Submission #3027486

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Source Code Expand

def a_colorful_slimes_2(N, A):
    ans = 0
    used_color = set(A)
    for k in range(1, N - 1):
        if A[k - 1] == A[k]:
            ans += 1
            for num in range(1, 100001):
                if num not in used_color:
                    A[k] = num
                    used_color.add(num)
                    break
    return ans

N = int(input())
A = [int(i) for i in input().split()]
print(a_colorful_slimes_2(N, A))

Submission Info

Judge Result