2021年7月31日
[LeetCode] 1175. Prime Arrangements 质数排列
摘要： Return the number of permutations of 1 to n so that prime numbers are at prime indices (1-indexed.) (Recall that an integer is prime if and only if it 阅读全文
posted @ 2021-07-31 21:36 Grandyang 阅读(522) 评论(0) 推荐(0)
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