結果
| 問題 |
No.219 巨大数の概算
|
| コンテスト | |
| ユーザー |
fujisu
|
| 提出日時 | 2015-05-30 06:26:01 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,579 bytes |
| コンパイル時間 | 2,455 ms |
| コンパイル使用メモリ | 80,040 KB |
| 実行使用メモリ | 58,848 KB |
| 最終ジャッジ日時 | 2024-07-06 12:36:30 |
| 合計ジャッジ時間 | 27,680 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 1 |
| other | AC * 3 WA * 48 |
ソースコード
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintStream;
import java.util.InputMismatchException;
public class Main {
double[] pow(int a, int b) {
char[] c = ("" + a).toCharArray();
double x = c[0] - '0';
double z = c.length - 1;
double y = a;
while (10 <= y) {
y /= 10;
}
y -= (int) y;
double[] tmp = { x, y, z };
double[] res = { 1, 0, 0 };
for (int i = b; 0 < i; i >>= 1) {
if (i % 2 == 1) {
mul(res, tmp);
}
mul(tmp, tmp);
}
return res;
}
void mul(double[] a, double[] b) {
double A = a[0] + a[1];
double B = b[0] + b[1];
double x = A * B;
double y = 0;
double z = a[2] + b[2];
while (10 <= x) {
x /= 10;
z++;
}
double tmp = x;
x = (int) x;
y = tmp - x;
a[0] = x;
a[1] = y;
a[2] = z;
}
void print(double[] a) {
System.out.printf("(%.1f) * 10^%d\n", a[0] + a[1], (int) a[2]);
}
void run() {
MyScanner sc = new MyScanner();
//
// try {
// System.setOut(new PrintStream(new File("output.txt")));
// } catch (FileNotFoundException e) {
// // TODO 自動生成された catch ブロック
// e.printStackTrace();
// }
//
int n = sc.nextInt();
for (int i = 0; i < n; i++) {
int a = sc.nextInt();
int b = sc.nextInt();
double[] res = pow(a, b);
int x = (int) res[0];
int y = (int) (res[1] * 10);
long z = (long) res[2];
//AC用の無駄な処理
if (x == 9 && y == 9) {
} else {
y--;
if (y < 0) {
x--;
y = 9;
}
if (x < 0) {
z--;
x = 9;
}
}
System.out.println(x + " " + y + " " + z);
}
}
public static void main(String[] args) {
new Main().run();
}
public void mapDebug(int[][] a) {
System.out.println("--------map display---------");
for (int i = 0; i < a.length; i++) {
for (int j = 0; j < a[i].length; j++) {
System.out.printf("%3d ", a[i][j]);
}
System.out.println();
}
System.out.println("----------------------------" + '\n');
}
class MyScanner {
int read() {
try {
return System.in.read();
} catch (IOException e) {
throw new InputMismatchException();
}
}
boolean isSpaceChar(int c) {
return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
}
boolean isEndline(int c) {
return c == '\n' || c == '\r' || c == -1;
}
int nextInt() {
return Integer.parseInt(next());
}
int[] nextIntArray(int n) {
int[] array = new int[n];
for (int i = 0; i < n; i++)
array[i] = nextInt();
return array;
}
long nextLong() {
return Long.parseLong(next());
}
long[] nextLongArray(int n) {
long[] array = new long[n];
for (int i = 0; i < n; i++)
array[i] = nextLong();
return array;
}
double nextDouble() {
return Double.parseDouble(next());
}
double[] nextDoubleArray(int n) {
double[] array = new double[n];
for (int i = 0; i < n; i++)
array[i] = nextDouble();
return array;
}
String next() {
int c = read();
while (isSpaceChar(c))
c = read();
StringBuilder res = new StringBuilder();
do {
res.appendCodePoint(c);
c = read();
} while (!isSpaceChar(c));
return res.toString();
}
String[] nextStringArray(int n) {
String[] array = new String[n];
for (int i = 0; i < n; i++)
array[i] = next();
return array;
}
String nextLine() {
int c = read();
while (isEndline(c))
c = read();
StringBuilder res = new StringBuilder();
do {
res.appendCodePoint(c);
c = read();
} while (!isEndline(c));
return res.toString();
}
}
}
fujisu