Problems - XIV OI 2006/2007

Stage I
Tourist AttractionsPDF
OfficesPDF
TreesPDF
Axes of symmetryPDF
QueriesPDF
Stage II
Ridges and ValleysPDF
MegalopolisPDF
The FloodPDF
Rock GardenPDF
Tetris AttackPDF
Stage III
Driving examPDF
Gas pipelinesPDF
Building BlocksPDF
WeightsPDF
Quaternary balancePDF
The problems are available at main.edu.pl.