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  1.  
  2. import java.util.*;
  3. import java.lang.*;
  4. import java.io.*;
  5.  
  6.  
  7. class Main
  8. {
  9.  
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int vertSize;
  13. 		int horSize;
  14.     	int firstNumber;
  15.     	int lastNumber;
  16.     	Scanner in = new Scanner(System.in);
  17.     	horSize = in.nextInt();
  18. 		vertSize = in.nextInt();
  19. 		firstNumber = in.nextInt();
  20. 		lastNumber= in.nextInt();
  21.     	if (firstNumber > lastNumber){
  22.     		int C = firstNumber;
  23. 			firstNumber = lastNumber;
  24. 			lastNumber = C;
  25.     	} 
  26.     //вычисление координат
  27.     	int firstNumberx = (firstNumber - 1) % (2 * horSize) + 1;
  28.     	int firstNumbery = (firstNumber - 1) / (2 * horSize) + 1;
  29.     	int lastNumberx = (lastNumber - 1) % (2 * horSize) + 1;
  30.     	int lastNumbery = (lastNumber - 1) / (2 * horSize) + 1;
  31.     //создание и задание размера для статического массива
  32.     	int[] Search= new int[2 * horSize];
  33.     	Search[firstNumberx - 1] = 0;
  34.     	int step = 1;
  35.     	for (int i = firstNumberx - 2; i >= 0; i--){
  36.         	Search[i] = step++;
  37.     	}
  38.     	step = 1;
  39.     	for (int i = firstNumberx; i < 2 * horSize; i++){
  40.         	Search[i] = step++;
  41.     	}
  42.     	//сравнение по у
  43.     	for (int j = firstNumbery; j < lastNumbery; j++) {
  44.         	for (int i = 1; i < 2 * horSize; i += 2) {
  45.             	Search[i - 1] = Search[i] + 1;
  46.             	Search[i] += 2;
  47.             //определние значения на предпоследнем элементе
  48.             	if (((i - 2) >= 0) && (Search[i]<Search[i - 2])){
  49.                 	Search[i - 2] = Search[i];
  50.             	}
  51.         	}
  52.     	}
  53.     System.out.println(Search[lastNumberx - 1]);
  54. 	}
  55. }
Success #stdin #stdout 0.07s 2184192KB
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https://ideone.com/Azk6Mi
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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