Total number of questions: 2\nTime: 60 min\n\n![image](https://assets.leetcode.com/users/images/8fe02584-24b2-45a3-957e-7ad9be6dd21f_1646805982.9417589.jpeg)\n![image](https://assets.leetcode.com/users/images/d2c10a02-3cd5-4eef-ab87-dfff3cb47407_1646805987.4828641.jpeg)\n![image](https://assets.leetcode.com/users/images/4f999d30-1b7a-4d8e-8932-456d7cef643b_1646805991.3492913.jpeg)\n![image](https://assets.leetcode.com/users/images/fb57af74-dee3-4463-a290-60b1244e559c_1646805997.9347997.jpeg)\n![image](https://assets.leetcode.com/users/images/856c8d80-44d6-4c85-b115-a275722ebe97_1646806005.9443643.jpeg)\n\nCan anyone help me with a best optimal solutions for these problems?

Total number of questions: 2\nTime: 60 min\n\n\n\n\n\n\n\nCan anyone help me with a best optimal solutions for these problems?