一種方式解讀爲：取pa所指向的地址內的值後，其值類型爲int 應該說，編譯器只認識的是int型，int*型是不存在
2018-09-03 11:04:55
原创 LeetCode之4_Median of Two Sorted Arrays
題目原文： There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arr
2018-09-03 11:04:55
4
原创 LeetCode之16_3Sum Closest
題目原文： Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target
2018-09-03 11:04:55
原创 LeetCode之33. Search in Rotated Sorted Array
題目原文：Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand.(i.e., [0,1,2,4,5,6,
2018-09-03 11:04:55
原创 LeetCode之9_Palindrome Number
題目原文： Determine whether an integer is a palindrome. Do this without extra space. 題意分析： 不使用額外空間，判斷給定的一個整數是否爲迴文整數。 如果只是求
2018-09-03 11:04:55
原创 LeetCode之13_Integer to Roman
題目原文： Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 題
2018-09-03 11:04:55
3