1261-1270 1261. Find Elements in a Contaminated Binary Tree $\star\star$ 1262. Greatest Sum Divisible by Three $\star\star$ 1263. Minimum Moves to Move a Box to Their Target Location $\star\star\star$ 1264. Page Recommendations $\star\star$ 1265. Print Immutable Linked List in Reverse $\star\star$ 1266. Minimum Time Visiting All Points $\star$ 1267. Count Servers that Communicate $\star\star$ 1268. Search Suggestions System $\star\star$ 1269. Number of Ways to Stay in the Same Place After Some Steps $\star\star\star$ 1270. All People Report to the Given Manager $\star\star$