Project Euler #56: Powerful digit sum

Hacker
Rank
Score
1221
flag of United Kingdom
100.00
1222
flag of India
100.00
1223
flag of India
100.00
1224
flag of India
100.00
1225
flag of India
100.00
1226
flag of Indonesia
100.00
1227
flag of Vietnam
100.00
1231
flag of India
100.00
1232
flag of India
100.00
1233
flag of Sri Lanka
100.00
1235
flag of Colombia
100.00
1236
flag of India
100.00
1237
flag of India
100.00
1238
flag of China
100.00
1239
flag of India
100.00
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