2015년 여름방학 훈련 주간 경기 제목 CodeForces 545B As Susie is a small girl after all, her strings contain only digits zero and one. We will define the distance between two strings s and t of the same length consisting of digits zero and one as the number of positions i,... 2015년 여름방학 훈련 주간 경기 제목
CodeForces 545B As Susie is a small girl after all, her strings contain only digits zero and one. We will define the distance between two strings s and t of the same length consisting of digits zero and one as the number of positions i,... 2015년 여름방학 훈련 주간 경기 제목