結果
| 問題 |
No.7 プライムナンバーゲーム
|
| コンテスト | |
| ユーザー |
threepipes_s
|
| 提出日時 | 2015-02-21 03:51:19 |
| 言語 | Java (openjdk 23) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 2,802 bytes |
| コンパイル時間 | 2,349 ms |
| コンパイル使用メモリ | 78,812 KB |
| 実行使用メモリ | 55,268 KB |
| 最終ジャッジ日時 | 2024-06-23 21:33:13 |
| 合計ジャッジ時間 | 6,036 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 15 RE * 2 |
ソースコード
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.TreeSet;
public class Main {
// public static final int INF = 1 << 30;
public static int[] dp;
public static int n;
public static int[] p;
public static void main(String[] args) throws NumberFormatException, IOException{
ContestScanner in = new ContestScanner();
makePrime();
n = in.nextInt();
dp = new int[n+1];
for(int i=0; i<=n; i++){
dp[i] = -1;
}
dp[2] = 0;
dp[3] = 0;
for(int i=4; i<=n; i++){
int pid = 0;
TreeSet<Integer> set = new TreeSet<Integer>();
while(i - p[pid] > 1){
set.add(dp[i-p[pid]]);
pid++;
}
int min = 0;
while(set.contains(min)) min++;
dp[i] = min;
}
if(dp[n] == 0) System.out.println("Lose");
else System.out.println("Win");
}
public static void makePrime(){
p = new int[3000];
p[0] = 2;
int idx = 0;
for(int i=3; i<10000; i++){
boolean isPrime = true;
for(int j=0; j<=idx; j++){
if(i%p[j]==0){
isPrime = false;
break;
}
}
if(isPrime){
idx++;
p[idx] = i;
}
}
}
}
class Pair{
int cost;
int time;
public Pair(int cost, int time){
this.cost = cost;
this.time = time;
}
}
class MyComp implements Comparator<int[]>{
public int compare(int[] a, int[] b) {
return a[0] - b[0];
}
}
class Reverse implements Comparator<Integer>{
public int compare(Integer arg0, Integer arg1) {
return arg1 - arg0;
}
}
class Node{
int color;
boolean checked;
List<Integer> to = new ArrayList<Integer>();
public Node(){
checked = false;
}
}
//class Node{
// int id;
// List<Node> edge = new ArrayList<Node>();
// public Node(int id){
// this.id = id;
// }
// public void createEdge(Node node){
// edge.add(node);
// }
//}
class ContestScanner{
private BufferedReader reader;
private String[] line;
private int idx;
public ContestScanner() throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(System.in));
}
public ContestScanner(String filename) throws FileNotFoundException{
reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));
}
public String nextToken() throws IOException{
if(line == null || line.length <= idx){
line = reader.readLine().trim().split(" ");
idx = 0;
}
return line[idx++];
}
public long nextLong() throws IOException, NumberFormatException{
return Long.parseLong(nextToken());
}
public int nextInt() throws NumberFormatException, IOException{
return (int)nextLong();
}
public double nextDouble() throws NumberFormatException, IOException{
return Double.parseDouble(nextToken());
}
}
threepipes_s