結果

問題 No.251 大きな桁の復習問題(1)
ユーザー GrenacheGrenache
提出日時 2015-07-25 01:39:06
言語 Java
(openjdk 23)
結果
AC  
実行時間 594 ms / 5,000 ms
コード長 1,998 bytes
コンパイル時間 3,834 ms
コンパイル使用メモリ 78,924 KB
実行使用メモリ 56,008 KB
最終ジャッジ日時 2024-12-17 17:21:49
合計ジャッジ時間 11,706 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 21
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.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Iterator;
public class Main_yukicoder251 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
final int MOD = 129402307;
// BigInteger TWO = new BigInteger("2");
String n = sc.next();
String m = sc.next();
BigInteger nn = new BigInteger(n);
nn = nn.mod(new BigInteger("129402307"));
BigInteger loop = new BigInteger(m);
long x = nn.longValue();
long ret = 1;
/*
while (loop.compareTo(BigInteger.ZERO) > 0) {
if (loop.mod(TWO).compareTo(BigInteger.ONE) == 0) {
ret = ret * x % MOD;
}
x = x * x % MOD;
loop = loop.divide(TWO);
}
*/
int mm = loop.bitLength();
for (int i = 0; i < mm; i++) {
if (loop.testBit(i)) {
ret = ret * x % MOD;
}
x = x * x % MOD;
}
System.out.println(ret);
sc.close();
}
@SuppressWarnings("unused")
private static class Scanner {
BufferedReader br;
Iterator<String> it;
Scanner (InputStream in) {
br = new BufferedReader(new InputStreamReader(in));
}
String next() throws RuntimeException {
try {
if (it == null || !it.hasNext()) {
it = Arrays.asList(br.readLine().split(" ")).iterator();
}
return it.next();
} catch (IOException e) {
throw new IllegalStateException();
}
}
int nextInt() throws RuntimeException {
return Integer.parseInt(next());
}
long nextLong() throws RuntimeException {
return Long.parseLong(next());
}
float nextFloat() throws RuntimeException {
return Float.parseFloat(next());
}
double nextDouble() throws RuntimeException {
return Double.parseDouble(next());
}
void close() {
try {
br.close();
} catch (IOException e) {
// throw new IllegalStateException();
}
}
}
}
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