#include<stdio.h>
#include<string>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;

int main()
{
	int casenum;
	while(1==scanf("%d",&casenum))
        {
		for(int c=0;c<casenum;c++)
		{
			string bin1;
			string bin2;
			string tmp;
			int jinwei=0;
			int len1;
			int len2;
			cin>>bin1>>bin2;
			len1=bin1.size();
			len2=bin2.size();
			if(len2<len1)
			{
				swap(bin1,bin2);
				swap(len1,len2);
			}			
			for(int i=0;i<len2;i++)
			{
				if(jinwei)
				{
					jinwei=1;
					bin2[len2-i-1]=bin2[len2-i-1]-'0'+jinwei;
					jinwei=bin2[len2-i-1]/2;
					bin2[len2-i-1]=bin2[len2-i-1]%2+'0';					
				}
				if(len1-i-1>=0)
				{
					bin2[len2-i-1]=bin2[len2-i-1]-'0'+bin1[len1-i-1]-'0';
					jinwei+=bin2[len2-i-1]/2;
					bin2[len2-i-1]=bin2[len2-i-1]%2+'0';
				}	
				if(len2-i-1==0&&jinwei)
				{
					
					bin2.insert(0,‘1’);//这里是有错的哦~
				}
			}	
			len2=bin2.size();
			while(bin2[0]=='0')
			{
				len2--;
				if(len2==0)
					break;
				bin2.erase(0,1);
			}
			cout<<c+1<<" "<<bin2<<endl;
		}
        }
	return 0;
}

• Re:本地编译通不过的代码居然神奇的AC，太假了~ (1249) ad315 2010-10-16 10:58:32