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  1.  
  2. import java.io.*;
  3.  
  4. public class Main {
  5.  
  6.     static class EntradaRapida {
  7.         private final BufferedInputStream flujoEntrada =
  8.             new BufferedInputStream(System.in);
  9.  
  10.         private final byte[] buffer = new byte[1 << 16];
  11.         private int indice = 0;
  12.         private int limite = 0;
  13.  
  14.         private int leer() throws IOException {
  15.             if (indice >= limite) {
  16.                 limite = flujoEntrada.read(buffer);
  17.                 indice = 0;
  18.  
  19.                 if (limite <= 0) return -1;
  20.             }
  21.  
  22.             return buffer[indice++];
  23.         }
  24.  
  25.         int leerEntero() throws IOException {
  26.             int caracter;
  27.  
  28.             do {
  29.                 caracter = leer();
  30.  
  31.                 if (caracter == -1) return -1;
  32.  
  33.             } while (caracter <= 32);
  34.  
  35.             int valor = 0;
  36.  
  37.             while (caracter > 32) {
  38.                 valor = valor * 10 + caracter - '0';
  39.                 caracter = leer();
  40.             }
  41.  
  42.             return valor;
  43.         }
  44.     }
  45.  
  46.     static int contarVecinos(int fila, int columna,
  47.                              int filas, int columnas) {
  48.  
  49.         int cantidad = 4;
  50.  
  51.         if (fila == 1 || fila == filas) {
  52.             cantidad--;
  53.         }
  54.  
  55.         if (columna == 1 || columna == columnas) {
  56.             cantidad--;
  57.         }
  58.  
  59.         return cantidad;
  60.     }
  61.  
  62.     public static void main(String[] args) throws IOException {
  63.  
  64.         EntradaRapida lector = new EntradaRapida();
  65.  
  66.         int cantCasos = lector.leerEntero();
  67.  
  68.         if (cantCasos == -1) return;
  69.  
  70.         StringBuilder resultado = new StringBuilder();
  71.  
  72.         for (int caso = 0; caso < cantCasos; caso++) {
  73.  
  74.             int filas = lector.leerEntero();
  75.             int columnas = lector.leerEntero();
  76.  
  77.             int filaInicio = lector.leerEntero();
  78.             int colInicio = lector.leerEntero();
  79.  
  80.             int filaFin = lector.leerEntero();
  81.             int colFin = lector.leerEntero();
  82.  
  83.             int vecinosInicio = contarVecinos(
  84.                 filaInicio, colInicio, filas, columnas
  85.             );
  86.  
  87.             int vecinosFin = contarVecinos(
  88.                 filaFin, colFin, filas, columnas
  89.             );
  90.  
  91.             int minObstaculos = Math.min(
  92.                 vecinosInicio, vecinosFin
  93.             );
  94.  
  95.             resultado.append(minObstaculos).append('\n');
  96.         }
  97.  
  98.         System.out.print(resultado);
  99.     }
  100. }
  101.  
Success #stdin #stdout 0.07s 54740KB
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https://ideone.com/XshQY9
language:
Java (12.0.1)
created:
7 hours ago
visibility:
public

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