USACO 2020 December Contest, Platinum Problem 2. Spaceship Bessie the cow has been abducted by aliens and is now trapped inside an alien spaceship! The spaceship has NN (1≤N≤60)(1≤N≤60) rooms label...
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...
