80. Remove Duplicates from Sorted Array II

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就是比之前的多一個flag記錄有沒有重複過一次

 1     public int removeDuplicates(int[] nums) { 2         if(nums == null || nums.length == 0) { 3             return 0; 4         } 5         boolean flag = false; 6         int index = 1; 7         for(int i = 1; i < nums.length; i++) { 8             if(nums[i-1] == nums[i]) { 9                 if(flag == false) {10                     flag = true;11                     nums[index++] = nums[i];12                 }13             } else {14                 nums[index++] = nums[i];15                 flag = false;16             }17         }18         return index;19     }

 

80. Remove Duplicates from Sorted Array II

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