Friday
July 25, 2014

Homework Help: Programming Logic

Posted by Tina on Sunday, April 29, 2012 at 2:51am.

Find bugs.

// The two senior class homerooms at Littleville High School
// are having a fundraising drive for the prom. Each time a student
// solicits a contribution, a record is created with the
// student's name and the value. Two files have been created for Homeroom A and Homeroom B.
// Each file is sorted in contribution value order from highest to lowest.
// This program merges the two files.
start
// Declarations
string roomAName
num roomAValue
string roomBName
num roomBValue

string bothFilesDone = "N"
string HIGHVALUE = "XXXXX"
InputFile roomAFile
InputFile roomBFile
OutputFile mergedFile
getReady()
while bothFilesDone = "N"
detailLoop()
endwhile
allDone()
stop

getReady()
open roomAFile "roomAFile.dat"
open roomBFile "roomBFile.dat"
open mergedFile "mergedFile.dat"
readA()
readA()
checkBoth()
return

readA()
input roomAName, roomAValue from roomAFile
if eof then
roomAValue = HIGHVALUE
endif
return

readB()
input roomBName, roomBValue from roomBFile
if eof then
roomBValue = roomAValue
endif
return

checkBoth()
if roomAValue = HIGHVALUE AND roomAValue = HIGHVALUE then
bothFilesDone = "Y"
endif
return

detailLoop()
if roomAName > roomBName then
output roomBName, roomBValue to mergedFile
readB()
else
output roomAName, roomAValue to mergedFile
readA()
endif
checkBoth()
return

allDone()
close roomAFile
close roomBFile
close mergedFile
return

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