USACO 2017年首轮月赛白金题2 Push a Box Bessie and her friends have invented a new game. The game is named accurately, but not particularly creatively. They call it the "Push A Box Around The Barn T...
USACO 2017年首轮月赛白金级题3 Greedy Gift Takers Farmer John's nemesis, Farmer Nhoj, has N cows (1≤ N ≤ 105), conveniently numbered 1... N. They have unexpectedly turned up at Farmer John's farm, s...
USACO 2017年首轮月赛金级题3 HAYBALE FEAST Farmer John is preparing a delicious meal for his cows! In his barn, he has N haybales ( 1 ≤ N ≤ 100,000 ). The ith haybale has a certain flavor Fi ( 1 ≤ F...
USACO 2017年首轮月赛金级题2 BARN PAINTING Farmer John has a large farm with N barns ( 1 ≤ N ≤ 105), some of which are already painted and some not yet painted. Farmer John wants to paint these rema...
USACO 2017年首轮月赛金级题1 A PIE FOR A PIE Bessie and Elsie have each baked N pies (1 ≤ N ≤ 105). Each of the 2N pies has a tastiness value according to Bessie and a (possibly different) tastiness...
USACO 2017年首轮月赛银级题3 THE BOVINE SHUFFLE Convinced that happy cows generate more milk, Farmer John has installed a giant disco ball in his barn and plans to teach his cows to dance! Looking u...
USACO 2017年首轮月赛银级题2 Milk Measurement Each of Farmer John's cows initially produces gallons of milk per day (1≤G≤109 ). Since the milk output of a cow is known to potentially change over tim...
USACO 2017年首轮月赛银级题1 MY COW ATE MY HOMEWORK In your bovine history class, you have been given a rather long homework assignment with questions (3≤N≤100,000 ), each graded with an integer sco...
USACO 2017年首轮月赛铜级题3 Milk Measurement Farmer John purchases three cows: Bessie, Elsie, and Mildred, each of whom initially produces 7 gallons of milk per day. Since the milk output of a cow ...
