删除排序数组中的重复项

 1 int removeDuplicates(int* nums, int numsSize) {
 2     if (numsSize == 0) {
 3         return 0;
 4     }
 5     
 6     int j = 1;
 7     for (int i = 1; i < numsSize; i++) {
 8         if (nums[i - 1] == nums[i]) {
 9             continue;
10         } else {
11             nums[j] = nums[i];
12             if (j <= numsSize - 1) {
13                 j++;
14             }
15         }
16         
17     }
18     
19     return j;
20 }