solves number of steps to reduce a nuimber to zero

Author: anishLearnsToCode

README.md

@@ -1,7 +1,7 @@
 # LeetCode Algorithms
 
-![problems-solved](https://img.shields.io/badge/Problems%20Solved-266/2081-1f425f.svg)
-![problems-solved-java](https://img.shields.io/badge/Java-266/2081-1abc9c.svg)
+![problems-solved](https://img.shields.io/badge/Problems%20Solved-273/2081-1f425f.svg)
+![problems-solved-java](https://img.shields.io/badge/Java-273/2081-1abc9c.svg)
 ![problems-solved-python](https://img.shields.io/badge/Python-186/2081-1abc9c.svg)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](CONTRIBUTING.md)
 [![cp](https://img.shields.io/badge/also%20see-Competitve%20Programming-1f72ff.svg)](https://github.com/anishLearnsToCode/competitive-programming)
@@ -343,7 +343,7 @@
 | 1331 | [Rank Transform of An Array](https://leetcode.com/problems/rank-transform-of-an-array)                                                               |                                                              [![Java](assets/java.png)](src/RankTransformOfArray.java)                                                               |                                                                                                                                   |
 | 1332 | [Remove Palindromic Subsequences](https://leetcode.com/problems/remove-palindromic-subsequences)                                                     |                                                          [![Java](assets/java.png)](src/RemovePalindromicSubSequences.java)                                                          |                                                                                                                                   |
 | 1337 | [The K Weakest Rows In A Matrix](https://leetcode.com/problems/the-k-weakest-rows-in-a-matrix)                                                       |                                                            [![Java](assets/java.png)](src/TheKWeakestRowsInAMatrix.java)                                                             |                                                                                                                                   |
-| 1342 | [Number of Steps to Reduce a Number to Zero](https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero)                               |                                                                                                                                                                                      |                                                                                                                                   |
+| 1342 | [Number of Steps to Reduce a Number to Zero](https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero)                               |                                                       [![Java](assets/java.png)](src/NumberOfStepsToReduceANumberToZero.java)                                                        |                                                                                                                                   |
 | 1346 | [Check if N and It's Double Exist](https://leetcode.com/problems/check-if-n-and-its-double-exist)                                                    |                                                                                                                                                                                      |                                                                                                                                   |
 | 1351 | [Count Negative Numbers In A Sorted Matrix](https://leetcode.com/problems/count-negative-numbers-in-a-sorted-matrix)                                 |                                                                                                                                                                                      |                                                                                                                                   |
 | 1356 | [Sort Integers by Number of 1 Bits](https://leetcode.com/problems/sort-integers-by-the-number-of-1-bits)                                             |                                                                                                                                                                                      |                                                                                                                                   |

src/NumberOfStepsToReduceANumberToZero.java

@@ -0,0 +1,11 @@
+public class NumberOfStepsToReduceANumberToZero {
+    public int numberOfSteps(int num) {
+        int steps = 0;
+        while (num > 0) {
+            steps++;
+            if ((num & 1) == 0) num >>= 1;
+            else num -= 1;
+        }
+        return steps;
+    }
+}