Add Two Numbers
2015-06-04 15:38
309 查看
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list.
Input: (2 -> 4 -> 3) + (5 -> 6 -> 4)
Output: 7 -> 0 -> 8
/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) { val = x; }
* }
*/
public class Solution {
public ListNode addTwoNumbers(ListNode l1, ListNode l2) {
if(l1 == null && l2 == null){
return null;
}
ListNode ln = new ListNode(0);
ListNode tmp = ln;
int v1, v2;
while(true){
v1 = 0; v2 = 0;
if(l1 != null){
v1 = l1.val;
l1 = l1.next;
}
if(l2 != null){
v2 = l2.val;
l2 = l2.next;
}
tmp.val += v1 + v2;
if(tmp.val >= 10){
tmp.next = new ListNode(1);
tmp.val = tmp.val % 10;
}
if(l1 == null && l2 == null){
break;
}else if(tmp.next == null){
tmp.next = new ListNode(0);
}
tmp = tmp.next;
}
return ln;
}
}
Input: (2 -> 4 -> 3) + (5 -> 6 -> 4)
Output: 7 -> 0 -> 8
/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) { val = x; }
* }
*/
public class Solution {
public ListNode addTwoNumbers(ListNode l1, ListNode l2) {
if(l1 == null && l2 == null){
return null;
}
ListNode ln = new ListNode(0);
ListNode tmp = ln;
int v1, v2;
while(true){
v1 = 0; v2 = 0;
if(l1 != null){
v1 = l1.val;
l1 = l1.next;
}
if(l2 != null){
v2 = l2.val;
l2 = l2.next;
}
tmp.val += v1 + v2;
if(tmp.val >= 10){
tmp.next = new ListNode(1);
tmp.val = tmp.val % 10;
}
if(l1 == null && l2 == null){
break;
}else if(tmp.next == null){
tmp.next = new ListNode(0);
}
tmp = tmp.next;
}
return ln;
}
}
相关文章推荐
- javascript add event remove event
- IE不支持option的display样式,只能使用remove和add
- sql创建5类约束
- The Difference Between “Add Web Reference” and “Add Service Reference”
- Add DHCP Reservations in a batch with a Script
- Linux 中seq 命令的用法
- LeetCode 2: Add Two Numbers (JAVA)
- LeetCode 3: Longest Substring Without Repea (JAVA)
- 学习
- 学习
- Mathematician gucci shoes
- MB Star Astrology comprises of Star Sign
- c#大数运算
- POINTERS ON C 读书日记
- 摘抄---2005-1-1
- Epub 转 txt
- Yet Another Sudoku Solver in Python
- 软件项目版本号的命名格式
- winhex先Add再XOR后的数据恢复
- Two Sum