結果
| 問題 | No.316 もっと刺激的なFizzBuzzをください |
| コンテスト | |
| ユーザー |
threepipes_s
|
| 提出日時 | 2015-12-09 00:42:28 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 59 ms / 1,000 ms |
| コード長 | 2,627 bytes |
| 記録 | |
| コンパイル時間 | 2,407 ms |
| コンパイル使用メモリ | 79,648 KB |
| 実行使用メモリ | 37,184 KB |
| 最終ジャッジ日時 | 2024-11-21 11:23:51 |
| 合計ジャッジ時間 | 5,738 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 33 |
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.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 = new long[3];
long res = 0;
for(int i=0; i<3; i++) a[i] = in.nextLong();
for(int i=1; i<1<<3; i++){
long tmp = 1;
for(int j=0; j<3; j++){
if((i&1<<j)==0) continue;
tmp = lcm(tmp, a[j]);
}
res += n/tmp*(Integer.bitCount(i)%2==0?-1:1);
}
System.out.println(res);
}
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());}
}
threepipes_s