摘要：
Phoenix has n blocks of height h1,h2,…,hn, and all hi don't exceed some value x. He plans to stack all 𝑛n blocks into m separate towers. The height o 阅读全文
posted @ 2021-05-03 22:12
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摘要：
To satisfy his love of matching socks, Phoenix has brought his n socks (n is even) to the sock store. Each of his socks has a color ci and is either a 阅读全文
posted @ 2021-05-03 20:44
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