Practice
Extract Country Code
2025/May/Jun·Variant 1
MEDIUMString Processing
A telephone number is input as a 13-character string. The first character is always '+', followed by a 2-digit country code (e.g. "+441234567890").
Extract the 2-digit country code and check its value:
- Code "44" → output
UK - Code "20" → output
Egypt - Any other code → output
Unknown
Input: A single 13-character string.
Output: UK, Egypt, or Unknown.
Example:
Input: +201234567890
Output: Egypt
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Sample Test Cases
Test 1: UK country code
Inputs: +441234567890
Expected: UK
Test 2: Egypt country code
Inputs: +209876543210
Expected: Egypt
Test 3: Unknown country code
Inputs: +115555555555
Expected: Unknown
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