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Envío 1100

Problema 0xf2 - Partir un arreglo grande en 2

  • Autor: aebernalmunoz
  • Fecha: 2020-10-10 21:19:18 UTC (Hace más de 3 años)
Caso # Resultado Tiempo Memoria
#1
Error de compilación
                      Compilation time limit exceeded.
                    
#2
Error de compilación
                      Compilation time limit exceeded.
                    
#3
Error de compilación
                      Compilation time limit exceeded.
                    
#4
Error de compilación
                      Compilation time limit exceeded.
                    
#5
Error de compilación
                      Compilation time limit exceeded.
                    
#6
Error de compilación
                      Compilation time limit exceeded.
                    
#7
Error de compilación
                      Compilation time limit exceeded.
                    
#8
Error de compilación
                      Compilation time limit exceeded.
                    
#9
Error de compilación
                      Compilation time limit exceeded.
                    
#10
Error de compilación
                      Compilation time limit exceeded.
                    
#11
Error de compilación
                      Compilation time limit exceeded.
                    
#12
Error de compilación
                      Compilation time limit exceeded.
                    
#13
Error de compilación
                      Compilation time limit exceeded.
                    
#14
Correcto
0.138 s 14 KBi
#15
Correcto
0.113 s 50 KBi
#16
Error de compilación
                      Compilation time limit exceeded.
                    
#17
Correcto
0.131 s 14 KBi
#18
Correcto
0.13 s 14 KBi
#19
Correcto
0.167 s 22 KBi
#20
Correcto
0.199 s 31 KBi
Puntos totales: 30 / 100

Código

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

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 s = new Reader();
		int n;
		long r = 0, l = 0;
		Long A[] = new Long[500000];
		boolean flag = false;
		n = s.nextInt();

		for (int i = 0; i < n; i++) {
			A[i] = s.nextLong();
			r += A[i];
		}

		for (int i = 0; i < n; i++) {
			if (l > 0 && r < 0) {
				System.out.println(i);
				flag = true;
				break;
			}
			l += A[i];
			r -= A[i];
		}
		if (!flag) {
			System.out.println("Impossible");
		}

	}

}