Project Euler #92: Square digit chains

Hacker
Rank
Score
1221
flag of India
37.50
1222
flag of United Arab Emirates
37.50
1223
flag of India
37.50
1224
flag of India
37.50
1225
flag of India
37.50
1227
flag of India
37.50
1228
flag of India
37.50
1229
flag of United States
37.50
1230
flag of India
37.50
1231
flag of India
37.50
1233
flag of India
37.50
1235
flag of India
37.50
1236
flag of India
37.50
1237
flag of India
37.50
1238
flag of India
37.50
1239
flag of United States
37.50
1240
flag of South Africa
37.50
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