You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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a = 1005
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for i in range(0, 33):
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# print(2**i, 2**i * 2, 2**i % a, 2**i * 2 % a)
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l, r = 2**i, 2 * 2**i
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if 2**i % a >= 2**i * 2 % a:
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break
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print(l, r)
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len = r - l
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while len > 0:
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if (r - len) % a < r % a:
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r = r - len
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len = len // 2
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print(l, r)
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