USACO Section 1.4 The Clocks(DFS)
摘要:
The ClocksIOI'94 - Day 2Consider nine clocks arranged in a 3x3 array thusly:|-------| |-------| |-------| | | | | | | | |---O | |---O | | O | | | | | | | |-------| |-------| |-------| A ... 阅读全文
posted @ 2012-09-22 16:00 当冬夜渐暖 阅读(135) 评论(0) 推荐(0)
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