c程序设计 习题答案

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1、习题答案第一章1.5#includevoidmain(){printf("*********Verygood!*********");}1.6（法一）#includemain(){inta,b,c,max;scanf("%d,%d,%d",&a,&b,&c);max=(a>b)?a:b;max=(max>c)?max:c;printf("max=%d",max);}（法二）main(){inta,b,c,max;scanf("%d,%d,%d",&a,&b,&c);if(a>b&&a>c

2、)max=a;elseif(b>c)max=b;elsemax=c;printf("max=%d",max);}（法三）#includevoidmain(){intmax(intx,inty,intz);inta,b,c,d;scanf("%d,%d,%d",&a,&b,&c);d=max(a,b,c);printf("max=%d",d);}intmax(intx,inty,intz){intA,B;if(x>y)A=x;elseA=y;if(z>A)B=z;elseB=A;return(B);}第三章3.3(

3、1)(10)10=(12)8=(a)16(2)(32)10=(40)8=(20)16(3)(75)10=(113)8=(4b)16(4)(-617)10=(176627)8=(fd97)16(5)(-111)10=(177621)8=(ff91)16(6)(2483)10=(4663)8=(963)16(7)(-28654)10=(110022)8=(9012)16(8)(21003)10=(51013)8=(520b)163.6aabb(8)cc(8)abc(7)AN3.7main(){charc1='C',c2='h',c3='i',

4、c4='n',c5='a';c1+=4,c2+=4,c3+=4,c4+=4,c5+=4;printf("%c%c%c%c%c",c1,c2,c3,c4,c5);}3.8main(){intc1,c2;c1=97;c2=98;printf("%c%c",c1,c2);}3.9(1)=2.5(2)=3.53.109,11,9,103.12(1)24(2)10(3)60(4)0(5)0(6)0第四章4.4main(){inta,b,c;longintu,n;floatx,y,z;charc1,c2;a=3;b=4;c=5;x=1.2;y=2

5、.4;z=-3.6;u=51274;n=128765;c1='a';c2='b';printf("");printf("a=%2db=%2dc=%2d",a,b,c);printf("x=%8.6f,y=%8.6f,z=%9.6f",x,y,z);printf("x+y=%5.2fy+z=%5.2fz+x=%5.2f",x+y,y+z,z+x);printf("u=%6ldn=%9ld",u,n);printf("c1='%c'or%d(ASCII)",c1,c1);printf("c2='%c'or%d(ASCI

6、I)",c2,c2);}4.5575767.856400,-789.12396267.856400,-789.12396267.86-789.12,67.856400,-789.123962,67.856400,-789.1239626.785640e+001,-7.89e+002A,65,101,411234567,4553207,d68765535,177777,ffff,-1COMPUTER,COM4.6a=3b=7/x=8.5y=71.82/c1=Ac2=a/4.71020Aa1.5-3.75+1.4,67.8/(空3)10(

7、空3)20Aa1.5(空1)-3.75(空1)(随意输入一个数），67.8回车4.8main(){floatpi,h,r,l,s,sq,sv,sz;pi=3.1415926;printf("inputr,h");scanf("%f,%f",&r,&h);l=2*pi*r;s=r*r*pi;sq=4*pi*r*r;sv=4.0/3.0*pi*r*r*r;sz=pi*r*r*h;printf("l=%6.2f",l);printf("s=%6.2f",s);printf("sq=%6.2f",sq);printf("vq=%6

8、.2f",sv);printf("vz=%6.2f",sz);}4.9main(){floatc,f;scanf("%f",&f);c=(5.0/9.0)*(f-32);printf(