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在设计链表的C++代码部分，addAtIndex方法中，针对index < 0 的情况纠错

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Yuhao Ju
2022-11-21 23:12:33 +08:00
committed by GitHub
parent b7d29cbe04
commit 27f8efa24c
1 changed files with 4 additions and 1 deletions
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5
problems/0707.设计链表.md
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@ -108,9 +108,12 @@ public:
// 如果index大于链表的长度，则返回空 // 如果index大于链表的长度，则返回空
// 如果index小于0，则置为0，作为链表的新头节点。 // 如果index小于0，则置为0，作为链表的新头节点。
void addAtIndex(int index, int val) { void addAtIndex(int index, int val) {
if (index > _size || index < 0) { if (index > _size) {
return; return;
} }
if (index < 0) {
index = 0;
}
LinkedNode* newNode = new LinkedNode(val); LinkedNode* newNode = new LinkedNode(val);
LinkedNode* cur = _dummyHead; LinkedNode* cur = _dummyHead;
while(index--) { while(index--) {