44 lines
742 B
Python
44 lines
742 B
Python
num1 = [1, 8, 9]
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num2 = [2, 1]
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res = []
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carry = 0
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i = -1
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lens1 = len(num1)
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lens2 = len(num2)
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min_index = min(lens1, lens2) * -1
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while i >= min_index:
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val = num1[i] + num2[i] + carry
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if val >= 10:
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carry = 1
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res.insert(0, val - 10)
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else:
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carry = 0
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res.insert(0, val)
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i -= 1
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if lens1 != lens2:
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if lens1 > lens2:
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last = num1
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min_index = lens1 * -1
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else:
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last = num2
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min_index = lens2 * -1
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while i >= min_index:
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val = last[i] + carry
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if val >= 10:
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carry = 1
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res.insert(0, val-10)
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else:
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carry = 0
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res.insert(0, val)
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i -= 1
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if carry:
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res.insert(0, carry)
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print(res)
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