Questions: 2\nTime: 60 mins\n\nQuestion: 1\n![image](https://assets.leetcode.com/users/images/0e572ea7-37e5-4039-b86d-7c99e8236fbb_1598097779.9909456.png)\n![image](https://assets.leetcode.com/users/images/bffd3e05-dc1f-49f6-8975-00e347c26de0_1598097811.6553295.png)\n![image](https://assets.leetcode.com/users/images/d83a426d-85db-4aab-95d4-8a5d5ffbc0e6_1598097837.9690926.png)\n\nQuestion: 2\n![image](https://assets.leetcode.com/users/images/7df0245d-3098-4258-b76d-4c1068e64ab9_1598097852.311717.png)\n![image](https://assets.leetcode.com/users/images/5a73118b-5539-4114-bf51-dbda7cb82b8b_1598097859.8378565.png)\n![image](https://assets.leetcode.com/users/images/e4bfd259-114e-424d-9feb-951a282332b1_1598097864.548049.png)\n\nEdit: I was able to solve both partially. Can anybody tell me the efficient solution for both?\n\n\n\n

Questions: 2\nTime: 60 mins\n\nQuestion: 1\n\n\n\n\nQuestion: 2\n\n\n\n\nEdit: I was able to solve both partially. Can anybody tell me the efficient solution fo