• + 0 comments

    Here's similar Python3 code in modern HackerRank, where one defines a function.

    def fairRations(B):
    
        output, M = 0, len(B)-1
        for i in range(M):
            if B[i]%2 : output += 2 ; B[i+1] += 1
        return "NO" if B[M]%2 else output