Duplicate of Problem 2983.
3 is my fav number !
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Which values occur exactly three times?
Return area of square
2倍してみよう - ここからスタート！
Beginner's Problem - Squaring
Test Problem; Create a 5x5 array containing all ones
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