Counting Bits In a Number – Leetcode

Given an integer n, return an array ans of length n + 1 such that for each i (0 <= i <= n), ans[i] is the number of 1‘s in the binary representation of i. Example 1: Input: n = 2 Output: [0,1,1] Explanation: 0 –> 0 1 –> 1 2 –> 10 Example 2: Input: n = 5 Output: [0,1,1,2,1,2] Explanation: 0 –> 0 1 –> 1 2…

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Print Digit of Number In Words

Given a number N, Print digits of that number in words. eg, 100 should be written as One Zero Zero Solution [Using Recursion]

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Convert int to String and String to int

This is one of the most occurred scenario where we need to convert a Integer to String or a String to Integer. We can attain that by using methods of wrapper classes. Here we are discussing about Integer -> String or String ->Integer. String to int To convert String to Integer we can use parseInt()….

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