Question

I'm having a problem with ps1 problem 2?

Answer 1

http://dpaste.com/569885/

Answer 2

I ran the same code in Java and it worked fine!

Answer 3

for i in range(3,int(sqrt(prime)))

The square root of 3 (your initial prime) is less than 3.

Answer 4

print statements can help you figure it out, try this:
http://dpaste.com/569910/

Python is a loosely typed language which will get you in trouble (sometimes)) when you try to perform operations on different types.

look at the docs for the raw_input function and make sure it returns what you want

i think your optimization, int(sqrt(prime)), is giving you trouble:
look at the docs for the range function

Answer 5

@Lifeburner: That doesn't matter because if you notice, in the if statement, flag registers as 0, so log(3) automatically gets added to log(2) in sum. Like I said, I ran this program on Java, and it worked perfectly :)

Answer 6

@bwCA: I didn't quite understand what the problem was? Are you saying that the typecasting is causing the error? Thing is, just sqrt(prime) says float was found where int was expected :/

Answer 7

Ok, the thing is, the "while" is going into an infinite loop despite the prime<=n condition.

Answer 8

Yes, bwCA is right. Your n is not properly cast into int. I wrapped int() round your n prompt, and it worked.

Answer 9

OMG Lifeburner! Genius! That was such a stupid mistake! I was comparing a string and an integer! Thank you a million times over!

Answer 10

time to add Lifeburner to the elite tuple of enlightenedMinds then :)
enlightenedMinds = enlightenedMinds + ('Lifeburner',)