Farmer John is not good at multitasking. He gets distracted often, making it hard to complete long projects. Currently, he is trying to paint one side of his barn, but he keeps painting small recta...
Farmer John's NN cows are always wandering off to the far reaches of the farm! He needs your help herding them back together. The main field in the farm is long and skinny -- we can think of it as ...
整理自USACO官网，名单较长，建议使用页面内查找（Ctrl+F）快速定位 Final Results: USACO 2019 February Contest, Silver Key: * = Correct x = Wrong Answer (including possibly empty or missing output file...
The highway adjacent to Farmer John's farm has recently seen a dramatic increase in traffic, or at least so it seems to Farmer John. To be sure, he wants to measure the traffic flow on the highway ...
A lengthy drought has left Farmer John's NN pastures devoid of grass. However, with the rainy season arriving soon, the time has come to "revegetate". In Farmer John's shed, he has four buckets, ea...
Farmer John's 3 prize cows, Bessie, Elsie, and Mildred, are always wandering off to the far reaches of the farm! He needs your help herding them back together. The main field in the farm is long an...
整理自USACO官网，名单较长，建议使用页面内查找（Ctrl+F）快速定位 Final Results: USACO 2019 February Contest, Bronze Key: * = Correct x = Wrong Answer (including possibly empty or missing output file...
Every day the express train goes past the farm. It has NN carriages (1≤N≤1051≤N≤105), each with a positive integer label between 11and 109109; different carriages may have the same label. Usually, ...
Bessie the cow realizes she needs to exercise more in order to stay in good shape. She needs your help selecting potential routes around the farm that she can use for her morning jogging routine. T...
