原题下载 USACO2017-JAN-G1 答案: import java.io.*; import java.util.*; public class bphoto { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new Fi...
原题下载 USACO2017-JAN-G2 答案: #include <cstdio> #include <cassert> #include <algorithm> using namespace std; #define NMAX 100000 #define KMAX 20 int moves[NMAX]; int dp[NMAX + 1...
原题下载 USACO2017-JAN-G3 答案: import java.io.*; import java.util.*; public class cownav { static int[] dx = new int[]{-1,0,1,0}; static int[] dy = new int[]{0,1,0,-1}; static int n; static char[]...
原题下载 USACO2017-JAN-P1 答案: import java.io.*; import java.util.*; public class promote { static LinkedList<Integer>[] children; static int[] size; static int[] start; public static void m...
原题下载 USACO2017-JAN-P2 答案: #include <bits/stdc++.h> using namespace std; typedef long long ll; const int MAXN = 1e5+5; ll n, k, a[MAXN]; ll ct(double x) { ll tot = 0; for (int i = 0; i &...
原题下载 USACO2017-JAN-P3 答案: import java.util.Arrays; import java.util.Scanner; public class subrev { public static void main (String[] args) { Scanner in = new Scanner(System.in); int n = in.ne...
原题下载 USACO2015-DEC-P3 答案: (Analysis by Nick Wu) For this problem, we are given a list of NN integers and want to support the following three operations: 1) Compute the minimum number in an in...
原题下载 USACO2015-DEC-P2 答案: (Analysis by Mark Gordon) In the simple case where high card always wins one optimal strategy that Bessie can take is to always answer FJ's plays with her lowest car...
原题下载 USACO2015-DEC-G3 答案: (Analysis by Nathan Pinsker) This is a shortest-path problem where some of the tiles follow special rules. In shortest-path problems (and dynamic programming problem...
