Project Euler #24: Lexicographic permutations

Hacker
Rank
Score
881
flag of Viet Nam
100.00
882
flag of Israel
100.00
883
flag of Spain
100.00
885
flag of India
100.00
886
flag of Denmark
100.00
887
flag of United States
100.00
889
flag of China
100.00
890
flag of India
100.00
891
flag of Romania
100.00

[deleted]

892
flag of null
100.00
893
flag of Austria
100.00
894
flag of United States
100.00
896
flag of India
100.00
897
flag of Taiwan
100.00
898
flag of India
100.00

[deleted]

899
flag of Iran
100.00
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