Language Details: Objective-C

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Objective-C is a general-purpose, high-level, object-oriented programming language that adds Smalltalk-style messaging to the C programming language.

Objective-C article on Wikipedia

Problems solved

Qualification Round (25 solutions by 6 contestants):
Round 1A (2 solutions by 1 contestant):
Round 1B (4 solutions by 2 contestants):
  • RPI: 2 small solutions, 2 large solutions.
Round 1C (5 solutions by 2 contestants):

Submission Origin

United States (2 contestants)
India (1 contestant)
Japan (1 contestant)
Spain (1 contestant)
Ukraine (1 contestant)
United Kingdom (1 contestant)