USACO2021美国公开赛金级获奖名单
Final Results: USACO 2021 US Open, Gold Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceeded memory limi...
USACO 2021 US Open, Gold Problem 3. Permutation
USACO 2021 US Open, Gold Problem 3. Permutation Bessie has NN (3≤N≤403≤N≤40) favorite distinct points on a 2D grid, no three of which are collinear. For each 1≤i≤N1≤i≤N, the ii-th point is denoted ...
USACO 2021 US Open, Gold Problem 2. Portals
USACO 2021 US Open, Gold Problem 2. Portals Bessie is located in a network consisting of NN (2≤N≤1052≤N≤105) vertices labeled 1…N1…N and 2N2N portals labeled 1…2N1…2N. Each portal connects two dist...
USACO 2021 US Open, Gold Problem 1. United Cows of Farmer John
USACO 2021 US Open, Gold Problem 1. United Cows of Farmer John The United Cows of Farmer John (UCFJ) are sending a delegation to the International bOvine olympIad (IOI). There are NN cows participa...
USACO2021美国公开赛白金级获奖名单
Final Results: USACO 2021 US Open, Platinum Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceeded memory ...
USACO 2021 US Open, Platinum Problem 2. Routing Schemes
USACO 2021 US Open, Platinum Problem 2. Routing Schemes Consider a network of NN (2≤N≤1002≤N≤100) nodes labeled 1…N1…N. Each node is designated as a sender, a receiver, or neither. The number of se...
USACO 2021 February Contest, Platinum Problem 2. Minimizing Edges
USACO 2021 February Contest, Platinum Problem 2. Minimizing Edges Bessie has a connected, undirected graph GG with NN vertices labeled 1…N1…N and MM edges (2≤N≤105,N−1≤M≤N2+N22≤N≤105,N−1≤M≤N2+N2). ...
USACO 2021 US Open, Platinum Problem 1. United Cows of Farmer John Return to Problem List
USACO 2021 US Open, Platinum Problem 1. United Cows of Farmer John Return to Problem List The United Cows of Farmer John (UCFJ) are sending a delegation to the International bOvine olympIad ...
USACO 2021 February Contest, Bronze Problem 3. Clockwise Fence
USACO 2021 February Contest, Bronze Problem 3. Clockwise Fence The fence surrounding Farmer John's largest pasture has fallen into disrepair, and he has finally decided to replace it with a new fen...
