Project Euler #14: Longest Collatz sequence

Hacker
Rank
Score
641
flag of India
100.00
642
flag of India
100.00
643
flag of Romania
100.00
644
flag of India
100.00
645
flag of India
100.00
646
flag of India
100.00
647
flag of China
100.00
648
flag of China
100.00

[deleted]

649
flag of null
100.00
650
flag of Andorra
100.00
651
flag of India
100.00
653
flag of China
100.00
654
flag of United States
100.00
655
flag of India
100.00
656
flag of France
100.00
657
flag of India
100.00
658
flag of United States
100.00
660
flag of India
100.00
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