結果

問題 No.238 Mr. K's Another Gift
ユーザー suiginginsuigingin
提出日時 2015-07-05 23:52:50
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,734 bytes
コンパイル時間 6,662 ms
コンパイル使用メモリ 76,308 KB
実行使用メモリ 56,044 KB
最終ジャッジ日時 2023-09-22 08:52:38
合計ジャッジ時間 13,518 ms
ジャッジサーバーID
(参考情報)
judge14 / judge13
このコードへのチャレンジ
(要ログイン)

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 118 ms
55,684 KB
testcase_01 AC 115 ms
55,432 KB
testcase_02 AC 114 ms
55,452 KB
testcase_03 AC 123 ms
55,840 KB
testcase_04 AC 149 ms
55,708 KB
testcase_05 WA -
testcase_06 AC 161 ms
55,652 KB
testcase_07 AC 172 ms
56,044 KB
testcase_08 AC 167 ms
55,532 KB
testcase_09 AC 172 ms
55,756 KB
testcase_10 AC 118 ms
55,828 KB
testcase_11 AC 114 ms
55,748 KB
testcase_12 AC 118 ms
55,748 KB
testcase_13 AC 123 ms
55,908 KB
testcase_14 AC 148 ms
55,760 KB
testcase_15 AC 162 ms
53,836 KB
testcase_16 AC 158 ms
55,924 KB
testcase_17 AC 151 ms
55,480 KB
testcase_18 AC 159 ms
55,860 KB
testcase_19 AC 147 ms
55,728 KB
testcase_20 AC 119 ms
55,648 KB
testcase_21 AC 115 ms
55,940 KB
testcase_22 AC 115 ms
55,380 KB
testcase_23 AC 121 ms
55,864 KB
testcase_24 AC 148 ms
55,464 KB
testcase_25 AC 152 ms
55,920 KB
testcase_26 AC 168 ms
55,692 KB
testcase_27 AC 164 ms
55,644 KB
testcase_28 AC 170 ms
55,600 KB
testcase_29 AC 166 ms
55,552 KB
testcase_30 AC 118 ms
55,644 KB
testcase_31 AC 120 ms
55,708 KB
testcase_32 AC 125 ms
55,796 KB
testcase_33 AC 150 ms
55,696 KB
testcase_34 AC 156 ms
55,640 KB
testcase_35 AC 159 ms
55,708 KB
testcase_36 AC 169 ms
55,644 KB
testcase_37 AC 166 ms
55,924 KB
testcase_38 AC 158 ms
55,708 KB
testcase_39 AC 157 ms
55,788 KB
testcase_40 AC 119 ms
55,664 KB
testcase_41 AC 119 ms
55,908 KB
testcase_42 AC 122 ms
55,436 KB
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ソースコード

diff #

import java.util.Arrays;
import java.util.Scanner;

public class Main_origin {
	MyScanner sc = new MyScanner();
	Scanner sc2 = new Scanner(System.in);
	final int M = 1000000000;
	int[] dx = { 1, 0, 0, -1 };
	int[] dy = { 0, 1, -1, 0 };

	void run() {
		StringBuilder s = new StringBuilder(sc.next());

		if (palindrome(s.toString())) {
			if (s.length() % 2 == 0)
				s.insert(s.length() / 2, "y");
			else
				s.insert(s.length() / 2, s.charAt(s.length() / 2));
			System.out.println(s);
			return;
		}
		int l = 0;
		int r = s.length() - 1;
		boolean add = false;
		while (l <= r) {
			if (s.charAt(l) != s.charAt(r)) {
				if (add) {
					System.out.println("NA");
					return;
				}
				if ((r - l) <= 1) {
					s.insert(r + 1, s.charAt(l));
				} else {
					if (s.charAt(l) == s.charAt(r - 1)) {
						s.insert(l, s.charAt(r));
						l++;
					} else if (s.charAt(l + 1) == s.charAt(r)) {
						s.insert(r + 1, s.charAt(l));
						r++;
					} else {
						System.out.println("NA");
						return;
					}
				}
				add = true;
			}
			l++;
			r--;
		}
		System.out.println(s);
	}

	public static void main(String[] args) {
		new Main_origin().run();
	}

	void debug(Object... o) {
		System.out.println(Arrays.deepToString(o));
	}

	void debug2(char[][] array) {
		for (int i = 0; i < array.length; i++) {
			for (int j = 0; j < array[i].length; j++) {
				System.out.print(array[i][j]);
			}
			System.out.println();
		}
	}

	boolean inner(int h, int w, int limH, int limW) {
		return 0 <= h && h < limH && 0 <= w && w < limW;
	}

	void swap(int[] x, int a, int b) {
		int tmp = x[a];
		x[a] = x[b];
		x[b] = tmp;
	}

	// find minimum i (a[i] >= border)
	int lower_bound(int a[], int border) {
		int l = -1;
		int r = a.length;
		while (r - l > 1) {
			int mid = (l + r) / 2;
			if (border <= a[mid]) {
				r = mid;
			} else {
				l = mid;
			}
		}
		// r = l + 1
		return r;
	}

	boolean palindrome(String s) {
		for (int i = 0; i < s.length() / 2; i++) {
			if (s.charAt(i) != s.charAt(s.length() - 1 - i)) {
				return false;
			}
		}
		return true;
	}

	class MyScanner {
		int nextInt() {
			try {
				int c = System.in.read();
				while (c != '-' && (c < '0' || '9' < c))
					c = System.in.read();
				if (c == '-')
					return -nextInt();
				int res = 0;
				do {
					res *= 10;
					res += c - '0';
					c = System.in.read();
				} while ('0' <= c && c <= '9');
				return res;
			} catch (Exception e) {
				return -1;
			}
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		String next() {
			try {
				StringBuilder res = new StringBuilder("");
				int c = System.in.read();
				while (Character.isWhitespace(c))
					c = System.in.read();
				do {
					res.append((char) c);
				} while (!Character.isWhitespace(c = System.in.read()));
				return res.toString();
			} catch (Exception e) {
				return null;
			}
		}

		int[] nextIntArray(int n) {
			int[] in = new int[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextInt();
			}
			return in;
		}

		int[][] nextInt2dArray(int n, int m) {
			int[][] in = new int[n][m];
			for (int i = 0; i < n; i++) {
				in[i] = nextIntArray(m);
			}
			return in;
		}

		double[] nextDoubleArray(int n) {
			double[] in = new double[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextDouble();
			}
			return in;
		}

		long[] nextLongArray(int n) {
			long[] in = new long[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextLong();
			}
			return in;
		}

		char[][] nextCharField(int n, int m) {
			char[][] in = new char[n][m];
			for (int i = 0; i < n; i++) {
				String s = sc.next();
				for (int j = 0; j < m; j++) {
					in[i][j] = s.charAt(j);
				}
			}
			return in;
		}
	}
}
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