結果
| 問題 | 
                            No.128 お年玉(1)
                             | 
                    
| コンテスト | |
| ユーザー | 
                             nCk_cv
                         | 
                    
| 提出日時 | 2015-04-16 20:39:39 | 
| 言語 | Java  (openjdk 23)  | 
                    
| 結果 | 
                             
                                AC
                                 
                             
                            
                         | 
                    
| 実行時間 | 124 ms / 5,000 ms | 
| コード長 | 3,960 bytes | 
| コンパイル時間 | 2,631 ms | 
| コンパイル使用メモリ | 82,060 KB | 
| 実行使用メモリ | 54,232 KB | 
| 最終ジャッジ日時 | 2024-10-01 09:53:32 | 
| 合計ジャッジ時間 | 5,887 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge3 / judge1 | 
(要ログイン)
| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 21 | 
ソースコード
import java.awt.geom.Point2D;
import java.io.*;
import java.math.BigInteger;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Deque;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.PriorityQueue;
import java.util.Scanner;
import java.util.Stack;
import java.util.TreeMap;
 
 
 
public class Main {
 
    static PrintWriter out = new PrintWriter(System.out);
    static FastScanner sc = new FastScanner();
    static Scanner stdIn = new Scanner(System.in);
    
    public static void main(String[] args) {
    	long n = sc.nextLong();
    	int m = sc.nextInt();
    	long mm = n/m;
    	
    	mm /= 1000;
    	mm *= 1000;
    	
    	out.println(mm);
    	out.flush();
    }
 
 
}
class Data {
	int id;
	int score;
	Data(int a, int b) {
		id = a;
		score = b;
	}
}
class MyComp implements Comparator<Data>{
	@Override
	public int compare(Data o1, Data o2) {
		if(o1.score < o2.score) {
			return 1;
		}
		else if(o1.score > o2.score) {
			return -1;
		}
		else if(o1.id < o2.id) {
			return -1;
		}
		return 1;
	}
	
}
 
//------------------------------//
//-----------//
class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;}
    public boolean hasNext() { skipUnprintable(); return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
     
    public int nextInt() {
         if (!hasNext()) throw new NoSuchElementException();
         int n = 0;
         boolean minus = false;
         int b = readByte();
         if (b == '-') {
             minus = true;
             b = readByte();
         }
         if (b < '0' || '9' < b) {
             throw new NumberFormatException();
         }
         while(true){
             if ('0' <= b && b <= '9') {
                 n *= 10;
                 n += b - '0';
             }else if(b == -1 || !isPrintableChar(b)){
                 return minus ? -n : n;
             }else{
                 throw new NumberFormatException();
             }
             b = readByte();
         }
    }
     
    public double nextDouble() {
        return Double.parseDouble(next());
    }
     
 
}
            
            
            
        
            
nCk_cv