11 lines
345 B
Python
11 lines
345 B
Python
result = []
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for _ in range(int(input())) :
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a, b = map(int, input().split())
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a %= 10
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if a==0 : result.append("10")
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elif a in [1, 5, 6] : result.append(str(a))
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elif a in [4, 9] : result.append(str(a) if b%2 else str(a*a%10))
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else : result.append(str(a**(b%4)%10) if b%4 else str(a**4%10))
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print('\n'.join(result)) |