Project Euler #42: Coded triangle numbers

Hacker
Rank
Score
81
flag of Ukraine
100.00
82
flag of India
100.00
84
flag of United States
100.00
85
flag of India
100.00
86
flag of India
100.00
87
flag of India
100.00
88
flag of India
100.00
90
flag of United States
100.00
91
flag of India
100.00
92
flag of India
100.00
93
flag of India
100.00
94
flag of Belgium
100.00
96
flag of Belgium
100.00

[deleted]

98
flag of Syria
100.00
99
flag of United Kingdom
100.00
100
flag of Ukraine
100.00
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