C语言全部题目与答案解析

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1、C语言全部题目及答案Exercise1:ProgrammingEnvironmentandBasicInput/Output1.Writeaprogramthatprints“Thisismyfirstprogram!”onthescreen.(a)Savethisprogramontoyourowndiskwiththenameofe2-1a;(b)RunthisprogramwithoutopeningTurboC;(c)Modifythisprogramtoprint“Thisismysecondprogram!”,thensaveitase2-

2、1b.Pleasedonotoverwritethefirstprogram.2.Writeaprogramthatprintsthenumber1to4onthesameline.Writetheprogramusingthefollowingmethods:(a)Usingfour“printf”statements.(b)Usingone“printf”statementwithnoconversionspecifier(i.e.no‘%’).(c)Usingone“printf”statementwithfourconversionspecif

3、iers3．(a)Writeaprogramthatcalculatesanddisplaysthenumberofminutesin15days.(b)Writeaprogramthatcalculatesanddisplayshowmanyhours180minutesequalto.(c)(Optional)Howabout174minutes?ANSWERS:#includeintmain(){printf("Thisismyfirstprogram!");return0;}#includeintmain()

4、{printf("Thisismysecondprogram!");#includeintmain(){printf("1");printf("2");printf("3");printf("4");return0;}#includeintmain(){printf("1234");#includeintmain(){floatdays,minutes;days=15;minutes=days*24*60;printf("Thenumberofminutesin15daysare%f",minu

5、tes);return0;}#includeintmain()return0;}return0;}#includeintmain(){printf("%d%d%d%d",1,2,3,4);return0;}{floatminutes,hours;minutes=180;hours=minutes/60;printf("180minutesequalto%fhours",hours);return0;}#includeintmain(){floatminutes,hours;minutes=174

6、;hours=minutes/60;printf("174minutesequalto%fhours",hours);return0;}Exercise2:DataTypesandArithmeticOperations1.Youpurchasealaptopcomputerfor$889.Thesalestaxrateis6percent.WriteandexecuteaCprogramthatcalculatesanddisplaysthetotalpurchaseprice(netprice+salestax).2．Writeaprogram

7、thatreadsintheradiusofacircleandprintsthecircle’sdiameter,circumferenceandarea.Usethevalue3.14159for“p”.3．Writeaprogramthatreadsintwonumbers:anaccountbalanceandanannualinterestrateexpressedasapercentage.Yourprogramshouldthendisplaythenewbalanceafterayear.Therearenodepositsorwith

8、draws–justtheinterestpayment.Yourprogramshouldb