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  1. using static System.Console;
  2.  
  3. public class Program {
  4. 	public static void Main() {
  5. 		string[] linha = ReadLine().Split(' ');
  6. 		int linhas;
  7. 		if (!int.TryParse(linha[0], out linhas)) return;
  8. 		int colunas;
  9. 		if (!int.TryParse(linha[1], out colunas)) return;
  10. 		int[,] numeros = new int[linhas, colunas];
  11. 		for (int i = 0; i < linhas; i++) {
  12. 			string[] vet = ReadLine().Split(' ');
  13. 			for (int j = 0; j < colunas; j++) {
  14. 				int valor;
  15. 				if (!int.TryParse(vet[j], out valor)) return;
  16. 				numeros[i, j] = valor;
  17. 			}
  18. 		}
  19. 		string[] localizacao = new string[4];
  20. 		int num;
  21. 		if (!int.TryParse(ReadLine(), out num)) return;
  22. 		for (int i = 0; i < linhas; i++) {
  23. 			for (int j = 0; j < colunas; j++) {
  24. 				if (numeros[i, j] == num) {
  25. 					localizacao[0] = j == 0 ? "" : numeros[i, j - 1].ToString();
  26. 					localizacao[1] = j == numeros.GetUpperBound(1) ? "" : numeros[i, j + 1].ToString();
  27. 					localizacao[2] = i == 0 ? "" : numeros[i - 1, j].ToString();
  28. 					localizacao[3] = i == numeros.GetUpperBound(0) ? "" : numeros[i + 1, j].ToString();
  29. 				}
  30. 			}
  31. 		}
  32. 		WriteLine("Esquerda: " + localizacao[0]);
  33. 		WriteLine("Direita: " + localizacao[1]);
  34. 		WriteLine("Acima: " + localizacao[2]);
  35. 		WriteLine("Abaixo: " + localizacao[3]);
  36.     }
  37. }
  38.  
  39. //https://pt.stackoverflow.com/q/326139/101
Runtime error #stdin #stdout #stderr 0.02s 16128KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Unhandled Exception:
System.NullReferenceException: Object reference not set to an instance of an object
  at Program.Main () [0x00005] in <1d39f3724830480aa58b61eda48d1b0c>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object
  at Program.Main () [0x00005] in <1d39f3724830480aa58b61eda48d1b0c>:0
https://ideone.com/TL9mZX
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
public

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