2018年3月15日
1021. Deepest Root (25)
摘要： A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find the 阅读全文
posted @ 2018-03-15 19:52 王清河 阅读(149) 评论(0) 推荐(0)
1013. Battle Over Cities (25)
摘要： It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c 阅读全文
posted @ 2018-03-15 14:12 王清河 阅读(114) 评论(0) 推荐(0)
1090. Highest Price in Supply Chain (25)
摘要： A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer 阅读全文
posted @ 2018-03-15 10:49 王清河 阅读(150) 评论(0) 推荐(0)
1079. Total Sales of Supply Chain (25)
摘要： A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer 阅读全文
posted @ 2018-03-15 10:25 王清河 阅读(147) 评论(0) 推荐(0)