Project Euler #92: Square digit chains

Hacker
Rank
Score
1201
flag of India
50.00
1202
flag of United States
50.00
1203
flag of Bangladesh
50.00
1204
flag of Mexico
50.00
1206
flag of Italy
50.00
1207
flag of United States
50.00
1208
flag of China
50.00
1210
flag of Netherlands
50.00
1211
flag of Canada
50.00
1212
flag of United States
50.00
1213
flag of United States
50.00
1214
flag of Germany
37.50
1215
flag of India
37.50
1216
flag of India
37.50
1217
flag of India
37.50
1218
flag of India
37.50
1219
flag of Nigeria
37.50

[deleted]

1220
flag of null
37.50
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