Given a country name and a phone number, query the API at
https://jsonmock.hackerrank.com/api/countries?name=country to get the country's
calling codes. Prepend the calling code to the phone number and return the string. If the data
array is empty, return the string '-1'. If there are multiple calling codes, use the one at the
highest index. The format of the number should be:
<Calling Code><space><Phone Number>
Example:
+1 7653555443
The response is a JSON object with 5 fields. The essential field is data:
In the data array, the country has the following schema:
page, per_page, total, total_pages, etc. are not required for this task.
If the country is found, the data array contains exactly 1 element. If not, it is empty and the function should return '-1'.
Function Description
Complete the getPhoneNumbers function in the editor.
getPhoneNumbers has the following parameters:
- string country: the country to query
- string phoneNumber: the phone number
Returns
string: the completed phone number or -1
Example 1:
Input: country = "Afghanistan", phoneNumber = "6564454455"
Output: "+93 6564454455"
Explanation:A call is made to APIhttps://jsonmock.hackerrank.com/api/countries?name=Afghanistan. The calling codes array contains 1 entry, '93'.
Example 2:
Input: country = "Puerto Rico", phoneNumber = "564539386"
Output: "+1939 564539386"
Explanation:A call is made to the API to fetch the record for Puerto Rico. The returned callingCodes = ['1787', '1939']. Use the higher index code, callingCodes[1].
Example 3:
Input: country = "Oceania", phoneNumber = "987574876"
Output: "-1"
Explanation:The API call return has an empty data array.
- The returned JSON object contains either 0 or 1 record in data.
- he country name may contain uppercase and lowercase English letters and <space> (ascii 32)
input:
output: