2020年USACO 2月比赛金级获奖名单
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
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
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
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...
2020年USACO 2月比赛铜级获奖名单
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
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
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
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 ...
2020年USACO 2月比赛银级获奖名单
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 ...
