![image](https://assets.leetcode.com/users/images/2da3ded0-528f-4007-b396-5e2c9a5f6a6a_1654827378.507518.jpeg)\n![image](https://assets.leetcode.com/users/images/e2f226c6-e7a1-4c99-9231-2fb08a18aa79_1654827385.2267408.jpeg)\n![image](https://assets.leetcode.com/users/images/577bef50-b6fa-429e-b6ab-bb0a5692a7a0_1654827391.324626.jpeg)\n![image](https://assets.leetcode.com/users/images/95055864-68bd-4db9-8d01-547cd58389a8_1654827393.6225536.jpeg)\n\nHave difficulty during the test. Would appreciate it if anyone can share thoughts and code

\n\n\n\n\nHave difficulty during the test. Would appreciate it if anyone can share thoughts and code