2014-2015 ACM-ICPC, NEERC, Moscow Subregional Contest —— E. Equal Digits
E.EqualDigitstimelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputForthegivenintegerNanddigitD,findtheminimalintegerK ≥ 2suchthattherepresentationofNinthepositio