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Clarification on Question Meaning — Table Tennis
I have tried to solve The Table Tennis Question but I got the following mistake.
When k = 666666, a= 6666666, b= 666665
The answer is -1. But, I don't understand why the answer isn't 10. The given configuration is reachable if one player wins ten sets and scores 6666660 and then 6 more points while his opponent scores that many points. Why is the answer -1 in this case ?
Thanks.
