Reverse Integer LeetCode Programming Solutions | LeetCode Problem Solutions in C++, Java, & Python [💯Correct]

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LeetCode Programming Solutions | LeetCode Problem Solutions in C++, Java, & Python [💯Correct]

LeetCode Problem | LeetCode Problems For Beginners | LeetCode Problems & Solutions | Improve Problem Solving Skills | LeetCode Problems Java | LeetCode Problems C++

Hello Programmers/Coders, Today we are going to share solutions to the Programming problems of LeetCode Solutions in C++, Java, & Python. At Each Problem with Successful submission with all Test Cases Passed, you will get a score or marks and LeetCode Coins. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for the Reverse Integer in C++, Java & Python-LeetCode problem. We are providing the correct and tested solutions to coding problems present on LeetCode. If you are not able to solve any problem, then you can take help from our Blog/website.

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About LeetCode

LeetCode is one of the most well-known online judge platforms to help you enhance your skills, expand your knowledge and prepare for technical interviews. 

LeetCode is for software engineers who are looking to practice technical questions and advance their skills. Mastering the questions in each level on LeetCode is a good way to prepare for technical interviews and keep your skills sharp. They also have a repository of solutions with the reasoning behind each step.

LeetCode has over 1,900 questions for you to practice, covering many different programming concepts. Every coding problem has a classification of either Easy, Medium, or Hard.

LeetCode problems focus on algorithms and data structures. Here is some topic you can find problems on LeetCode:

  • Mathematics/Basic Logical Based Questions
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  • Trees & Graphs
  • Greedy Algorithms
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  • Database
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  • Recursion, etc.

Leetcode has a huge number of test cases and questions from interviews too like Google, Amazon, Microsoft, Facebook, Adobe, Oracle, Linkedin, Goldman Sachs, etc. LeetCode helps you in getting a job in Top MNCs. To crack FAANG Companies, LeetCode problems can help you in building your logic.

Link for the Problem – Reverse Integer– LeetCode Problem 

Reverse Integer– LeetCode Problem

Problem:

Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go outside the signed 32-bit integer range [-231, 231 - 1], then return 0.

Assume the environment does not allow you to store 64-bit integers (signed or unsigned).

Example 1:

Input: x = 123
Output: 321

Example 2:

Input: x = -123
Output: -321

Example 3:

Input: x = 120
Output: 21

Constraints:

  • -231 <= x <= 231 - 1
Reverse Integer– LeetCode Solutions
class Solution {
 public:
  int reverse(int x) {
    long ans = 0;

    while (x) {
      ans = ans * 10 + x % 10;
      x /= 10;
    }

    return (ans < INT_MIN || ans > INT_MAX) ? 0 : ans;
  }
};
class Solution {
  public int reverse(int x) {
    long ans = 0;

    while (x != 0) {
      ans = ans * 10 + x % 10;
      x /= 10;
    }

    return (ans < Integer.MIN_VALUE || ans > Integer.MAX_VALUE) ? 0 : (int) ans;
  }
}
class Solution:
  def reverse(self, x: int) -> int:
    ans = 0
    sign = -1 if x < 0 else 1
    x *= sign

    while x:
      ans = ans * 10 + x % 10
      x //= 10

    return 0 if ans < -2**31 or ans > 2**31 - 1 else sign * ans

116 thoughts on “Reverse Integer LeetCode Programming Solutions | LeetCode Problem Solutions in C++, Java, & Python [💯Correct]”

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