-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathSolution_43.java
More file actions
31 lines (27 loc) · 817 Bytes
/
Solution_43.java
File metadata and controls
31 lines (27 loc) · 817 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
package com.hilbert25.leetcode;
/**
* @author : hilbert25
* @version 创建时间：2017年4月14日 下午1:03:30 LeetCode com.hilbert25.leetcode
* Solution_43
*/
public class Solution_43 {
public static void main(String[] args) {
// TODO Auto-generated method stub
multiply(String.valueOf(232), String.valueOf(452));
}
public static String multiply(String num1, String num2) {
String res = "";
int[] tempRes = new int[num1.length() + num2.length() - 1];
int index = tempRes.length - 1;
int carry = 0;
for (int i = num2.length() - 1; i >= 0; i--) {
int tempIndex=i;
for (int j = num1.length() - 1; j >= 0; j--) {
int t = (num1.charAt(j) - '0') * (num2.charAt(i) - '0') + carry;
tempRes[index] = (tempRes[index]+t) % 10;
carry = t / 10;
}
}
return res;
}
}