結果
問題 | No.1118 sin(x)/xの二乗和 |
ユーザー | hiromi_ayase |
提出日時 | 2020-07-21 05:30:21 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 212 ms / 2,000 ms |
コード長 | 2,846 bytes |
コンパイル時間 | 3,105 ms |
コンパイル使用メモリ | 91,276 KB |
実行使用メモリ | 52,212 KB |
最終ジャッジ日時 | 2024-06-07 16:38:04 |
合計ジャッジ時間 | 7,615 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 192 ms
52,008 KB |
testcase_01 | AC | 194 ms
51,888 KB |
testcase_02 | AC | 194 ms
51,948 KB |
testcase_03 | AC | 196 ms
52,084 KB |
testcase_04 | AC | 190 ms
52,196 KB |
testcase_05 | AC | 192 ms
51,916 KB |
testcase_06 | AC | 193 ms
52,092 KB |
testcase_07 | AC | 193 ms
51,896 KB |
testcase_08 | AC | 198 ms
52,076 KB |
testcase_09 | AC | 193 ms
52,028 KB |
testcase_10 | AC | 197 ms
52,212 KB |
testcase_11 | AC | 196 ms
52,068 KB |
testcase_12 | AC | 212 ms
52,116 KB |
testcase_13 | AC | 195 ms
51,880 KB |
testcase_14 | AC | 191 ms
51,940 KB |
testcase_15 | AC | 192 ms
51,888 KB |
testcase_16 | AC | 192 ms
51,900 KB |
testcase_17 | AC | 193 ms
51,764 KB |
testcase_18 | AC | 190 ms
52,100 KB |
testcase_19 | AC | 193 ms
52,044 KB |
ソースコード
public class Main { private static void solve() { double x = nd(); double ret = 0; double last = 2.07079632677096370230; int n = 1000000; for (int i = 0; i < n; i++) { double z = Math.sin(x + i); double w = Math.sin(i); if (i + x == 0) { ret += 1; } else { ret += z * z / (i + x) / (i + x); } if (i == 0) { last -= 1; } else { last -= w * w / i / i; } } System.out.println(ret + last); } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }