新京报讯(记者 宋荣俊)4月8日上午，北京齐化社区基金会·宋庄村专项社区基金正式成立暨合作签约仪式在通州区宋庄镇宋庄村艺术工厂路举行。
Is there an efficient way to get the least non-negative residue modulo n, where n is positive, in C? This is quite easy if the number is non-n开发者_如何转开发egative, then it\'s just a % n (where a
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