【leetcode】80. 删除排序数组中的重复项 II

int removeDuplicates(int* nums, int numsSize){
    int cnt = 0;
    for (int i = 0; i<numsSize; i++)
        if (cnt<2 || nums[i]>nums[cnt - 2]) nums[cnt++] = nums[i];
    return cnt;
}