World Finals

  1. Problem A: Checkerboard Matrix.
  2. Problem B: Power Swapper.
  3. Problem C: Symmetric Trees.
  4. Problem D: Paradox Sort.
  5. Problem E: Allergy Testing.
  6. Problem F: ARAM.

Language Popularity

Problem AProblem BProblem CProblem DProblem EProblem FSetsPeople
LanguageSLSLSLSLSLSLTotalAll / Adv / Perfect
C++18182015171219914114321
Java4443434242344
D1111111181
Total23232519221524111913018526

Legend: advancing to next round, perfect score.

Graphs