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addTwoNumbers.html
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79 lines (73 loc) · 1.95 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<p>
给出两个 非空 的链表用来表示两个非负的整数。其中,它们各自的位数是按照 逆序 的方式存储的,并且它们的每个节点只能存储 一位 数字。<br>
如果,我们将这两个数相加起来,则会返回一个新的链表来表示它们的和。<br>
您可以假设除了数字 0 之外,这两个数都不会以 0 开头。
</p>
<script>
let arr1 =
[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1],
arr2 = [5,6,4]; // 235 + 124
function ListNode(val) {
this.val = val;
this.next = null;
}
function List(arr, pre) {
let node = new ListNode(arr[0]);
arr.shift();
if (pre) {
pre.next = node;
}
if (arr.length > 0) {
List(arr, node);
}
return node;
}
let num1 = List(arr1);
let num2 = List(arr2);
/*--------------------------准备工作完结--------------------------*/
var addTwoNumbers = function(l1, l2) {
let a1 = [],
a2 = [];
let toNum = (pre, arr) => {
if (!pre) return;
if (pre.val != undefined) {
arr.push(pre.val)
}
if (pre.next) {
toNum(pre.next, arr)
}
}
let List = (arr, pre) => {
let node = new ListNode(arr[0]);
arr.shift();
if (pre) {
pre.next = node;
}
if (arr.length > 0) {
List(arr, node);
}
return node;
}
toNum(l1, a1);
toNum(l2, a2);
let res1 = Number(a1.reverse().join('')),
res2 = Number(a2.reverse().join('')),
result = res1 + res2;
console.log(res1);
console.log(res2);
console.log(result);
let arr = String(result).split('').reverse();
let head = List(arr);
return head;
};
console.log(addTwoNumbers(num1, num2));
</script>
</body>
</html>