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2015-01-07 19:53:21
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1 <= l <= r <= n
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2015-01-07 19:50:06
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Obviously 1<=l<=r<=n
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2015-01-07 19:37:52
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in this problem, 0 <= xi
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2015-01-07 19:20:09
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In problem C, mini = 1n - x + 1 (lcm(ai, ai + 1, ..., ai + x - 1)) means the minimum value of lcm(a_i,a_{i+1},...,a_{i+x-1}) where 1 <= i <= n-x+1
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2015-01-07 19:17:54
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In problem D, sample 2, C = 2.It will be fixed.
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