結果
問題 | No.1822 Keima of Shogi |
ユーザー | shojin_pro |
提出日時 | 2022-01-28 21:48:37 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 57 ms / 2,000 ms |
コード長 | 3,312 bytes |
コンパイル時間 | 2,514 ms |
コンパイル使用メモリ | 79,100 KB |
実行使用メモリ | 50,540 KB |
最終ジャッジ日時 | 2024-06-09 14:51:19 |
合計ジャッジ時間 | 3,422 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 57 ms
50,164 KB |
testcase_01 | AC | 56 ms
50,464 KB |
testcase_02 | AC | 57 ms
50,484 KB |
testcase_03 | AC | 54 ms
50,404 KB |
testcase_04 | AC | 53 ms
50,540 KB |
testcase_05 | AC | 53 ms
50,404 KB |
testcase_06 | AC | 54 ms
50,452 KB |
testcase_07 | AC | 54 ms
50,228 KB |
testcase_08 | AC | 54 ms
50,428 KB |
testcase_09 | AC | 55 ms
50,136 KB |
ソースコード
import java.util.*; import java.io.*; public class Main { static FastScanner sc = new FastScanner(System.in); static PrintWriter pw = new PrintWriter(System.out); static StringBuilder sb = new StringBuilder(); static long mod = (long) 1e9 + 7; public static void main(String[] args) throws Exception { solve(); pw.flush(); } public static void solve() { long n = sc.nextLong(); long dist = (n+1)/2; pw.println(dist*(dist+1)/2L); } static class GeekInteger { public static void save_sort(int[] array) { shuffle(array); Arrays.sort(array); } public static int[] shuffle(int[] array) { int n = array.length; Random random = new Random(); for (int i = 0, j; i < n; i++) { j = i + random.nextInt(n - i); int randomElement = array[j]; array[j] = array[i]; array[i] = randomElement; } return array; } public static void save_sort(long[] array) { shuffle(array); Arrays.sort(array); } public static long[] shuffle(long[] array) { int n = array.length; Random random = new Random(); for (int i = 0, j; i < n; i++) { j = i + random.nextInt(n - i); long randomElement = array[j]; array[j] = array[i]; array[i] = randomElement; } return array; } } } class FastScanner { private BufferedReader reader = null; private StringTokenizer tokenizer = null; public FastScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); tokenizer = null; } public FastScanner(FileReader in) { reader = new BufferedReader(in); tokenizer = null; } public String next() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public String nextLine() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { return reader.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken("\n"); } public long nextLong() { return Long.parseLong(next()); } public int nextInt() { return Integer.parseInt(next()); } public double nextDouble() { return Double.parseDouble(next()); } public String[] nextArray(int n) { String[] a = new String[n]; for (int i = 0; i < n; i++) a[i] = next(); return a; } public int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } public long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } }