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100+ Questions | **LeetCode**. Solved 100+ question of Data Structures and Algorithms on coding platform **LeetCode**. Master The Mainframe Challenge-2019 | IBM. Completed all the 3. A browser extension to improve productivity on **Leetcode**. **Leetcode** Enhancer offered by Lovesh Dongre (18) 3,000+ users. Overview. A browser extension to improve productivity on **Leetcode**. It is a light-weight browser extension which boosts your productivity by hiding unnecessary visual elements from the screen, enabling you to focus on what is. LetPub **Scientific Journal Selector** (2018-2021) | Search, rate, and compare journals to find a home for your manuscript. Utilize LetPub’s Journal Selector Tool for free. Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n. Example 1: Input: n = 13 Output: 6 Example 2: Input: n = 0 Output: 0. Given an array arr[], find a Noble integer in it.An integer x is said to be Noble in arr[] if the number of integers greater than x is equal to x.If there are many Noble integers, return any of them. Now, try converting the following base 10 numbers into the required base. 16 into base 4. 16 into base 2. 30 in base 4. 49 in base 2. 30 in base 3. 44 in base 3. 133 in base 5. 100 in base 8.