結果
| 問題 |
No.162 8020運動
|
| コンテスト | |
| ユーザー |
threepipes_s
|
| 提出日時 | 2015-03-06 00:11:53 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,198 bytes |
| コンパイル時間 | 2,430 ms |
| コンパイル使用メモリ | 78,768 KB |
| 実行使用メモリ | 52,488 KB |
| 最終ジャッジ日時 | 2024-06-24 09:44:57 |
| 合計ジャッジ時間 | 4,984 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 WA * 1 |
| other | AC * 12 WA * 14 |
ソースコード
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.PriorityQueue;
import java.util.Queue;
public class Main {
public static void main(String[] args) throws NumberFormatException, IOException{
ContestScanner in = new ContestScanner();
int a = in.nextInt();
double p0 = in.nextInt();
p0 *= 0.01;
p0 = 1 - p0;
double p1 = in.nextInt();
p1 *= 0.01;
p1 = 1 - p1;
double p2 = in.nextInt();
p2 *= 0.01;
p2 = 1 - p2;
double[] dp = new double[32];
for(int i=0; i<32; i++){
if(i==0 || i==15 || i== 16 || i==31) continue;
dp[i] = 1;
}
for(int i=a; i<80; i++){
double[] tmp = new double[32];
for(int j=1; j<31; j++){
tmp[j] = p1*dp[j]*((1.0-dp[j-1])*dp[j+1]+(1.0-dp[j+1])*dp[j-1]);
tmp[j]+= p0*dp[j]*(1.0-dp[j-1])*(1.0-dp[j+1]);
tmp[j]+= p2*dp[j]*dp[j-1]*dp[j+1];
// tmp[j] = 1- tmp[j];
}
dp = tmp;
}
double res = 0;
for(int i=0; i<32; i++){
res += dp[i];
}
System.out.println(res);
}
}
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 implements Comparable<Node>{
int id;
List<Node> edge = new ArrayList<Node>();
// List<Integer> cost = new ArrayList<Integer>();
int sum;
public Node(int id){
this.id = id;
sum = 100000000;
}
public void createEdge(Node node){
edge.add(node);
// cost.add(c);
}
@Override
public int compareTo(Node o) {
// TODO 自動生成されたメソッド・スタブ
return sum - o.sum;
}
}
class ContestWriter{
private PrintWriter out;
public ContestWriter(String filename) throws IOException{
out = new PrintWriter(new BufferedWriter(new FileWriter(filename)));
}
public ContestWriter() throws IOException{
out = new PrintWriter(System.out);
}
public void println(String str){
out.println(str);
}
public void print(String str){
out.print(str);
}
public void close(){
out.close();
}
}
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