[Community Puzzle] Russian Dolls - Puzzle discussion

Coding Games and Programming Challenges to Code Better

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Created by @java_coffee_cup,validated by @Rafarafa,@Eulero314 and @Stef_3.
If you have any issues, feel free to ping them.

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Hey, I’m having trouble understanding one of the examples I failed on:

Here’s the group printed as it was received:

-9 -2 2 -6 -5 5 6 9
I responded “2” but it turns out I should have selected -1. Can someone help me understand why this is an invalid answer? @java_coffee_cup

If it helps, this is under “Basic validator”. My code passes all other test cases. (Well, except the two after this one, as it’s the 98th test case and I can’t check those)

Nevermind! I messed up in my debug checking, it’s the NEXT one that failed and it’s obvious. Cheers on a great puzzle!

Yes it was the next line that caused failure. Good to know you found it out by yourself.

Okay, I gotta ask, how’d you know???

Seems like a really rare edge case that triggered due to an oversight I made on examining the outer doll.

I guessed CG was printing out the last line it can print before an error was found. If that line did not trigger an error, the next line could be.

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