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添加 面试题02.07.链表相交.md JavaScript语言解法的注释

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jobinben
2022-02-06 18:36:14 +08:00
parent 08e226bb00
commit f9e5bce7d7
1 changed files with 3 additions and 1 deletions
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problems/面试题02.07.链表相交.md
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@ -224,12 +224,14 @@ var getIntersectionNode = function(headA, headB) {
lenA = getListLen(headA),
lenB = getListLen(headB);
if(lenA < lenB) {
// 下面交换变量注意加 “分号” ，两个数组交换变量在同一个作用域下时
// 如果不加分号，下面两条代码等同于一条代码: [curA, curB] = [lenB, lenA]
[curA, curB] = [curB, curA];
[lenA, lenB] = [lenB, lenA];
}
let i = lenA - lenB;
while(i-- > 0) {
curA = curA.next
curA = curA.next;
}
while(curA && curA !== curB) {
curA = curA.next;