Given a sequence 1,2,3,......N, your job is to calculate all the possible sub-sequences that the sum of the sub-sequence is M. Given a sequence 1,2,3,......N
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求一段连续整数区间的和
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Given a sequence 1,2,3,......N, your job is to calculate all the possible sub-sequences that the sum of the sub-sequence is M. Given a sequence 1,2,3,......N
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