Remove Duplicates from Sorted Array II
Follow up for "Remove Duplicates":
What if duplicates are allowed at mosttwice?
For example,
Given sorted array A =[1,1,1,2,2,3]
,
Your function should return length =5
, and A is now[1,1,2,2,3]
.
只要能记住重复出现多少次,就可以了。
增加一个c记录,出现两次的时候,继续出现的数值就跳过,不填写了。
很简单的一道题目。
class Solution {
public:
int removeDuplicates(int A[], int n) {
if (n == 0) return 0;
int i = 0, j = 1, c = 1;
for ( ; j<n; j++)
{
if (A[j] == A[j-1]) c++;
else c = 1;
if (c <= 2) A[++i] = A[j];
}
return i+1;
}
};
//2014-2-12 update
int removeDuplicates(int A[], int n)
{
int i = 1, j = 1, c = 0;
for (; j < n; j++)
{
if (A[j] != A[j-1])
{
c = 0;
A[i++] = A[j];
}
else if (!c)
{
c++;
A[i++] = A[j];
}
}
return n? i:0;
}
分享到:
相关推荐
LeetCode Remove Duplicates from Sorted Array解决方案
26.Remove_Duplicates_from_Sorted_Array删除有序数组中的重复项【LeetCode单题讲解系列
常用数据结构习题总结 1.线性表 解决进度 No. Describition mark 1 Remove Duplicates from Sorted Array 2 Remove Duplicates from Sorted Array II 3 Search in Rotated Sorted Array 4 Search in Rotated Sorted ...
Remove Duplicates from Sorted Array iii. Plus One iv. Pascal's Triangle v. Merge Sorted Array vi. Sum vii. Find Minimum in Rotated Sorted Array viii. Largest Rectangle in Histogram ix. Maximal ...
Leetcode经典01背包 algo 1. 数据结构与算法 数组,链表,(串和序列) 堆,栈,队列 树,图 排序,搜索 贪心,回溯,动态规划 堆:一种完全二叉树,任意节点大于左右孩子(大顶堆) 树:二叉树,DFS,BFS 1 排序与...
leetcode 答案LeetCode LeetCode in Swift 这个Repo 用来存下我在LeetCode 解题的原始档,包含解题中遇到的错误,也包含解出AC 的答案, 以下的清单将连结到我的Github Pages 中,皆有题目中文翻译与解题的过程。...
Remove Duplicates from Sorted Array II Longest Consecutive Sequence Two Sum 3Sum 3Sum Closest 4Sum Remove Element Move Zeroes Next Permutation Permutation Sequence Valid Sudoku Trapping Rain Water ...
leetcode从重复数组中删除重复项 给定一个已排序的数组nums,就地删除重复项,以使每个元素仅出现一次并返回新的长度。 不要为另一个数组分配额外的空间,必须通过使用O(1)额外的内存就地修改输入数组来做到这...
颜色分类leetcode My Leetcode Problems Solutions Using javascript(ES6) 1 Two Sum 两数之和 5 Longest Palindromic Substring 最长回文子串 7 Reverse Integer 整数反转 9 Palindrome Number 回文数 11 Container...
leetcode算法题主函数如何写 leetcode 每日一题 从今天开始,每天必须完成至少2题。即为保持写代码的手感,也巩固一下编码的基础知识。 2018.1.23 题目:Remove Duplicates from Sorted Array Given a sorted array,...
leetcode 代码Remove Duplicates from Sorted Array
leetcode 1004 leetcode E:简单,M:中等,H:困难 数组和字符串 217. Contains Duplicate (E) 48. Rotate Image (M) -> 2 73. Set Matrix Zeroes (M) 1. Two Sum (E) 167. Two Sum II - Input array is sorted (E)...
lru缓存leetcode leetcode 1. Two Sum 2. Add Two Numbers 3. Longest Substring Without Repeating Characters 4. Median of Two Sorted Arrays 5. Longest Palindromic Substring 7. Reverse Integer 9. ...
java lru leetcode :ice_cream: LeetCode Kindem 的个人 LeetCode ...Duplicates from Sorted Array 48 Rotate Image 53 Maximum Subarray 55 Jump Game 56 Merge Intervals 64 Minimum Path Sum 73
leetcode python 001 LeetCode 建立两个个主要资料夹(题目收集、学习内容)+一个玩整的README整理 题目 主要以Python记录于VScode上 先记录头150题 学习 以JupyterNotebook为主 纪录各种资料结构、演算法等 ...
26 | [Remove Duplicates from Sorted Array](https://leetcode.com/problems/remove-duplicates-from-sorted-array/)| [C++](./C++/remove-duplicates-from-sorted-array.cpp) [Python](./Python/remove-duplicates...
26.Remove Duplicates from Sorted Array 53.Maximum Subarray 70.Climbing Stairs 121.Best Time to Buy and Sell Stock 122.Best Time to Buy and Sell Stock II 123.Best Time to Buy and Sell Stock III 141....
String/26_remove_duplicates_from_sorted_array.md) [(雅虎)139。 Word Break](Leetcode 问题/数组和字符串/139.word_break.md) [140. Word Break ii](Leetcode 问题/数组和字符串/140.word_break_ii.md) [151. ...
leetcode 苹果 OnlineJudge Code for Online Judge. LeetCode # Title Solution Difficulty 1 Two Sum Easy 26-1 Remove Duplicates from Sorted Array Easy 26-2 Remove Duplicates from Unsorted Array Easy 27 ...
leetcode写题闪退 #*的多少代表此题的有意思程度 有几题第一次写的时候思绪比较混乱: *****Regular Expression Matching 2014.10.29 对于Find Minimum in Rotated Sorted Array II 和 Find Minimum in Rotated ...