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 程式師世界 >> 編程語言 >> C語言 >> 關於C語言 >> 26. Remove Duplicates from Sorted Array,duplicatessorted

26. Remove Duplicates from Sorted Array,duplicatessorted

編輯:關於C語言

26. Remove Duplicates from Sorted Array,duplicatessorted


Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length.

Do not allocate extra space for another array, you must do this in place with constant memory.

For example,
Given input array nums = [1,1,2],

Your function should return length = 2, with the first two elements of nums being 1 and 2 respectively. It doesn't matter what you leave beyond the new length.

 1 int removeDuplicates(int* nums, int numsSize) {
 2     int i,j;
 3     i = j = 0;
 4     if(numsSize == 0)
 5         return 0;
 6     for(i = 0; i < numsSize; i++)
 7     {
 8         if(nums[i] != nums[j])
 9             nums[++j] = nums[i];
10     }
11     return j+1;
12 }

 

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