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Envío 2201

Problema 0xc9 - Substring más corta con mínimo K caracteres diferentes

  • Autor: aebernalmunoz
  • Fecha: 2020-12-01 16:37:33 UTC (Hace alrededor de 4 años)
Caso # Resultado Tiempo Memoria
#1
Correcto
0.088 s 13 KBi
#2
Correcto
0.081 s 13 KBi
#3
Correcto
0.088 s 13 KBi
#4
Correcto
0.082 s 13 KBi
#5
Correcto
0.092 s 18 KBi
#6
Correcto
0.085 s 13 KBi
#7
Correcto
0.096 s 13 KBi
#8
Correcto
0.081 s 13 KBi
#9
Correcto
0.086 s 13 KBi
#10
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.078 s 13 KBi
#11
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.074 s 13 KBi
#12
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.098 s 13 KBi
#13
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.083 s 13 KBi
#14
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.088 s 14 KBi
#15
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.087 s 13 KBi
#16
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.083 s 14 KBi
#17
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.087 s 13 KBi
#18
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.081 s 13 KBi
#19
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.09 s 13 KBi
#20
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.075 s 13 KBi
#21
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.078 s 14 KBi
#22
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.081 s 13 KBi
#23
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.074 s 13 KBi
#24
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.08 s 13 KBi
#25
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.079 s 14 KBi
#26
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.083 s 13 KBi
#27
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.078 s 14 KBi
#28
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.09 s 13 KBi
#29
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.09 s 13 KBi
#30
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.08 s 14 KBi
#31
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.09 s 13 KBi
#32
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:35)
	at Main.main(Main.java:118)
0.093 s 13 KBi
Puntos totales: 29 / 100

Código

import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Map;
import java.util.Set;

class Main{
	static class Reader {
		final private int BUFFER_SIZE = 1 << 16;
		private DataInputStream din;
		private byte[] buffer;
		private int bufferPointer, bytesRead;

		public Reader() {
			din = new DataInputStream(System.in);
			buffer = new byte[BUFFER_SIZE];
			bufferPointer = bytesRead = 0;
		}

		public Reader(String file_name) throws IOException {
			din = new DataInputStream(new FileInputStream(file_name));
			buffer = new byte[BUFFER_SIZE];
			bufferPointer = bytesRead = 0;
		}

		public String readLine() throws IOException {
			byte[] buf = new byte[64]; // line length
			int cnt = 0, c;
			while ((c = read()) != -1) {
				if (c == '\n')
					break;
				buf[cnt++] = (byte) c;
			}
			return new String(buf, 0, cnt);
		}

		public int nextInt() throws IOException {
			int ret = 0;
			byte c = read();
			while (c <= ' ')
				c = read();
			boolean neg = (c == '-');
			if (neg)
				c = read();
			do {
				ret = ret * 10 + c - '0';
			} while ((c = read()) >= '0' && c <= '9');

			if (neg)
				return -ret;
			return ret;
		}

		public long nextLong() throws IOException {
			long ret = 0;
			byte c = read();
			while (c <= ' ')
				c = read();
			boolean neg = (c == '-');
			if (neg)
				c = read();
			do {
				ret = ret * 10 + c - '0';
			} while ((c = read()) >= '0' && c <= '9');
			if (neg)
				return -ret;
			return ret;
		}

		public double nextDouble() throws IOException {
			double ret = 0, div = 1;
			byte c = read();
			while (c <= ' ')
				c = read();
			boolean neg = (c == '-');
			if (neg)
				c = read();

			do {
				ret = ret * 10 + c - '0';
			} while ((c = read()) >= '0' && c <= '9');

			if (c == '.') {
				while ((c = read()) >= '0' && c <= '9') {
					ret += (c - '0') / (div *= 10);
				}
			}

			if (neg)
				return -ret;
			return ret;
		}

		private void fillBuffer() throws IOException {
			bytesRead = din.read(buffer, bufferPointer = 0, BUFFER_SIZE);
			if (bytesRead == -1)
				buffer[0] = -1;
		}

		private byte read() throws IOException {
			if (bufferPointer == bytesRead)
				fillBuffer();
			return buffer[bufferPointer++];
		}

		public void close() throws IOException {
			if (din == null)
				return;
			din.close();
		}
	}

	public static void main(String[] args) throws IOException {
		Reader sc = new Reader();
		String s = sc.readLine();
		int k = sc.nextInt();
		Map<Character, Integer> m = new HashMap<Character, Integer>();
		int current = 0;
		Character c;
		Integer in, min = Integer.MAX_VALUE;
		for (int i = 0; i < s.length(); i++) {
			c = s.charAt(i);
			in = m.get(c);
			if (in != null) {
				m.put(c, m.get(c) + 1);
			} else {
				m.put(c, 1);
			}
			while (m.size() >= k) {
				min = Math.min(min, 1 + i - current);
				c = s.charAt(current++);
				in = m.get(c);
				if (in != null) {
					m.put(c, in - 1);
					if (m.get(c) == 0) {
						m.remove(c);
					}
				}
			}
		}
		System.out.println(min != Integer.MAX_VALUE ? min : -1);
	}

}