Recursive Digit Sum

Hacker
Rank
Score
19098
flag of United States
00.00
19098
flag of United States
00.00
19098
flag of Mexico
00.00
19098
flag of Japan
00.00
19098
flag of Andorra
00.00
19098
flag of Switzerland
00.00
19098
flag of India
00.00
19098
flag of France
00.00
19098
flag of Canada
00.00
19098
flag of India
00.00
19098
flag of India
00.00
19098
flag of United States
00.00
19098
flag of India
00.00
19098
flag of Israel
00.00
19098
flag of Egypt
00.00
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