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CHECK.BAS
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BASIC Source File
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1987-09-23
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2KB
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61 lines
DIM Amount(1 TO 100)
CONST FALSE = 0, TRUE = NOT FALSE
' Get account's starting balance:
CLS
INPUT "Type starting balance, then press <ENTER>: ", Balance
' Get transactions. Continue accepting input until the
' input is zero for a transaction, or until 100
' transactions have been entered:
FOR TransacNum% = 1 TO 100
PRINT TransacNum%;
PRINT ") Enter transaction amount (0 to end): ";
INPUT "", Amount(TransacNum%)
IF Amount(TransacNum%) = 0 THEN
TransacNum% = TransacNum% - 1
EXIT FOR
END IF
NEXT
' Sort transactions in ascending order,
' using a "bubble sort":
Limit% = TransacNum%
DO
Swaps% = FALSE
FOR I% = 1 TO (Limit% - 1)
' If two adjacent elements are out of order, switch
' those elements:
IF Amount(I%) < Amount(I% + 1) THEN
SWAP Amount(I%), Amount(I% + 1)
Swaps% = I%
END IF
NEXT I%
' Sort on next pass only to where the last switch was made:
IF Swaps% THEN Limit% = Swaps%
' Sort until no elements are exchanged:
LOOP WHILE Swaps%
' Print the sorted transaction array. If a transaction
' is greater than zero, print it as a "CREDIT"; if a
' transaction is less than zero, print it as a "DEBIT":
FOR I% = 1 TO TransacNum%
IF Amount(I%) > 0 THEN
PRINT USING "CREDIT: $$#####.##"; Amount(I%)
ELSEIF Amount(I%) < 0 THEN
PRINT USING "DEBIT: $$#####.##"; Amount(I%)
END IF
' Update balance:
Balance = Balance + Amount(I%)
NEXT I%
' Print the final balance:
PRINT
PRINT "--------------------------"
PRINT USING "Final Total: $$######.##"; Balance
END