結果
問題 | No.523 LED |
ユーザー | hiromi_ayase |
提出日時 | 2017-06-02 22:57:51 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 405 ms / 2,000 ms |
コード長 | 2,901 bytes |
コンパイル時間 | 2,327 ms |
コンパイル使用メモリ | 77,588 KB |
実行使用メモリ | 37,376 KB |
最終ジャッジ日時 | 2024-09-21 23:54:44 |
合計ジャッジ時間 | 6,485 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 55 ms
36,336 KB |
testcase_01 | AC | 53 ms
36,572 KB |
testcase_02 | AC | 65 ms
36,464 KB |
testcase_03 | AC | 53 ms
36,320 KB |
testcase_04 | AC | 51 ms
36,432 KB |
testcase_05 | AC | 403 ms
37,184 KB |
testcase_06 | AC | 52 ms
36,560 KB |
testcase_07 | AC | 52 ms
36,760 KB |
testcase_08 | AC | 52 ms
36,420 KB |
testcase_09 | AC | 58 ms
36,408 KB |
testcase_10 | AC | 53 ms
36,432 KB |
testcase_11 | AC | 52 ms
36,492 KB |
testcase_12 | AC | 50 ms
36,640 KB |
testcase_13 | AC | 127 ms
37,104 KB |
testcase_14 | AC | 51 ms
36,544 KB |
testcase_15 | AC | 53 ms
36,420 KB |
testcase_16 | AC | 52 ms
36,656 KB |
testcase_17 | AC | 52 ms
36,732 KB |
testcase_18 | AC | 405 ms
37,144 KB |
testcase_19 | AC | 186 ms
37,376 KB |
testcase_20 | AC | 173 ms
37,228 KB |
testcase_21 | AC | 322 ms
37,224 KB |
testcase_22 | AC | 354 ms
37,240 KB |
testcase_23 | AC | 351 ms
37,232 KB |
testcase_24 | AC | 65 ms
36,736 KB |
ソースコード
import java.io.IOException;import java.io.InputStream;import java.util.NoSuchElementException;public class Main {public static void main(String[] args) {FastScanner sc = new FastScanner();int N = sc.nextInt();long mod = 1000000007;long ret = 1;for (int i = 0; i < N; i ++) {ret = ret * (i * 2 + 1);ret %= mod;ret = ret * (i * 2 + 2) / 2 % mod;}System.out.println(ret);}}class FastScanner {public static String debug = null;private final InputStream in = System.in;private int ptr = 0;private int buflen = 0;private byte[] buffer = new byte[1024];private boolean eos = false;private boolean hasNextByte() {if (ptr < buflen) {return true;} else {ptr = 0;try {if (debug != null) {buflen = debug.length();buffer = debug.getBytes();debug = "";eos = true;} else {buflen = in.read(buffer);}} catch (IOException e) {e.printStackTrace();}if (buflen < 0) {eos = true;return false;} else if (buflen == 0) {return false;}}return true;}private int readByte() {if (hasNextByte())return buffer[ptr++];elsereturn -1;}private static boolean isPrintableChar(int c) {return 33 <= c && c <= 126;}private void skipUnprintable() {while (hasNextByte() && !isPrintableChar(buffer[ptr]))ptr++;}public boolean isEOS() {return this.eos;}public boolean hasNext() {skipUnprintable();return hasNextByte();}public String next() {if (!hasNext())throw new NoSuchElementException();StringBuilder sb = new StringBuilder();int b = readByte();while (isPrintableChar(b)) {sb.appendCodePoint(b);b = readByte();}return sb.toString();}public long nextLong() {if (!hasNext())throw new NoSuchElementException();long n = 0;boolean minus = false;int b = readByte();if (b == '-') {minus = true;b = readByte();}if (b < '0' || '9' < b) {throw new NumberFormatException();}while (true) {if ('0' <= b && b <= '9') {n *= 10;n += b - '0';} else if (b == -1 || !isPrintableChar(b)) {return minus ? -n : n;} else {throw new NumberFormatException();}b = readByte();}}public int nextInt() {return (int) nextLong();}public long[] nextLongList(int n) {return nextLongTable(1, n)[0];}public int[] nextIntList(int n) {return nextIntTable(1, n)[0];}public long[][] nextLongTable(int n, int m) {long[][] ret = new long[n][m];for (int i = 0; i < n; i ++) {for (int j = 0; j < m; j ++) {ret[i][j] = nextLong();}}return ret;}public int[][] nextIntTable(int n, int m) {int[][] ret = new int[n][m];for (int i = 0; i < n; i ++) {for (int j = 0; j < m; j ++) {ret[i][j] = nextInt();}}return ret;}}