C语言全部题目及答案Exercise1:ProgrammingEnvironmentandBasicInput/OutputWriteaprogramthatprints“Thisismyfirstprogram!”onthescreen、Savethisprogramontoyourowndiskwiththenameofe2-1a;RunthisprogramwithoutopeningTurboC;Modifythisprogramtoprint“Thisismysecondprogram!”,thensaveitase2-1b、Pleasedonotoverwritethefirstprogram、Writeaprogramthatprintsthenumber1to4onthesameline、Writetheprogramusingthefollowingmethods:Usingfour“printf”statements、Usingone“printf”statementwithnoconversionspecifier(i、e、no‘%’)、Usingone“printf”statementwithfourconversionspecifiers3.(a)Writeaprogramthatcalculatesanddisplaysthenumberofminutesin15days、(b)Writeaprogramthatcalculatesanddisplayshowmanyhours180minutesequalto、(c)(Optional)Howabout174minutes?ANSWERS:#include<stdio、h>intmain(){printf("Thisismyfirstprogram!");return0;}#include<stdio、h>intmain(){printf("Thisismysecondprogram!");return0;}#include<stdio、h>intmain(){printf("1");printf("2");printf("3");printf("4");return0;}#include<stdio、h>intmain(){printf("1234");return0;}#include<stdio、h>intmain(){printf("%d%d%d%d",1,2,3,4);return0;}#include<stdio、h>intmain(){floatdays,minutes;days=15;minutes=days*24*60;printf("Thenumberofminutesin15daysare%f\n",minutes);return0;}#include<stdio、h>intmain(){floatminutes,hours;minutes=180;hours=minutes/60;printf("180minutesequalto%fhours\n",hours);return0;}#include<stdio、h>intmain(){floatminutes,hours;minutes=174;hours=minutes/60;printf("174minutesequalto%fhours\n",hours);return0;}Exercise2:DataTypesandArithmeticOperations1、Youpurchasealaptopputerfor$889、Thesalestaxrateis6percent、WriteandexecuteaCprogramthatcalculatesanddisplaysthetotalpurchaseprice(netprice+salestax)、2.Writeaprogramthatreadsintheradiusofacircleandprintsthecircle’sdiameter,circumferenceandarea、Usethevalue3、14159for“”、3.Writeaprogramthatreadsintwonumbers:anaccountbalanceandanannualinterestrateexpressedasapercentage、Yourprogramshouldthendisplaythenewbalanceafterayear、Therearenodepositsorw