Add Binary
Apr 2 '12
5763 / 16556
Given two binary strings, return their sum (also a binary string).
For example,
a = "11"
b = "1"
Return "100".
我的丑陋的
public class Solution {
public String addBinary(String a, String b) {
if(a==null||b==null) return null;
int la = a.length(),lb = b.length();
int add = 0;
int i = la-1,j=lb-1;
StringBuilder sb = new StringBuilder();
while(i>=0 && j>=0){
int......
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