C语言课后答案.doc

C语言课后答案.doc第[章选择题⑴C⑵B⑶D填空题main(2)main⑶有穷性、确定性、有零个或多个输入、有一个或多个输出、有效性(4)顺序、分支和循环(5)自顶向下,逐步细化、模块化设计、结构化编码第2章选择题BBCDADDBBABBDCB2、 填空题⑴数字、字母、下划线(2)0⑶4、8(4)(a+b)*c/(a-b)(5)一60(6)-16(7)3(8)6、4、2(9)0(10)10>6(11)、4double(14)0(15)16(16)、 编程题(1)main()printf(Mint:%5d\nM£oar*%5dm二■ohar:%5dm=・・doub_w%5dw二ong_%5dw「sizeof(is)+・sizeof(foai)-sizeof(cha)sizeof(doub一e)ysizeof(ong));maino宀foaikHOo;prinmJ-npu二hekm:》scam(=%vdk);pHnwmmi_k*RAT)」一M3#」・俳娥齊(1)〜(10):DDCDCDCDBC解析题(1)x=1705x=uum170,x=uuu2523x=umm170x=170,x=170uuu,x=uuu170,x=%6da==,a==3Mb=7x===Auc2=a3・编程题(1)main(){intx,y;scanf(”%d%cT,&x,&y);printf(M商数=%d,余数=%d',,x/y,x%y);system(npauseM);}main(){doublexyz,avg;scanf(M%lf%lf%lfH,&x5&y,&z);avg=(x+y+z)/3;printf(H%.1ir5avg,avg);system(MpauseM);}第4章选择题⑴〜(ABD填空题ch>=W&&chv=Zch=ch-32x<=10&&x>2x<=2&&x>-1y=-1a+b>c&&a+c>b&&b+c>aa==b&&a==ca==b||a==c||b==c⑷mark/10k=1case9(5)x<0c=x/10y!=-2编程题⑴#include<>main(){intx;printf(Mpleaseinputanumber:1');scanf(M%dM,&x);if(x%2==0)printf(Mxisaevennumber99);elseprintf(Hxisaoddnumber11);}(2)#include<>main(){intx,y;printf(Mpleaseinputanumber£o,f);scanf(,f%d,f5&x);if(x<=-5)printf(nthenumberiserror1');elseif(xvO){y=x;printf(f,%d,\y);}elseif(x==0){y=x-1;printf(M%dM,y);}elseif(x<10){y=x+1;printf(H%dH,y);}elseprintf(Mthenumberiserror11);}⑶#include<>main(){inta5m;printf(Mpleaseinputanumber:1');scanf(M%dM,&a);switch(a/10){case0:case1:case2:m=1;break;case3:m=2;break;case4:m=3;break;case5:m=4;break;default:m=5;break;}printf(M%dM,m);}(4)#include<>main(){floatprice,tax;printf(Hpleaseinputthepriceofproduct:11);scanf(”%f”,&price);if(price>10000)tax=price*;elseif(price>5000)tax=price*;elseif(price>1000)tax=price*;elsetax=0;printf(M%f,,,tax);(5)#inelude<>main()floatscore;printf(Mpleaseinputthescoreofstudent:");scanf(”%f;&score);if(score>=85)prin廿「VERYGOOD");elseif(score>=60)printf(MGOODf,);elseprintf(HBADf,);d(2)c(3)a(4)d(5)a(6)d(7)d(8)b(9)d(10)bc(12)b(13)d(14)a(15)c填空题(1)==