摘要:
Phoenix loves beautiful arrays. An array is beautiful if all its subarrays of length kk have the same sum. A subarray of an array is any sequence of c 阅读全文
posted @ 2020-05-02 14:56
脂环
阅读(482)
评论(0)
推荐(0)
摘要:
Phoenix has nn coins with weights 21,22,…,2n21,22,…,2n. He knows that nn is even. He wants to split the coins into two piles such that each pile has e 阅读全文
posted @ 2020-05-02 14:48
脂环
阅读(306)
评论(0)
推荐(0)

浙公网安备 33010602011771号