24: 树形DP 337. 打家劫舍 III https://leetcode.cn/problems/house-robber-iii/solution/shi-pin-ru-he-si-kao-shu-xing-dppythonja-a7t1/

课后作业： 没有上司的舞会 https://www.luogu.com.cn/problem/P1352 1377. T 秒后青蛙的位置 https://leetcode.cn/problems/frog-position-after-t-seconds/ 1377 思考题：如果有多个目标位置呢？ 2646. 最小化旅行的价格总和 https://leetcode.cn/problems/minimize-the-total-price-of-the-trips/ （会员题）https://leetcode.cn/problems/choose-edges-to-maximize-score-in-a-tree/ https://codeforces.com/problemset/problem/1689/C

题解： 1377. T 秒后青蛙的位置 https://leetcode.cn/problems/frog-position-after-t-seconds/solution/dfs-ji-yi-ci-you-qu-de-hack-by-endlessch-jtsr/ 2646. 最小化旅行的价格总和 https://leetcode.cn/problems/minimize-the-total-price-of-the-trips/solution/lei-si-da-jia-jie-she-iii-pythonjavacgo-4k3wq/