2017年12月7日
HDU 1518 Square （DFS+剪枝）
摘要： Given a set of sticks of various lengths, is it possible to join them end to end to form a square? Input The first line of input contains N, the numbe 阅读全文
posted @ 2017-12-07 17:05 Zireael 阅读(194) 评论(0) 推荐(0) 编辑