OJ Board

hi i am getting WA in this problem. now i checked my code with the sample given in the other post .. they don't match but i dont know whats wrong with my code or algo. can anyone check it plz?

unsigned int L,U,N;


unsigned int get_M();

int main()
{
while(1)
{
cin>>N>>L>>U;
if(cin.eof ...

hi,
i am getting WA in this problem. i am confused about the statement saying that "A code may or may not be preceded by a 0 in the encrypted string" . can any one plz tell me what this contraint means ?

my approach is : when i find a 0 in the enc string i try decrypting it including that zero and ...

i am having a difficulty in understanding the statement of the problem. can any one please explain me the 2nd sample