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题目描述 Farmer John is planning to build N (2 <= N <= 50,000) square fenced-in pastures on his farm, each of size exactly K x K (1 <= K <= 1,000,000). Pa 阅读全文
posted @ 2018-11-07 11:41
bryce02
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摘要：
题目描述 The first stage of train system reform (that has been described in the problem Railways of the third stage of 14th Polish OI. However, one needs 阅读全文
posted @ 2018-11-07 10:04
bryce02
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