OJ Board

my code seems to be correct but still gettin WA
please give me some input/output... please !!!
thanks a lot...

is any body there???....please help me this is very easy problem and i dont know why i got WA?????????????????? :((:(

i changed my approach and got accept , you were right we do not need to work with numbers of one's, we can use mods :D

the floor and ceil of one number is equal or differnce of them is one!!!
so when you compair last two digit it means you compair them...before this i compaired whole of them and got same answer!

my code dont work for some input like 27 and i dont know what should i do to fix it???? :-/ please help me ... thanks

i got accept!

remove after accept!