結果
問題 | No.219 巨大数の概算 |
ユーザー |
![]() |
提出日時 | 2022-10-14 09:11:18 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,396 bytes |
コンパイル時間 | 2,385 ms |
コンパイル使用メモリ | 79,592 KB |
実行使用メモリ | 59,744 KB |
最終ジャッジ日時 | 2024-06-26 12:28:08 |
合計ジャッジ時間 | 22,211 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 1 WA * 50 |
ソースコード
import java.io.*;import java.util.*;public class Main {public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();StringBuilder sb = new StringBuilder();for (int i = 0; i < n; i++) {sb.append(pow(new Num(sc.nextLong()), sc.nextLong())).append("\n");}System.out.print(sb);}static Num pow(Num x, long p) {if (p == 0) {return new Num(1);} else if (p % 2 == 0) {return pow(x.pow2(), p / 2);} else {return pow(x, p - 1).multiply(x);}}static class Num {long value;long size;public Num(long x, long size) {value = x;this.size = size;normalize();}public Num(long x) {this(x, 0);}public void normalize() {while (value > Integer.MAX_VALUE) {value /= 10;size++;}}public Num multiply(Num another) {return new Num(value * another.value, size + another.size);}public Num pow2() {return new Num(value * value, size * 2);}public String toString() {while (value < 10) {value *= 10;size--;}while (value >= 100) {value /= 10;size++;}return value / 10 + " " + (value % 10) + " " + (size + 1);}}}class Scanner {BufferedReader br = new BufferedReader(new InputStreamReader(System.in));StringTokenizer st = new StringTokenizer("");StringBuilder sb = new StringBuilder();public Scanner() throws Exception {}public int nextInt() throws Exception {return Integer.parseInt(next());}public long nextLong() throws Exception {return Long.parseLong(next());}public double nextDouble() throws Exception {return Double.parseDouble(next());}public String next() throws Exception {while (!st.hasMoreTokens()) {st = new StringTokenizer(br.readLine());}return st.nextToken();}}