結果
問題 | No.942 プレゼント配り |
ユーザー | hiromi_ayase |
提出日時 | 2019-12-05 02:00:33 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,483 bytes |
コンパイル時間 | 4,943 ms |
コンパイル使用メモリ | 89,764 KB |
実行使用メモリ | 58,664 KB |
最終ジャッジ日時 | 2024-12-15 02:43:51 |
合計ジャッジ時間 | 8,008 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 | WA | - |
testcase_01 | AC | 230 ms
56,752 KB |
testcase_02 | AC | 80 ms
51,328 KB |
testcase_03 | AC | 80 ms
51,356 KB |
testcase_04 | AC | 298 ms
58,492 KB |
testcase_05 | AC | 281 ms
56,424 KB |
testcase_06 | AC | 79 ms
51,216 KB |
testcase_07 | AC | 94 ms
53,072 KB |
testcase_08 | AC | 248 ms
58,612 KB |
testcase_09 | AC | 248 ms
58,536 KB |
testcase_10 | AC | 86 ms
51,056 KB |
testcase_11 | AC | 79 ms
51,400 KB |
testcase_12 | AC | 82 ms
51,276 KB |
testcase_13 | AC | 80 ms
51,036 KB |
testcase_14 | AC | 254 ms
57,076 KB |
testcase_15 | AC | 268 ms
58,528 KB |
testcase_16 | AC | 279 ms
58,132 KB |
testcase_17 | AC | 229 ms
58,664 KB |
testcase_18 | AC | 94 ms
52,960 KB |
testcase_19 | AC | 80 ms
51,300 KB |
ソースコード
public class Main { private static void solve() { int n = ni(); int k = ni(); long sum = (long) n * (n + 1) / 2; if (sum % k != 0 || n == k) { System.out.println("No"); } else if (n == 1) { System.out.println("Yes\n1"); } else { int m = n / k; int[][] ret = new int[k][m]; int v = 1; for (int i = 0; i < m - 1; i += 2) { for (int j = 0; j < k; j++) { ret[j][i] = v++; } for (int j = k - 1; j >= 0; j--) { ret[j][i + 1] = v++; } } if (m % 2 == 1) { v -= k; for (int j = k - 1; j >= 0; j -= 2) { ret[j][m - 2] = v++; } for (int j = k - 2; j >= 0; j -= 2) { ret[j][m - 2] = v++; } for (int j = k - 2; j >= 0; j -= 2) { ret[j][m - 1] = v++; } for (int j = k - 1; j >= 0; j -= 2) { ret[j][m - 1] = v++; } } out.println("Yes"); for (int i = 0; i < k; i++) { for (int j = 0; j < m; j++) { out.print(ret[i][j] + " "); } out.println(); } } } 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)); } }