結果

問題 No.238 Mr. K's Another Gift
ユーザー suiginginsuigingin
提出日時 2015-07-06 00:16:21
言語 Java21
(openjdk 21)
結果
AC  
実行時間 192 ms / 2,000 ms
コード長 3,567 bytes
コンパイル時間 6,066 ms
コンパイル使用メモリ 75,836 KB
実行使用メモリ 56,024 KB
最終ジャッジ日時 2023-09-22 09:01:34
合計ジャッジ時間 15,015 ms
ジャッジサーバーID
(参考情報)
judge15 / judge14
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 124 ms
55,476 KB
testcase_01 AC 126 ms
55,568 KB
testcase_02 AC 127 ms
55,692 KB
testcase_03 AC 130 ms
55,288 KB
testcase_04 AC 144 ms
55,508 KB
testcase_05 AC 171 ms
55,708 KB
testcase_06 AC 172 ms
55,852 KB
testcase_07 AC 178 ms
55,516 KB
testcase_08 AC 179 ms
55,904 KB
testcase_09 AC 191 ms
55,600 KB
testcase_10 AC 123 ms
55,252 KB
testcase_11 AC 124 ms
55,228 KB
testcase_12 AC 125 ms
55,428 KB
testcase_13 AC 128 ms
55,888 KB
testcase_14 AC 163 ms
55,772 KB
testcase_15 AC 181 ms
55,604 KB
testcase_16 AC 177 ms
55,860 KB
testcase_17 AC 162 ms
55,768 KB
testcase_18 AC 168 ms
55,632 KB
testcase_19 AC 161 ms
55,684 KB
testcase_20 AC 125 ms
55,504 KB
testcase_21 AC 123 ms
55,628 KB
testcase_22 AC 121 ms
55,500 KB
testcase_23 AC 129 ms
55,528 KB
testcase_24 AC 149 ms
55,532 KB
testcase_25 AC 166 ms
55,728 KB
testcase_26 AC 173 ms
55,512 KB
testcase_27 AC 186 ms
55,600 KB
testcase_28 AC 172 ms
53,688 KB
testcase_29 AC 192 ms
55,684 KB
testcase_30 AC 126 ms
55,500 KB
testcase_31 AC 124 ms
55,592 KB
testcase_32 AC 131 ms
55,692 KB
testcase_33 AC 147 ms
55,804 KB
testcase_34 AC 164 ms
55,340 KB
testcase_35 AC 173 ms
56,024 KB
testcase_36 AC 165 ms
55,332 KB
testcase_37 AC 171 ms
55,340 KB
testcase_38 AC 165 ms
53,556 KB
testcase_39 AC 171 ms
55,688 KB
testcase_40 AC 123 ms
55,376 KB
testcase_41 AC 124 ms
55,624 KB
testcase_42 AC 124 ms
55,660 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())) {
			s.insert(s.length() / 2, s.charAt(s.length() / 2));
			System.out.println(s);
			return;
		}
		int l = 0;
		int r = s.length() - 1;
		while (l <= r) {
			if (s.charAt(l) != s.charAt(r)) {
				StringBuilder s1 = new StringBuilder(s);
				StringBuilder s2 = new StringBuilder(s);
				s1.insert(l, s.charAt(r));
				s2.insert(r + 1, s.charAt(l));
				if (palindrome(s1.toString()))      System.out.println(s1);
				else if (palindrome(s2.toString())) System.out.println(s2);
				else                                System.out.println("NA");
				return;
			}
			l++;
			r--;
		}
	}

	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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