Chef and Magical Steps

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Sad Splits You are given a positive integer N. You have to split each digit of N into either of two
Akash and Function Akash has his maths test tomorrow. He secretly found out one of the questions from the test.
Avoid Alternating You have a grid with N rows and M columns in which K cells are black and the rest are wh
LR Shirts There are N people standing in a line from left to right. The i-th person from the left