摘要：
One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1 ≤ X ≤ N). A total 阅读全文
posted @ 2019-09-06 19:57
木子川
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摘要：
Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him whe 阅读全文
posted @ 2019-09-06 18:03
木子川
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