2020年8月26日
979. Distribute Coins in Binary Tree
摘要： Given the root of a binary tree with N nodes, each node in the tree has node.val coins, and there are N coins total. In one move, we may choose two ad 阅读全文
posted @ 2020-08-26 13:36 Schwifty 阅读(128) 评论(0) 推荐(0)
860. Lemonade Change
摘要： At a lemonade stand, each lemonade costs $5. Customers are standing in a queue to buy from you, and order one at a time (in the order specified by bil 阅读全文
posted @ 2020-08-26 12:13 Schwifty 阅读(119) 评论(0) 推荐(0)