我太SB了！！处理一次就可以了！！
#include<cstdio>
#include<cstring>
char s1[101],s2[101];
int f1[301],f2[301];

bool check(int *f)
{
    for (int i=1;i<=300;i++)
      if ((f[i]&&f[i-1])||f[i]>1) return false;
                                  return true;
}

void deal()
{
    for (int i=1;i<=301;i++)
            {
                if (f1[i]>=2)
                {
                    if (i==1){f1[i+1]++;f1[i]=0;continue;}
                    else
                   {f1[i]-=2;f1[i+1]++;f1[i-2]++;}
                    continue;
                }
                else
                {
                    if (f1[i]&&f1[i-1])
                    {
                        f1[i+1]++;f1[i]--;f1[i-1]--;
                    }
                }
            }
            f1[1]+=f1[0];f1[0]=0;
}

int main()
{
    freopen("in.txt","r",stdin);
    freopen("out.txt","w",stdout);
    int i,j,k,l,n,m;
    int t=0;
    while (scanf("%s\n",s1)==1)
    {
        if (t) printf("\n");t++;
        scanf("%s\n",s2);
        int len1=strlen(s1);
        int len2=strlen(s2);
        if (s1[0]=='0'&&len1==1&&s2[0]=='0'&&len2==1){printf("0\n");continue;}
        memset(f1,0,sizeof(f1));
        for (i=len1;i>=1;i--)f1[len1-i+1]=s1[i-1]-'0';
        for (i=len2;i>=1;i--)f1[len2-i+1]+=s2[i-1]-'0';
        f1[0]=0;
        while (check(f1)==false) deal();
        for (i=301;i>=1;i--)if (f1[i])break;
        for (;i>=1;i--) printf("%d",f1[i]); printf("\n");
    }
    return 0;
}

占楼！！

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我想问一下为什么“#include<cstdio>”在vc6.0上不能识别呢？（菜鸟的路过）

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我用的是DEV c++ 4.9.9.2