LeetCode & linked list bug
add-two-numbers
shit test
/**
* Definition for singly-linked list.
* function ListNode(val) {
* this.val = val;
* this.next = null;
* }
*/
/**
* @param {ListNode} l1
* @param {ListNode} l2
* @return {ListNode}
*/
var addTwoNumbers = function(l1, l2) {
const log = console.log;
function ListNode(val, next) {
this.val = 0 || val;
this.next = null || next;
}
log(`l1`, l1)
log(`l2`, l2)
const arr1 = [];
const arr2 = [];
while(l1) {
arr1.push(l1.val);
l1 = l1.next;
}
while(l2) {
arr2.push(l2.val)
l2 = l2.next;
}
const sum = parseInt(arr1.reverse().join(``)) + parseInt(arr2.reverse().join(``));
// 807
const arr = Array.from(sum + ``).reverse().map(i => parseInt(i));
// [7, 0, 8]
const LinkedList = (value) => {
const node = new ListNode(value, ``);
if(!head) {
head = node;
} else {
let current = head;
while(current.next) {
current = current.next;
}
current.next = node;
}
};
let head = null;
for (let i = 0; i < arr.length; i++) {
LinkedList(arr[i]);
}
log(`head`, head)
return head;
// return arr;
};
/*
好垃圾的测试呀，为什么参数给的不是 ListNode, 而是 array！
答案没有毛病呀
l1 [2,4,3]
l2 [5,6,4]
head ListNode {
val: 7,
next: ListNode { val: 0, next: ListNode { val: 8, next: '' } }
}
*/
refs
https://leetcode.com/problems/add-two-numbers/
https://leetcode-cn.com/problems/add-two-numbers/submissions/
https://leetcode-cn.com/submissions/detail/99618022/
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