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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		int[] massivIntov = {1,2,3};
  10. 		int elementInt = 2;
  11. 		System.out.println(najtiElementVMassive(massivIntov,elementInt));
  12.  
  13. 		double[] massivDoublov = {1,2,3};
  14. 		double elementDouble = 2;
  15. 		System.out.println(najtiElementVMassive(massivDoublov,elementDouble));
  16.  
  17. 		String[] massivStringov = {"odin","dva","tri"};
  18. 		String elementString = "dva";
  19. 		System.out.println(najtiElementVMassive(massivStringov,elementString));
  20.  
  21. 		Integer[] massivIntegerov = {new Integer (1001),new Integer (1002),new Integer (1003)};
  22. 		Integer elementInteger = new Integer (1002);
  23. 		System.out.println(najtiElementVMassive(massivIntegerov,elementInteger));
  24.  
  25. 		// !!!
  26. 		int[][] massivMassivIntov = {{1,2,3},{2,3,4},{3,4,5}};
  27. 		int elementMassivIntov[] = {2,3,4};
  28. 		System.out.println(najtiElementVMassive(massivMassivIntov,elementMassivIntov));
  29.  
  30. 		String[][][] massivMassivMassivStringov = {{{"a"},{"b"}},{{"c","d"}},{{"e","f"}}};
  31. 		String[][] elementMassivMassivStringov = {{"c","d"}};
  32. 		System.out.println(najtiElementVMassive(massivMassivMassivStringov,elementMassivMassivStringov));
  33.  
  34. 		String[][] oshibochniiElementMassivMassivStringov = {{"c","e","z"}};
  35. 		System.out.println(najtiElementVMassive(massivMassivMassivStringov,oshibochniiElementMassivMassivStringov));
  36. 	}
  37.  
  38.  
  39.  
  40. 	// -1 esli NotFound, snachala massiv potom element
  41. 	static int najtiElementVMassive(Object massiv,Object element){
  42. 		if(massiv instanceof int[]) {
  43. 			for(int i=0; i<((int[])massiv).length; ++i)
  44. 				if(((int[])massiv)[i]==(int)element)
  45. 					return i;
  46. 		} else if(massiv instanceof byte[]) {
  47. 			for(int i=0; i<((byte[])massiv).length; ++i)
  48. 				if(((byte[])massiv)[i]==(byte)element)
  49. 					return i;
  50. 		} else if(massiv instanceof boolean[]) {
  51. 			for(int i=0; i<((boolean[])massiv).length; ++i)
  52. 				if(((boolean[])massiv)[i]==(boolean)element)
  53. 					return i;
  54. 		} else if(massiv instanceof char[]) {
  55. 			for(int i=0; i<((char[])massiv).length; ++i)
  56. 				if(((char[])massiv)[i]==(char)element)
  57. 					return i;
  58. 		} else if(massiv instanceof float[]) {
  59. 			for(int i=0; i<((float[])massiv).length; ++i)
  60. 				if(((float[])massiv)[i]==(float)element)
  61. 					return i;
  62. 		} else if(massiv instanceof double[]) {
  63. 			for(int i=0; i<((double[])massiv).length; ++i)
  64. 				if(((double[])massiv)[i]==(double)element)
  65. 					return i;
  66. 		} else if(massiv instanceof short[]) {
  67. 			for(int i=0; i<((short[])massiv).length; ++i)
  68. 				if(((short[])massiv)[i]==(short)element)
  69. 					return i;
  70. 		} else if(massiv instanceof long[]) {
  71. 			for(int i=0; i<((long[])massiv).length; ++i)
  72. 				if(((long[])massiv)[i]==(long)element)
  73. 					return i;
  74. 		} else {
  75. 			try {
  76. 				for(int i=0; i<((Object[])massiv).length; ++i)
  77. 					if(sravnitMassivi(((Object[])massiv)[i],element))
  78. 						return i;
  79. 			} catch (Exception e) {
  80. 				for(int i=0; i<((Object[])massiv).length; ++i)
  81. 					if((((Object[])massiv)[i]).equals(element))
  82. 						return i;
  83. 			}
  84. 		}
  85.  
  86. 		return -1;
  87. 	}
  88.  
  89.  
  90. 	static boolean sravnitMassivi(Object massiv1,Object massiv2) {
  91. 		try {
  92. 			if((((Object[])massiv1)).length!=(((Object[])massiv1)).length) return false;
  93. 			boolean ravni=true;
  94. 			for(int i=0; i<(((Object[])massiv1)).length; ++i) 
  95. 				ravni=ravni&&sravnitMassivi((((Object[])massiv1))[i],(((Object[])massiv2))[i]);
  96. 			return ravni;
  97. 		} catch (Exception e) {
  98. 			if(massiv1 instanceof int[]) {
  99. 				return Arrays.equals((int[])massiv1,(int[])massiv2);
  100. 			} else if(massiv1 instanceof byte[]) {
  101. 				return Arrays.equals((byte[])massiv1,(byte[])massiv2);
  102. 			} else if(massiv1 instanceof boolean[]) {
  103. 				return Arrays.equals((boolean[])massiv1,(boolean[])massiv2);
  104. 			} else if(massiv1 instanceof char[]) {
  105. 				return Arrays.equals((char[])massiv1,(char[])massiv2);
  106. 			} else if(massiv1 instanceof float[]) {
  107. 				return Arrays.equals((float[])massiv1,(float[])massiv2);
  108. 			} else if(massiv1 instanceof double[]) {
  109. 				return Arrays.equals((double[])massiv1,(double[])massiv2);
  110. 			} else if(massiv1 instanceof short[]) {
  111. 				return Arrays.equals((short[])massiv1,(short[])massiv2);
  112. 			} else if(massiv1 instanceof long[]) {
  113. 				return Arrays.equals((long[])massiv1,(long[])massiv2);
  114. 			} else {
  115. 				return massiv1.equals(massiv2);
  116. 			}
  117. 		}
  118. 	}
  119. }
Success #stdin #stdout 0.1s 32524KB
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https://ideone.com/xtOA7U
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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