原题下载 USACO2016DEC-G3 答案: import java.io.*; import java.util.*; public class lasers { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new Fil...
原题下载 USACO2016DEC-P1 答案: #include <cstdio> #include <cstring> #include <cstdlib> #include <algorithm> #include <complex> using namespace std; #define FR(i, a, b)...
原题下载 USACO2016DEC-G2 答案: import java.io.*; import java.util.*; public class team { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new FileR...
原题下载 USACO2016DEC-G3 答案: #include <iostream> #include <vector> #include <algorithm> using namespace std; int N, M; vector<int> A[100010]; int F[100010]; int totalcount...
原题下载 USACO2015-DEC-G2 答案 (Analysis by Nathan Pinsker) This is a standard knapsack problem with a bit of a twist. After Bessie drinks water once, her fullness value will decrease, but she won'...
原题下载 USACO2015-DEC-P1 答案 (Analysis by Nick Wu) In this problem, we're given a set of paths on a tree and want to compute the maximum number of paths some node in the tree is on. The naive sol...
原题下载 USACO2015-DEC-G1 答案 (Analysis by Nathan Pinsker) This problem seems daunting at first, but a few insights can give way to a greedy strategy for solving it: - You're free to mentally rear...
原题下载 USACO2015-DEC-S3 答案 (Analysis by Nick Wu) In this problem, we have a list of N integers, each either being 1, 2, or 3. For a list of certain intervals, we want to count how many numbers ...
原题下载 USACO2015-DEC-S2 答案 (Analysis by Nick Wu) In this problem, Bessie and Elsie each have NN unique integers ranging from 1 to 2N2N. Over NN rounds, Bessie and Elsie will each select a diffe...
