c語言 最近點對問題（分治法+遞歸）

這個問題我從理解到證實到代碼實現，花了差很少兩天的時間，還不乏尋求幫助，我也是醉了…node Problem Description(題目摘自杭電） Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys e

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