Description: Known to exist in the document IN.DAT in 100 sales records, sales records for each product by the product code dm (character 4), the product name mc (character 10), unit dj (integer), the number of sl (integer), the amount of je (long integer) of five parts. Where: Amount = Price* Quantity is calculated. Function ReadDat () is to read the 100 sales recorded and credited to sell in the array structure. Prepare function SortDat (), its functional requirements: from small to large by product name arranged, if the product name equivalent, according to the amount of small to large to be ranked, ordered the end result still sell an array of deposit structure, the last call to function WriteDat ( ) to the output to a file OUT5.DAT in.
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4.c
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