This Solution got AC, but it gave wrong output for the input below:
3 1
a
b
c
aaaaa
The program gave output: YES but I think the output should be: NO
Am I right? If I'm, then the data set may b too weak! :(
This Solution got AC, but it gave wrong output for the input below:
3 1
a
b
c
aaaaa
The program gave output: YES but I think the output should be: NO
Am I right? If I'm, then the data set may b too weak! :(
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Well, it seems you're right. According to your code strings like 'aaa..a' have hash equels 0. So, HASH("baaaa") == HASH("b") and so on.
Unfortunatly, testset doesn't cover this case.
HASH("baaaa") == HASH("b") * BASE^4
Right?
But actually HASH("b") == HASH("aaaab"). That's why it's good to use BASE = 5 and a = 1, b = 2 and c = 3.
BTW, this is my first way when I use a as 0, b as 1 and c as 2 and it seems I was really really really lucky with that :D :D :D
Wow, actually I compare the strings not only by the hash value but by the length too, so in my case it doesn't depend on luck. Sorry for the misunderstanding! :)