Project Euler #28: Number spiral diagonals

Hacker
Rank
Score
1581
flag of France
100.00
1582
flag of India
100.00
1583
flag of United States
100.00
1584
flag of India
100.00
1585
flag of Peru
100.00
1586
flag of Korea, Republic of
100.00
1587
flag of India
100.00
1588
flag of Canada
100.00
1589
flag of Viet Nam
100.00
1590
flag of India
100.00
1591
flag of United States
100.00
1592
flag of Portugal
100.00
1593
flag of Peru
100.00
1594
flag of India
100.00
1596
flag of India
100.00
1597
flag of Czech Republic
100.00
1598
flag of United States
100.00
1599
flag of India
100.00
1600
flag of Japan
100.00
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