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摘要: Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n. Example 1: Example 2: 阅读全文
posted @ 2019-04-25 19:37 PJCK 阅读(164) 评论(0) 推荐(0) 编辑