Chris.cs

'aba' => true
'abc' => false

public bool check(string sInput)
{
    bool ret = true;
    char[] forward = new char[sInput.Length];
    char[] backward = new char[sInput.Length];
    
    for (int i=0;i<sInput.Length;i++)
      forward[i] = sInput.substring(i,1);
      
    for (int i=sInput.Length-1;i>=0;i--)
        backward[i] = sInput.Substring(i,1);
        
    int index = sInput.Length-1;
    for (int i=0;i<sInput.Length;i++)
    {
       if (forward[i] != backward[index])
       {
           ret = false;
           break;
       }
       index -=1;
    }
    
    return ret;
}

'abcba'

public bool check(char[] sInput)
{
    bool bRet = true;

    for (int i=0;i<sInput.Length-i-1;i++)
    {

       if (sInput[i] != sInput[sInput.Length-i-1])
       {
           ret = false;
           break;
       }

    }
    
    return ret;
}

''
public bool check (string sInput)
{
 

    if (sInput.length == 1 || sInput.length==0)
        return true;
    else if (sInput.substring(0,1) == sInput.substring(sInput.length-1,1))
    {
        if (sInput.length ==2)
            return true;
        else
            return check (sInput.substring(1,sInput.length-1));
    }
    
    else
        return false;
    
    
}

public bool check (string sInput)
{
 

    if (sInput.length == 1 || sInput.length==0)
        return true;
    else if (sInput.substring(0,1) == sInput.substring(sInput.length-1,1))
    {
        if (sInput.length ==2)
            return true;
        else
            return check (sInput.substring(1,sInput.length-1));
    }
    
    else
        return false;
    
    
}


'rise to vote sir'
'   '

public bool copycheck (string sInput)
{
     int i, j;

    if (sInput.length == 1 || sInput.length==0)
        return true;
    else 
    {
        i=0;
        j= sInput.length-1 ;
       if (sInput.substring(0,1) == ' ')
       {
           
           while (sInput.substring(i,1) == ' ' && i<sInput.length-1)
               i++;
           
       }
       if (sInput.substring (sInput.length-1,1) == ' ')
       {
           
           while (sInput.substring(j,1) == ' ' && j>0)
               j--;  
       }
       
       if (sInput.substring(i,1) == sInput.substring(j,1))
        {
            if (sInput.length ==2)
                return true;
            else
                return check (sInput.substring(1,sInput.length-1));
        }
        
        else
            return false;
    
    }
    
    
    
    
    
}