結果

問題 No.316 もっと刺激的なFizzBuzzをください
ユーザー threepipes_s
提出日時 2015-12-09 00:05:57
言語 Java
(openjdk 23)
結果
AC  
実行時間 59 ms / 1,000 ms
コード長 2,607 bytes
コンパイル時間 2,661 ms
コンパイル使用メモリ 80,228 KB
実行使用メモリ 50,580 KB
最終ジャッジ日時 2024-11-21 11:18:55
合計ジャッジ時間 5,831 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 33
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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.HashMap;
import java.util.List;
 
public class Main {
    public static void main(String[] args) throws NumberFormatException,
    IOException {Solve solve = new Solve();solve.solve();}
}
class Solve{
    void solve() throws NumberFormatException, IOException{
        ContestScanner in = new ContestScanner();
        Writer out = new Writer();
        int n = in.nextInt();
        long a = in.nextInt();
        long b = in.nextInt();
        long c = in.nextInt();
        long an = n/a;
        long bn = n/b;
        long cn = n/c;
        long abn = n/lcm(a,b);
        long bcn = n/lcm(b,c);
        long can = n/lcm(c,a);
        long abcn = n/lcm(lcm(a,b),c);
        System.out.println(an+bn+cn-abn-bcn-can+abcn);
    }
    
    static long gcd(long a, long b){
        return b == 0 ? a : gcd(b, a % b);
    }
    // 最小公倍数
    static long lcm(long a, long b){
        return a * b / gcd(a, b);
    }
}
 
class MultiSet<T> extends HashMap<T, Integer>{
    @Override
    public Integer get(Object key){return containsKey(key)?super.get(key):0;}
    public void add(T key,int v){put(key,get(key)+v);}
    public void add(T key){put(key,get(key)+1);}
}
class Timer{
    long time;
    public void set(){time = System.currentTimeMillis();}
    public long stop(){return System.currentTimeMillis()-time;}
}
class Writer extends PrintWriter{
    public Writer(String filename) throws IOException
    {super(new BufferedWriter(new FileWriter(filename)));}
    public Writer() throws IOException{super(System.out);}
}
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 String readLine() throws IOException{return reader.readLine();}
    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());}
}
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