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7. reverse-integer

Use the "Run" button to execute the code.

!pip install jovian --upgrade --quiet
import jovian

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 [-2^31, 2^31 - 1], then return 0.

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

-2^31 <= x <= 2^31 - 1

brute force attempt:

  1. convert input to string
  2. iterate through each character starting at the end and return the string
  3. convert to integer and return it
  4. negative sign and starting with 0 edge cases