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: Input: n = 12 O 阅读全文
posted @ 2015-09-11 12:06 Grandyang 阅读(41847) 评论(17) 推荐(2) 编辑
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