题目链接
计蒜客 - 41099
题目
There is a positive integer X, X’s reversion count is Y. For example, X=123, Y=321; X=1234, Y=4321. Z=(X-Y)/9, Judge if Z is made up of only one number(0,1,2…9), like Z=11,Z=111,Z=222,don’t consider '+'and ‘-’. There is
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计蒜客 - 41099 Reversion Count(找规律)
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