Answer by Hemant Agarwal for Making a 10 digit number divisible by 3
Here is Deusovi's answer in a simpler language. All credit goes to him.Alice is guaranteed to win. She can win by ensuring that by the end of the 7th turn, the sum is not divisible by 3.She can do this...
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Note thatSo, let's work backwards:For the record:
View ArticleMaking a 10 digit number divisible by 3
Alice and Bob play the following game, taking turns. Alice starts and writes a single digit from 0 to 9 at the blackboard.At every turn, each player adds a single digit at the right of the current...
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