2017年11月16日
POJ 3723 Conscription（最小生成树）
摘要： Windy has a country, and he wants to build an army to protect his country. He has picked up N girls and M boys and wants to collect them to be his sol 阅读全文
posted @ 2017-11-16 19:12 Zireael 阅读(269) 评论(0) 推荐(0) 编辑