USACO 2020 December Contest, Platinum Problem 1. Sleeping Cows Farmer John has?NN?(1≤N≤3000)(1≤N≤3000)?cows of various sizes. He originally built each cow a personalized barn, but now some of the c...
Final Results: USACO 2020 February Contest, Platinum Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceede...
USACO 2020 February Contest, Platinum Problem 1. Delegation Farmer John's farm consists of?NN?pastures (2≤N≤1052≤N≤105) connected by?N?1N?1?roads, so that any pasture is reachable from any other pa...
USACO 2020 February Contest, Platinum Problem 2. Equilateral Triangles Farmer John's pasture can be represented by a?N×NN×N?square grid?(1≤N≤300)(1≤N≤300)?consisting of positions?(i,j)(i,j)?for all...
USACO 2020 February Contest, Platinum Problem 3. Help Yourself Bessie has been given?NN?(1≤N≤1051≤N≤105) segments on a 1D number line. The?iith segment contains all reals?xx?such that?li≤x≤rili≤x≤r...
Final Results: USACO 2020 February Contest, Gold Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceeded me...
USACO 2020 February Contest, Gold Problem 1. Timeline Bessie attended?NN?milking sessions (1≤N≤1051≤N≤105) over the past?MM?days (2≤M≤1092≤M≤109). However, she is having trouble remembering when sh...
USACO 2020 February Contest, Gold Problem 2. Help Yourself Bessie has been given?NN?segments (1≤N≤1051≤N≤105) on a 1D number line. The?iith segment contains all reals?xx?such that?li≤x≤rili≤x≤ri. D...
USACO 2020 February Contest, Gold Problem 3. Delegation Farmer John's farm consists of?NN?pastures (2≤N≤1052≤N≤105) connected by?N?1N?1?roads, so that any pasture is reachable from any other pastur...
