結果
| 問題 | No.1113 二つの整数 / Two Integers |
| コンテスト | |
| ユーザー |
shojin_pro
|
| 提出日時 | 2020-07-17 21:54:02 |
| 言語 | Java (openjdk 23) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,073 bytes |
| 記録 | |
| コンパイル時間 | 2,116 ms |
| コンパイル使用メモリ | 79,032 KB |
| 実行使用メモリ | 76,144 KB |
| 最終ジャッジ日時 | 2024-11-29 23:31:21 |
| 合計ジャッジ時間 | 6,914 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 14 TLE * 1 |
ソースコード
import java.util.*;
import java.io.*;
public class Main {
public static void main(String[] args) throws Exception {
FastScanner sc = new FastScanner(System.in);
long a = sc.nextLong();
long b = sc.nextLong();
long c = gcd(a,b);
HashMap<Long,Integer> map = getPrimeFactorizationMap(c);
long now = 1;
for(Map.Entry<Long,Integer> e : map.entrySet()){
now *= (e.getValue()+1);
}
System.out.println(now % 2 == 0 ? "Even" : "Odd");
}
private static long gcd(long a, long b){
while (b > 0)
{
long temp = b;
b = a % b; // % is remainder
a = temp;
}
return a;
}
static HashMap<Long,Integer> getPrimeFactorizationMap(long x) {
HashMap<Long,Integer> result = new HashMap<Long,Integer>();
int cnt = 0;
while (x >= 2L && x % 2L == 0) {
cnt++;
x /= 2;
}
if(cnt > 0){
result.put(2L,cnt);
cnt = 0;
}
long d = 3;
long q = x / d;
while (q >= d) {
cnt = 0;
while (x % d == 0) {
cnt++;
x /= d;
}
if(cnt > 0){
result.put(d,cnt);
}
d += 2;
q = x / d;
}
if(x != 1) result.put(x,1);
return result;
}
}
class FastScanner {
private BufferedReader reader = null;
private StringTokenizer tokenizer = null;
public FastScanner(InputStream in) {
reader = new BufferedReader(new InputStreamReader(in));
tokenizer = null;
}
public String next() {
if (tokenizer == null || !tokenizer.hasMoreTokens()) {
try {
tokenizer = new StringTokenizer(reader.readLine());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken();
}
public String nextLine() {
if (tokenizer == null || !tokenizer.hasMoreTokens()) {
try {
return reader.readLine();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken("\n");
}
public long nextLong() {
return Long.parseLong(next());
}
public int nextInt() {
return Integer.parseInt(next());
}
public double nextDouble() {
return Double.parseDouble(next());
}
public String[] nextArray(int n) {
String[] a = new String[n];
for (int i = 0; i < n; i++)
a[i] = next();
return a;
}
public int[] nextIntArray(int n) {
int[] a = new int[n];
for (int i = 0; i < n; i++)
a[i] = nextInt();
return a;
}
public long[] nextLongArray(int n) {
long[] a = new long[n];
for (int i = 0; i < n; i++)
a[i] = nextLong();
return a;
}
}
shojin_pro