C语言课后全部答案

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1、第一章C语言初步一、选择题1.C2.D3.D4.A5.D6.B7.B8.B9.C10.A二、思考与应用题1．A．字符串常量B．字符串常量C．整型常量D．浮点型常量（double）2．A．longdoubleB．longintC．floatD．字符型常量3．A．整型常量B．字符型常量C．字符串常量D．字符串常量4．FirstExample:10,wisYzis5.125．intmain(void){return0;}6．#includeintmain(void){printf("HelloWorld");return0;}7．#i

2、ncludeintmain(void){printf("Wearetolearncorrect");printf("Clanguagehere");return0;}/*main*/8．#includeintmain(void){/*LocalDefinition*/inta;floatb;charc;/*Statements*/printf("Theendoftheprogram.");return0;}/*main*/9．#includeintmain(void){/*LocalDefin

3、ition*/inta;floatb;charc,d;/*Statements*/printf("Theendoftheprogram.");return0;}/*main*/10．#includeintmain(void){/*LocalDefinition*/inta;charb,c,d;floate,f;/*Statements*/printf("Theendoftheprogram.");return0;}/*main*/11．A．charoption;B．intsum=0;C．floatproduce=1;12．A．s

4、hortcode;B．floatsalesTax=.0825;C．doublesum=0;13．#includeintmain(void){floatcost=172.53;printf("Thesalestotalis:$%6.2f",cost);printf("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^");return0;}14．#includeintmain(void){printf("******");printf("******");printf("******"

5、);printf("******");return0;}15．#includeintmain(void){printf("*");printf("**");printf("***");printf("****");return0;}16．#includeintmain(void){intx1=1;intx2=10;intx3=100;intx4=1000;intx5=10000;printf("%d%d%d%d%d",x1,x2,x3,x4,x5);printf("%f%f%f%f%f

6、n",x1,x2,x3,x4,x5);return0;}17．#includeintmain(void){intx;printf("Pleaseenteraninteger:");scanf("%d",&x);printf("Thenumberasacharacter:%c",x);printf("Thenumberasadecimal:%d",x);printf("Thenumberasafloat:%f",x);return0;}三、编程题1．#includeintmain(void){in

7、tx1;intx2;intx3;printf("Pleaseenterthreenumbers:");scanf("%d%d%d",&x1,&x2,&x3);printf("Yournumbersforword:");printf("%8d%8d%8d",x1,x2,x3);printf("Yournumbersreversed:");printf("%8d%8d%8d",x3,x2,x1);return0;}2．#includeintmain(void){intx1;intx2;intx3;

8、intx4;intx5;intx6;intx7;intx8;intx9;intx10;printf("Pleaseenter10numb