29 lines
2.5 KiB
MQL5
29 lines
2.5 KiB
MQL5
//+------------------------------------------------------------------+
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//| sort_string_array.mq5 |
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//| Copyright © 2018, Amr Ali |
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//| https://www.mql5.com/en/users/amrali |
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//+------------------------------------------------------------------+
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#include "Introsort.mqh"
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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// Sorting string array (ascending order - default)
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string stringArray[] = {"cherry", "apple", "date", "banana"};
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Introsort(stringArray);
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ArrayPrint(stringArray);
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// Define a pointer type to custom Less function.
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typedef bool (*pDescending)(string left, string right);
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// Sorting string array (descending order)
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Introsort(stringArray, (pDescending)Descending);
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ArrayPrint(stringArray);
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}
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//+------------------------------------------------------------------+
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// Custom Less function to sort in descending order.
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bool Descending(string left, string right)
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{ return left > right; }
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