algorithm/hello-algo
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Fix the index out of bound check in my_list.

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This commit is contained in:
Yudong Jin
2023-01-30 17:50:07 +08:00
parent 15c798046a
commit ddd5562b60
11 changed files with 90 additions and 98 deletions
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8
codes/csharp/chapter_array_and_linkedlist/my_list.cs
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@ -37,7 +37,7 @@ namespace hello_algo.chapter_array_and_linkedlist
public int Get(int index)
{
// 索引如果越界则抛出异常，下同
if (index >= size)
if (index < 0 || index >= size)
throw new IndexOutOfRangeException("索引越界");
return nums[index];
}
@ -45,7 +45,7 @@ namespace hello_algo.chapter_array_and_linkedlist
/* 更新元素 */
public void Set(int index, int num)
{
if (index >= size)
if (index < 0 || index >= size)
throw new IndexOutOfRangeException("索引越界");
nums[index] = num;
}
@ -64,7 +64,7 @@ namespace hello_algo.chapter_array_and_linkedlist
/* 中间插入元素 */
public void Insert(int index, int num)
{
if (index >= size)
if (index < 0 || index >= size)
throw new IndexOutOfRangeException("索引越界");
// 元素数量超出容量时，触发扩容机制
if (size == Capacity())
@ -82,7 +82,7 @@ namespace hello_algo.chapter_array_and_linkedlist
/* 删除元素 */
public int Remove(int index)
{
if (index >= size)
if (index < 0 || index >= size)
throw new IndexOutOfRangeException("索引越界");
int num = nums[index];
// 将索引 index 之后的元素都向前移动一位