Submission #162937

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Source Code Expand

using System;
using System.Collections;

class ABC007C
{
  static int Main(string[] args)
  {
    string[] rc = Console.ReadLine().Split();
    int R = int.Parse(rc[0]);
    int C = int.Parse(rc[1]);
    string[] sysx = Console.ReadLine().Split();
    int sy = int.Parse(sysx[0]);
    int sx = int.Parse(sysx[1]);
    string[] gygx = Console.ReadLine().Split();
    int gy = int.Parse(gygx[0]);
    int gx = int.Parse(gygx[1]);
    string[][] c = new string[R][];
    for(int i = 0; i < R; i++){
      string[] raw = Console.ReadLine().Split();
      c[i] = raw;
    }

    string empty = ".";
    string wall = "#";
    int[,] cost = new int[R, C];
    for(int i = 0; i < R; i++){
      for(int j = 0; j < C; j++){
        if(c[i][j] == wall)
          cost[i, j] = -1;
      }
    }
    Queue qy = new Queue();
    qy.Enqueue(sy);
    Queue qx = new Queue();
    qx.Enqueue(sx);

    for(int next_cost = 1; next_cost <= (R - 2) * (C - 2); next_cost++){
      for(int q = 0; q < qy.Count; q++){
        int y = qy.Dequeue();
        int x = qx.Dequeue();
        if(cost[y - 1, x] == 0){
          cost[y - 1, x] = next_cost;
          qy.Enqueue(y - 1);
          qx.Enqueue(x);
        }
        if(cost[y, x - 1] == 0){
          cost[y, x - 1] = next_cost;
          qy.Enqueue(y);
          qx.Enqueue(x - 1);
        }
        if(cost[y + 1, x] == 0){
          cost[y + 1, x] = next_cost;
          qy.Enqueue(y + 1);
          qx.Enqueue(x);
        }
        if(cost[y, x + 1] == 0){
          cost[y, x + 1] = next_cost;
          qy.Enqueue(y);
          qx.Enqueue(x + 1);
        }
      }
    }
    int goal_cost = cost[gy, gx];
    Console.WriteLine(goal_cost);

    return 0;
  }
}

Submission Info

Compile Error

./Main.cs(39,13): error CS0266: Cannot implicitly convert type `object' to `int'. An explicit conversion exists (are you missing a cast?)
./Main.cs(40,13): error CS0266: Cannot implicitly convert type `object' to `int'. An explicit conversion exists (are you missing a cast?)