2020年USACO 2月比賽銀級獲獎名單
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
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...
USACO 2020 February Contest, Silver Problem 2. Triangles
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
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...
ROBORAVE國際機器人大賽2022比賽時間即將公布！
學術活動介紹 RoboRAVE 于 2001 年起源于美國。RoboRAVE 因其易上手、教育性和趣味性強的特點，經過多年的發展，作為全世界具有影響力的普及型機器人大會； RoboRAVE已有遍布全球的幾十個分會，每年吸引來自中國...
2020年1月USACO白金級獲獎名單
Final Results: USACO 2020 January Contest, Platinum 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 January Contest, Platinum Problem 1. Cave Paintings
USACO 2020 January Contest, Platinum Problem 1. Cave Paintings Bessie has become an artist and is creating paintings of caves! Her current work in progress is a grid of height?NN?such that each row...
USACO 2020 January Contest, Platinum Problem 2. Non-Decreasing Subsequences Return to Problem List
USACO 2020 January Contest, Platinum Problem 2. Non-Decreasing Subsequences Return to Problem List Bessie was recently taking a USACO contest and encountered the following problem. Of course, Bessi...
USACO 2020 January Contest, Platinum Problem 3. Falling Portals
USACO 2020 January Contest, Platinum Problem 3. Falling Portals There are?NN?(2≤N≤2?1052≤N≤2?105) worlds, each with a portal. Initially, world?ii?(for?1≤i≤N1≤i≤N) is at?xx-coordinate?ii, and?yy-coo...
