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...
Farmer John would like to create a triangular pasture for his cows. There are NN fence posts (3≤N≤1053≤N≤105) at distinct points (X1,Y1)…(XN,YN)(X1,Y1)…(XN,YN) on the 2D map of his farm. He can cho...
USACO 2020 February Contest, Silver Problem 3. Clock Tree Farmer John's new barn has a truly strange design: it consists of NN rooms (2≤N≤25002≤N≤2500), conveniently numbered 1…N1…N, and N−1N−1 cor...
