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...
Final Results: USACO 2020 February Contest, Bronze Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceeded ...
USACO 2020 February Contest, Bronze Problem 1. Triangles Farmer John would like to create a triangular pasture for his cows. There are NN fence posts (3≤N≤1003≤N≤100) at distinct points (X1,Y1)…(XN...
USACO 2020 February Contest, Bronze Problem 2. Mad Scientist Farmer John's cousin Ben happens to be a mad scientist. Normally, this creates a good bit of friction at family gatherings, but it can o...
USACO 2020 February Contest, Bronze Problem 3. Swapity Swap Farmer John's NN cows (1≤N≤1001≤N≤100) are standing in a line. The iith cow from the left has label ii, for each 1≤i≤N1≤i≤N. Farmer John ...
Final Results: USACO 2020 February Contest, Silver Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceeded ...
USACO 2020 February Contest, Silver Problem 1. Swapity Swapity Swap Farmer John's NN cows (1≤N≤1051≤N≤105) are standing in a line. The iith cow from the left has label ii for each 1≤i≤N1≤i≤N. Farme...
