18 lines
327 B
Python
18 lines
327 B
Python
def changes(A):
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count = 0
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i = 0
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while i < len(A):
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if i == len(A)-1:
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break
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else:
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if A[i+1] == A[i]:
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count += 1
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i += 2
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else:
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i += 1
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return count
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if __name__ == "__main__":
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print(changes([1, 2, 5, 5, 4, 2]))
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