fr

your solution does not work for very large input numbers, it is affected by integer overflow. find a way to rewrite or rearrange the calculation being performed.

some languages, e.g. Java, require avoiding integer overflow, while others, e.g. C, do not.
the description does not warn about very large inputs.

Fun

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Please mark your post as having spoiler content next time.

That's not really true. The return type is boolean, and there's no risk of overflowing a bool. Input values also fit the range of the input type (which is int). If your intermediate values overflow, it's a bug in your code.

For Java version the type of paramaters must be long to avoid Integer overflow ^-^,

With 1193900374 bullets and 1114135985 dragons ==> expected: but was:

Huh??!!!

You are creating the Long when the overflow already happened. Not a kata issue.

The test in Python (mention the language next time, please) is like this:

test.assert_equals(hero(0, 1), False)

And it is fine. Not a kata issue.