結果
問題 | No.800 四平方定理 |
ユーザー | hiromi_ayase |
提出日時 | 2019-03-23 15:17:07 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 221 ms / 2,000 ms |
コード長 | 2,910 bytes |
コンパイル時間 | 3,937 ms |
コンパイル使用メモリ | 89,712 KB |
実行使用メモリ | 117,072 KB |
最終ジャッジ日時 | 2024-09-22 13:39:13 |
合計ジャッジ時間 | 8,425 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 85 ms
51,628 KB |
testcase_01 | AC | 87 ms
51,624 KB |
testcase_02 | AC | 86 ms
51,716 KB |
testcase_03 | AC | 88 ms
51,840 KB |
testcase_04 | AC | 84 ms
51,804 KB |
testcase_05 | AC | 87 ms
51,744 KB |
testcase_06 | AC | 88 ms
51,648 KB |
testcase_07 | AC | 83 ms
51,764 KB |
testcase_08 | AC | 83 ms
53,572 KB |
testcase_09 | AC | 86 ms
51,844 KB |
testcase_10 | AC | 161 ms
86,236 KB |
testcase_11 | AC | 158 ms
89,972 KB |
testcase_12 | AC | 157 ms
88,044 KB |
testcase_13 | AC | 155 ms
88,032 KB |
testcase_14 | AC | 160 ms
90,240 KB |
testcase_15 | AC | 158 ms
90,032 KB |
testcase_16 | AC | 159 ms
90,280 KB |
testcase_17 | AC | 158 ms
90,120 KB |
testcase_18 | AC | 158 ms
90,332 KB |
testcase_19 | AC | 160 ms
90,180 KB |
testcase_20 | AC | 75 ms
51,416 KB |
testcase_21 | AC | 75 ms
51,076 KB |
testcase_22 | AC | 160 ms
89,924 KB |
testcase_23 | AC | 216 ms
116,600 KB |
testcase_24 | AC | 212 ms
117,020 KB |
testcase_25 | AC | 217 ms
116,324 KB |
testcase_26 | AC | 77 ms
51,316 KB |
testcase_27 | AC | 76 ms
51,328 KB |
testcase_28 | AC | 221 ms
117,072 KB |
testcase_29 | AC | 217 ms
116,376 KB |
testcase_30 | AC | 217 ms
116,192 KB |
testcase_31 | AC | 208 ms
112,692 KB |
testcase_32 | AC | 220 ms
116,220 KB |
ソースコード
public class Main { private static void solve() { int n = ni(); int d = ni(); int[] x = new int[2 * n * n + 1]; int[] y = new int[2 * n * n + 1]; int offset = n * n; for (int i = 1; i <= n; i ++) { for (int j = 1; j <= n; j ++) { x[i * i + j * j] ++; y[offset + (i * i - j * j)] ++; } } long ret = 0; for (int i = 0; i <= 2 * n * n; i ++) { int j = offset + i - d; if (0 <= j && j <= 2 * n * n) ret += x[i] * y[offset + i - d]; } System.out.println(ret); } 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)); } }