Problem StatementWe have a grid with H rows and W columns of squares. We will represent the square at the i-th row from the top and j-th column from the left as (i, j). Also, we will define the distance between the squares (i1, j1) and (i2,
Problem StatementTaichi thinks a binary string X of odd length N is beautiful if it is possible to apply the following operation N−12 times so that the only character of the resulting string is 1 : Choose three consecutive&n
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