* Looking for different approaches to this problem. \n![image](https://assets.leetcode.com/users/images/703e9e14-2c93-4583-b9bb-84a0c6cab341_1605320837.3176672.png)\n Constraints \n![image](https://assets.leetcode.com/users/images/6dd626be-416a-4dfb-81b5-5592fb692715_1605320836.6705134.png)\n Function prototype \n![image](https://assets.leetcode.com/users/images/d43ac8c1-9eac-407f-989c-38922ab08c4a_1605320836.9404802.png)\n\n\n

Looking for different approaches to this problem.\n\nConstraints\n\n Function prototype \n\n\n\n