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8 lines
229 B
Python
8 lines
229 B
Python
x = int(input())
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if x in range(1, 31):
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array = [1 for x in range(x)]
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for i in range(2, x):
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array[i] = array[i - 1] + array[i - 2]
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print(array[x - 1])
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else:
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print("So %d khong nam trong khoang [1,30]." % x) |