USACO 2022 US Open Contest, Silver Problem 1. Visits Each of Bessie’s?NN?(2≤N≤1052≤N≤105) bovine buddies (conveniently labeled?1…N1…N) owns her own farm. For each?1≤i≤N1≤i≤N, buddy?ii?wants to visi...
Final Results: USACO 2022 US Open 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 mem...
USACO 2022 US Open Contest, Gold Problem 3. Balancing a Tree Farmer John has conducted an extensive study of the evolution of different cow breeds. The result is a rooted tree with?NN?(2≤N≤1052≤N≤1...
USACO 2022 US Open Contest, Gold Problem 2. Pair Programming A program consists of a sequence of instructions, each of which is of one of the following forms: ×d×d, where dd is a digit in the range...
USACO 2022 US Open Contest, Gold Problem 1. Apple Catching It's raining apples! At certain points in time, some number of apples will hit the number line. At certain points in time, some of Farmer ...
Final Results: USACO 2022 US Open 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...
翰林有方的導師專訪系列一直深受大家的喜愛，每一篇都是滿滿干貨，這次我們邀請到了美國TOP3大學的歷史系女導師！ 從小萌生的興趣，使她與歷史結下了不解之緣，一直不斷地探索亞洲中古史。本科從國內TOP2大學的歷...
USACO 2022 US Open Contest, Platinum Problem 3. Up Down Subsequence Farmer John's?NN?cows (2≤N≤3?1052≤N≤3?105), conveniently numbered?1…N1…N?as usual, have ordered themselves according to a permuta...
USACO 2022 US Open Contest, Platinum Problem 2. Hoof and Brain Given a directed graph with?NN?vertices and?MM?edges (2≤N≤1052≤N≤105,?1≤M≤2?1051≤M≤2?105), Farmer John's cows like to play the followi...
