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Envío 2094

Problema 0x43 - Encontrar el borde más largo de una string

  • Autor: aebernalmunoz
  • Fecha: 2020-11-22 08:49:23 UTC (Hace más de 3 años)
Caso # Resultado Tiempo Memoria
#1
Correcto
0.082 s 11 KBi
#2
Correcto
0.09 s 11 KBi
#3
Correcto
0.079 s 11 KBi
#4
Correcto
0.086 s 11 KBi
#5
Correcto
0.101 s 11 KBi
#6
Correcto
0.092 s 11 KBi
#7
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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.087 s 11 KBi
#8
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.083 s 11 KBi
#9
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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.085 s 11 KBi
#10
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.095 s 11 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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.093 s 11 KBi
#12
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.088 s 11 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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.094 s 11 KBi
#14
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.087 s 11 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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.089 s 11 KBi
#16
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.088 s 11 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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.094 s 11 KBi
#18
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.103 s 11 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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.083 s 11 KBi
#20
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.092 s 11 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$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.094 s 11 KBi
#22
Error en tiempo de ejecución (NZEC) 
Exited with error status 1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 64 out of bounds for length 64
	at Main$Reader.readLine(Main.java:30)
	at Main.main(Main.java:113)
0.096 s 11 KBi
Puntos totales: 28 / 100

Código

import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;

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();
		sc.close();
		int n = s.length();
		int arr[] = new int[n];
		int pos = 0;
		for (int i = 1; i < n; i++) {
			while (s.charAt(i) != s.charAt(pos) && pos > 0) {
				pos = arr[pos - 1];
			}
			if (s.charAt(i) == s.charAt(pos)) {
				pos++;
			}
			arr[i] = pos;
		}
		System.out.println(arr[n - 1]);

	}
}