結果
| 問題 | No.438 Cwwプログラミング入門 |
| ユーザー |
 Grenache
|
| 提出日時 | 2016-11-01 20:20:47 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 63 ms / 2,000 ms |
| コード長 | 5,766 bytes |
| コンパイル時間 | 4,384 ms |
| コンパイル使用メモリ | 81,824 KB |
| 実行使用メモリ | 37,644 KB |
| 最終ジャッジ日時 | 2024-11-27 22:20:14 |
| 合計ジャッジ時間 | 12,686 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge4 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 98 |
ソースコード
import java.io.*;import java.util.*;public class Main_yukicoder438 {private static Scanner sc;private static Printer pr;private static void solve() {long x = sc.nextInt();long y = sc.nextInt();long z = sc.nextInt();if (z == 0) {pr.println("ccW");return;}long[] ab = new long[2];long gcd = extgcd(x, y, ab);if ((x == 0 && y == 0) || z % gcd != 0) {pr.println("mourennaihasimasenn");return;}long mul = z / gcd;ab[0] *= mul;ab[1] *= mul;x /= gcd;y /= gcd;// 整数の三分探索long l = -1_000_000_000;long r = 1_000_000_000;while (r - l > 1) {long mid = l + (r - l) / 2;long f1 = Math.abs(y * (mid + 1) + ab[0]) + Math.abs(- x * (mid + 1) + ab[1]);long f2 = Math.abs(y * (mid) + ab[0]) + Math.abs(- x * (mid) + ab[1]);if (f1 - f2 >= 0) {r = mid;} else {l = mid;}}ab[0] = y * r + ab[0];ab[1] = -x * r + ab[1];if (Math.abs(ab[0]) + Math.abs(ab[1]) > 5000) {pr.println("mourennaihasimasenn");return;}StringBuilder ret = new StringBuilder();if (ab[0] < 0) {append(ret, 'c', -ab[0]);append(ret, 'w', ab[1]);append(ret, 'C', ab[1] - 1);append(ret, 'W', -ab[0]);} else if (ab[1] < 0) {append(ret, 'w', -ab[1]);append(ret, 'c', ab[0]);append(ret, 'C', ab[0] - 1);append(ret, 'W', -ab[1]);} else {append(ret, 'c', ab[0]);append(ret, 'w', ab[1]);append(ret, 'C', ab[0] + ab[1] - 1);}if (ret.length() > 10000) {pr.println("mourennaihasimasenn");} else {pr.println(ret);}}private static void append(StringBuilder ret, char c, long n) {String s = Character.toString(c);while (n > 0) {if (n % 2 == 1) {ret.append(s);}n /= 2;s = s + s;}return;}private static long extgcd(long n, long m, long[] xy) {if (m == 0) {xy[0] = 1;xy[1] = 0;return n;} else {long ret = extgcd(m, n % m, xy);long tmp = xy[1];xy[1] = xy[0] - n / m * tmp;xy[0] = tmp;return ret;}}// ---------------------------------------------------public static void main(String[] args) {sc = new Scanner(System.in);pr = new Printer(System.out);solve();pr.close();sc.close();}@SuppressWarnings("unused")private static class Scanner {BufferedReader br;Scanner (InputStream in) {br = new BufferedReader(new InputStreamReader(in));}private boolean isPrintable(int ch) {return ch >= '!' && ch <= '~';}private boolean isCRLF(int ch) {return ch == '\n' || ch == '\r' || ch == -1;}private int nextPrintable() {try {int ch;while (!isPrintable(ch = br.read())) {if (ch == -1) {throw new NoSuchElementException();}}return ch;} catch (IOException e) {throw new NoSuchElementException();}}String next() {try {int ch = nextPrintable();StringBuilder sb = new StringBuilder();do {sb.appendCodePoint(ch);} while (isPrintable(ch = br.read()));return sb.toString();} catch (IOException e) {throw new NoSuchElementException();}}int nextInt() {try {// parseInt from Integer.parseInt()boolean negative = false;int res = 0;int limit = -Integer.MAX_VALUE;int radix = 10;int fc = nextPrintable();if (fc < '0') {if (fc == '-') {negative = true;limit = Integer.MIN_VALUE;} else if (fc != '+') {throw new NumberFormatException();}fc = br.read();}int multmin = limit / radix;int ch = fc;do {int digit = ch - '0';if (digit < 0 || digit >= radix) {throw new NumberFormatException();}if (res < multmin) {throw new NumberFormatException();}res *= radix;if (res < limit + digit) {throw new NumberFormatException();}res -= digit;} while (isPrintable(ch = br.read()));return negative ? res : -res;} catch (IOException e) {throw new NoSuchElementException();}}long nextLong() {try {// parseLong from Long.parseLong()boolean negative = false;long res = 0;long limit = -Long.MAX_VALUE;int radix = 10;int fc = nextPrintable();if (fc < '0') {if (fc == '-') {negative = true;limit = Long.MIN_VALUE;} else if (fc != '+') {throw new NumberFormatException();}fc = br.read();}long multmin = limit / radix;int ch = fc;do {int digit = ch - '0';if (digit < 0 || digit >= radix) {throw new NumberFormatException();}if (res < multmin) {throw new NumberFormatException();}res *= radix;if (res < limit + digit) {throw new NumberFormatException();}res -= digit;} while (isPrintable(ch = br.read()));return negative ? res : -res;} catch (IOException e) {throw new NoSuchElementException();}}float nextFloat() {return Float.parseFloat(next());}double nextDouble() {return Double.parseDouble(next());}String nextLine() {try {int ch;while (isCRLF(ch = br.read())) {if (ch == -1) {throw new NoSuchElementException();}}StringBuilder sb = new StringBuilder();do {sb.appendCodePoint(ch);} while (!isCRLF(ch = br.read()));return sb.toString();} catch (IOException e) {throw new NoSuchElementException();}}void close() {try {br.close();} catch (IOException e) {// throw new NoSuchElementException();}}}private static class Printer extends PrintWriter {Printer(PrintStream out) {super(out);}}}