50 lines
1.5 KiB
C#
50 lines
1.5 KiB
C#
/*
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* C# Program to Search an element with Array Indices
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*/
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using System;
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class ArrayBinarySearch
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{
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public static void Main()
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{
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int[] ints = { 0, 10, 100, 1000, 1000000 };
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Console.WriteLine("Array indices and elements: ");
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for (int i = 0; i < ints.Length; i++)
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{
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Console.Write("[{0}]={1, -5}", i, ints[i]);
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}
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Console.WriteLine();
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FindObject(ints, 25);
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FindObject(ints, 1000);
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FindObject(ints, 2000000);
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Console.ReadLine();
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}
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public static void FindObject(Array array, Object o)
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{
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int index = Array.BinarySearch(array, 0, array.Length, o);
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Console.WriteLine();
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if (index > 0)
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{
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Console.WriteLine("Object: {0} found at [{1}]", o, index);
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}
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else if (~index == array.Length)
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{
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Console.WriteLine("Object: {0} not found. "
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+ "No array object has a greater value.", o);
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Console.WriteLine();
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}
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else
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{
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Console.WriteLine("Object: {0} not found. "
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+ "Next larger object found at [{1}].", o, ~index);
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}
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}
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}
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/*
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Array indices and elements:
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[0]=0 [1]=10 [2]=100 [3]=1000 [4]=1000000
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Object: 25 not found. Next larger object found at [2].
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Object: 1000 found at [3]
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Object: 2000000 not found. No array object has a greater value. |