为啥本地通过还WA？

http://oj.youdao.com/contest/116/problem/C

#include<iostream>
using namespace std;

int main()
{
  int a;
  cin>>a;
  for(int i=0;i<a;i++)
  {
    int b;
    cin>>b;
    if(b<10)
    {
      cout<<b+b<<endl;
    }
    else if(b<100)
    {
      cout<<b%10+b/10<<endl;
    }
    else if(b<1000)
    {
      cout<<b%10+b/100<<endl;
    }
    else if(b<10000)
    {
      cout<<b%10+b/1000<<endl;
    }
    else if(b<100000)
    {
      cout<<b%10+b/10000<<endl;
    }
    else if(b<1000000)
    {
      cout<<b%10+b/100000<<endl;
    }
  }
  cout<<endl;
  return 0;
}

http://oj.youdao.com/contest/116/problem/A

#include<iostream>
using namespace std;

int main()
{
  int t;
  cin>>t;
  for(int i=0;i<t;i++)
  {
  	int m,s;
    cin>>m>>s;
    while(m>0&&s>0)
    {
      m-=s;
      s/=2;
    }
    if(s==0&&m<=0)
    {
      cout<<1<<endl;
      continue;
    }
    else if(s==0)
    {
      cout<<0<<endl;
      continue;
    }
    else if(m<=0)
    {
      cout<<1<<endl;
      continue;
    }
  }
  return 0;
}

$\color{Red}{Wrong\ Answer\ ?}$