摘要: The ClocksIOI'94 - Day 2 Consider nine clocks arranged in a 3x3 array thusly: |-------| |-------| |-------| | | | | | | | |---O | |---O | | O | | | | | | | |-------| |-------| |-------| A ... 阅读全文
posted @ 2012-07-24 19:40 剑不飞 阅读(220) 评论(0) 推荐(0) 编辑