結果
問題 | No.739 大事なことなので2度言います |
ユーザー | tutuz |
提出日時 | 2018-10-06 15:25:08 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 52 ms / 2,000 ms |
コード長 | 3,022 bytes |
コンパイル時間 | 3,261 ms |
コンパイル使用メモリ | 77,908 KB |
実行使用メモリ | 50,516 KB |
最終ジャッジ日時 | 2024-11-20 17:00:25 |
合計ジャッジ時間 | 3,172 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 50 ms
50,492 KB |
testcase_01 | AC | 49 ms
50,484 KB |
testcase_02 | AC | 49 ms
50,144 KB |
testcase_03 | AC | 51 ms
50,412 KB |
testcase_04 | AC | 51 ms
50,420 KB |
testcase_05 | AC | 52 ms
50,516 KB |
testcase_06 | AC | 50 ms
50,420 KB |
testcase_07 | AC | 52 ms
50,416 KB |
testcase_08 | AC | 51 ms
50,296 KB |
testcase_09 | AC | 51 ms
50,488 KB |
testcase_10 | AC | 50 ms
50,440 KB |
ソースコード
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws IOException { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); TaskX solver = new TaskX(); solver.solve(1, in, out); out.close(); } static int INF = 1 << 30; static long LINF = 1L << 55; static int MOD = 1000000007; static int[] mh4 = { 0, -1, 1, 0 }; static int[] mw4 = { -1, 0, 0, 1 }; static int[] mh8 = { -1, -1, -1, 0, 0, 1, 1, 1 }; static int[] mw8 = { -1, 0, 1, -1, 1, -1, 0, 1 }; static class TaskX { public void solve(int testNumber, InputReader in, PrintWriter out) { char[] s = in.nextString().toCharArray(); int n = s.length; if (n % 2 == 1) { out.println("NO"); return; } n /= 2; for (int i = 0; i < n; i++) { if (s[i] != s[i + n]) { out.println("NO"); return; } } out.println("YES"); } } static class InputReader { BufferedReader in; StringTokenizer tok; public String nextString() { while (!tok.hasMoreTokens()) { try { tok = new StringTokenizer(in.readLine(), " "); } catch (IOException e) { throw new InputMismatchException(); } } return tok.nextToken(); } public int nextInt() { return Integer.parseInt(nextString()); } public long nextLong() { return Long.parseLong(nextString()); } public double nextDouble() { return Double.parseDouble(nextString()); } public int[] nextIntArray(int n) { int[] res = new int[n]; for (int i = 0; i < n; i++) { res[i] = nextInt(); } return res; } public int[] nextIntArrayDec(int n) { int[] res = new int[n]; for (int i = 0; i < n; i++) { res[i] = nextInt() - 1; } return res; } public int[] nextIntArray1Index(int n) { int[] res = new int[n + 1]; for (int i = 0; i < n; i++) { res[i + 1] = nextInt(); } return res; } public long[] nextLongArray(int n) { long[] res = new long[n]; for (int i = 0; i < n; i++) { res[i] = nextLong(); } return res; } public long[] nextLongArrayDec(int n) { long[] res = new long[n]; for (int i = 0; i < n; i++) { res[i] = nextLong() - 1; } return res; } public long[] nextLongArray1Index(int n) { long[] res = new long[n + 1]; for (int i = 0; i < n; i++) { res[i + 1] = nextLong(); } return res; } public double[] nextDoubleArray(int n) { double[] res = new double[n]; for (int i = 0; i < n; i++) { res[i] = nextDouble(); } return res; } public InputReader(InputStream inputStream) { in = new BufferedReader(new InputStreamReader(inputStream)); tok = new StringTokenizer(""); } } }