There are only one trick in this problem, it's the position of the first and last digit, the first position can be smaller 0 and the last position can be larger than the length, so you can consider the following segment of code:

if(first<0 || last > 0)
{
//stop the code and print output
}

Chào A!E mới hoc lập trình C.code mãi bài 1106. Two Teams mà vẫn con sai mấy trường họp...:(( a gui code cho e bài dấy dc ko thanks A!
Email:phuongvut8@gmail.com

Edited by author 17.10.2012 21:01

Edited by author 17.10.2012 21:01