Project Euler #92: Square digit chains

Hacker
Rank
Score
1581
flag of Nepal
25.00
1585
flag of Hong Kong
25.00
1586
flag of Japan
25.00
1587
flag of United Kingdom
25.00
1589
flag of India
25.00
1590
flag of United States
25.00
1593
flag of United States
25.00
1596
flag of India
12.50
1597
flag of India
12.50
1598
flag of India
12.50
1599
flag of Switzerland
12.50
1600
flag of United States
12.50
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