結果

問題 No.927 Second Permutation
ユーザー uwiuwi
提出日時 2019-11-22 21:26:27
言語 Java21
(openjdk 21)
結果
AC  
実行時間 98 ms / 2,000 ms
コード長 3,660 bytes
コンパイル時間 3,476 ms
コンパイル使用メモリ 87,000 KB
実行使用メモリ 39,348 KB
最終ジャッジ日時 2024-04-19 10:29:37
合計ジャッジ時間 6,481 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
このコードへのチャレンジ
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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 46 ms
36,416 KB
testcase_01 AC 45 ms
36,744 KB
testcase_02 AC 47 ms
36,672 KB
testcase_03 AC 47 ms
36,848 KB
testcase_04 AC 46 ms
36,992 KB
testcase_05 AC 46 ms
36,700 KB
testcase_06 AC 47 ms
36,552 KB
testcase_07 AC 46 ms
36,800 KB
testcase_08 AC 81 ms
38,024 KB
testcase_09 AC 50 ms
36,928 KB
testcase_10 AC 90 ms
38,720 KB
testcase_11 AC 94 ms
39,144 KB
testcase_12 AC 72 ms
38,076 KB
testcase_13 AC 51 ms
36,716 KB
testcase_14 AC 86 ms
38,332 KB
testcase_15 AC 71 ms
38,140 KB
testcase_16 AC 94 ms
39,252 KB
testcase_17 AC 94 ms
39,348 KB
testcase_18 AC 94 ms
39,164 KB
testcase_19 AC 93 ms
38,984 KB
testcase_20 AC 95 ms
38,900 KB
testcase_21 AC 98 ms
39,164 KB
testcase_22 AC 96 ms
38,856 KB
testcase_23 AC 96 ms
39,220 KB
testcase_24 AC 83 ms
38,404 KB
testcase_25 AC 81 ms
37,832 KB
testcase_26 AC 76 ms
37,860 KB
testcase_27 AC 75 ms
37,788 KB
testcase_28 AC 87 ms
38,336 KB
testcase_29 AC 84 ms
38,296 KB
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ソースコード

diff # 

package contest191122;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class B {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		char[] s = ns().toCharArray();
		int n = s.length;
		int[] f = new int[10];
		for(char c : s) {
			f[c-'0']++;
		}
		int num = 0;
		int who = 0;
		for(int i = 1;i <= 9;i++) {
			if(f[i] > 0) {
				num++;
				who = i;
			}
		}
		if(num == 0 || num == 1 && (f[0] == 0 || f[who] == 1)) {
			out.println(-1);
		}else {
			char[] ret = new char[n];
			int p = 0;
			for(int i = 9;i >= 0;i--) {
				while(f[i] > 0) {
					ret[p++] = (char)('0'+i);
					f[i]--;
				}
			}
			for(int i = n-1;i >= 0;i--) {
				if(ret[i] != ret[n-1]) {
					char t = ret[i]; ret[i] = ret[i+1]; ret[i+1] = t;
					break;
				}
			}
			out.println(new String(ret));
		}
	}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new B().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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