C语言大作业题目.doc

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1、Coursework2016DeadLineJune27th Writeaprogramthatwillhelpelementaryschoolpupilspracticemath.a)      Theprogramwillfirstasktheuserforhis/herIDnumber(includingtwoletters&4digits),e.g.PleaseinputyourfourdigitIDno: AB1234       Theprogramshouldhaveinputvalidation.Thentheprogrampromptsthree

2、choices:(1)   Startatest(2)   Checkscores(3)   Exit Test:theprogramwillgive10mathproblems,e.g.: 12*  3= 3648+32= 80…56/28= 2 Note:i)Pupilswillanswereachproblembeforethenextoneisgiven. ii)Theproblemsshouldincludeaddition,subtraction,multiplicationanddivision.Theyarerandomlygenerated. i

3、ii)Randomlygeneratesnumbersforproblems.However,mustensurethatboththeproblemandtheresultarenolargerthantwodigits.Theproblemandtheresultshouldbegreaterthanorequaltozero.Thedivisorcannotbezero. iv)Aftertenproblemsarefinished,recordthetimeusedbythestudenttodothetenproblems. v)Givesascoret

4、oeachstudent.Savesthisstudent’sID,his/herscoreandthetimeusedintoafilenamed‘record.txt’. vi)Printthefollowinginformationonthescreen:Prob.

5、CorrectAnsw. 

6、 UrAnsw c)      Checkscores:Searchesthefile‘record.txt’andlistsallthehistoricalscoresforthisstudent,e.g.: Yourpreviousrecordsare:AB123

7、4  80  150secondsAB1234  50  182secondsAB1234  90  98seconds  Youwillbemarkedbasedonyourprogram’s:(1)    Correctiveness(2)    Readability(3)    Robustness(4)    Conciseness