Project Euler #92: Square digit chains

Hacker
Rank
Score
1301
flag of India
37.50
1303
flag of Russian Federation
37.50
1305
flag of United States
37.50
1306
flag of Israel
37.50
1307
flag of India
37.50
1308
flag of India
37.50
1309
flag of India
37.50
1310
flag of India
37.50
1312
flag of India
37.50
1314
flag of India
37.50
1316
flag of India
37.50
1318
flag of India
37.50
1319
flag of Germany
37.50
1320
flag of India
37.50
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