結果
| 問題 |
No.89 どんどんドーナツどーんといこう!
|
| コンテスト | |
| ユーザー |
threepipes_s
|
| 提出日時 | 2015-02-20 01:07:57 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 54 ms / 5,000 ms |
| コード長 | 2,094 bytes |
| コンパイル時間 | 2,119 ms |
| コンパイル使用メモリ | 79,472 KB |
| 実行使用メモリ | 37,396 KB |
| 最終ジャッジ日時 | 2024-10-05 22:27:23 |
| 合計ジャッジ時間 | 3,219 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 9 |
ソースコード
import java.awt.Point;
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.LinkedList;
import java.util.List;
import java.util.Queue;
public class Main {
public static void main(String[] args) throws NumberFormatException, IOException{
ContestScanner in = new ContestScanner();
double c = in.nextDouble();
double rin = in.nextDouble();
double rout = in.nextDouble();
double a = (rin+rout)/2;
double r = (rout-rin)/2;
System.out.println(2*Math.PI*Math.PI*a*r*r*c);
}
}
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