原题下载 USACO2015-DEC-B1 答案 (Analysis by Nick Wu) In this problem, we have a fence and two sections of the fence have been painted. We need to determine how much of the fence has been painted. W...
原题下载 USACO2016-JAN-G1 答案 (Analysis by Brian Dean) One approach for solving this problem is by combining a left-to-right scan with a right-to-left scan (one could call each scan either greedy ...
原题下载 USACO2016-JAN-S2 答案 (Analysis by Nick Wu) In this problem, we have a list of numbers. We want to find a sublist of numbers where the sum of the numbers is divisible by 7. Define a prefix...
原题下载 USACO2016-JAN-S1 答案 (Analysis by Nick Wu) In this problem, we have several hay bales on the number line and a few exploding cows. We can send an exploding cow to a certain location on th...
原题下载 USACO2016-JAN-B2 答案 (Analysis by Nick Wu) In this problem, we have a set of hay bales placed along the number line and we wish to explode as many of them as possible. When a hay bale exp...
原题下载 USACO2016-JAN-B3 答案 (Analysis by Nick Wu) In this problem, Farmer John is mowing grass on a grid. He wants to figure out the largest period of time that exists such that Farmer John neve...
原题下载 USACO2017-JAN-B1 答案: import java.io.*; import java.util.*; public class notlast { static String[] cows; public static void main(String[] args) throws IOException { // initialize file I/O...
原题下载 USACO2017-JAN-B2 答案: import java.io.*; import java.util.*; public class hps { public static void main(String[] args) throws IOException { // initialize file I/O BufferedReader br = new B...
原题下载 USACO2017-JAN-B3 答案: import java.io.*; import java.util.*; public class cowtip { public static void main(String[] args) throws IOException { // initialize file I/O BufferedReader br = ne...
