Project Euler #92: Square digit chains

Hacker
Rank
Score
1541
flag of Canada
25.00
1542
flag of Chile
25.00
1543
flag of India
25.00

[deleted]

1544
flag of null
25.00
1545
flag of Brazil
25.00
1546
flag of Algeria
25.00
1547
flag of United States
25.00
1548
flag of India
25.00
1550
flag of India
25.00
1551
flag of United States
25.00
1552
flag of India
25.00
1553
flag of India
25.00
1555
flag of United States
25.00
1556
flag of Chile
25.00
1557
flag of Singapore
25.00
1558
flag of United States
25.00
1560
flag of Russia
25.00
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