C语言程序填空题及答案

1、1、#includevoidmain()(intn,k=0;scanf(%d”,&n);while(1)/1)n2)n!=0;(k+;2;n=n/10printf(%dn”,k);2、#include#include#definef(x)x*x-5*x+sin(x)voidmain()(intx;floatmax;1/max=f(1);for(x=2;xmax)max=f(i);printf(%fn,max);3、#includevoidmain()charc;c=getchar();if(1)/c=a&c=v&c=z)2/c=c-21;putchar(c);4、#includevoidDec

2、2Bin(intm)intbin32,j;for(j=0;m!=0;j+)(binj=1;/m%2m=m/2;for(;j!=0;j-)printf(%d,2);/binj-1voidmain()(intn;scanf(%d”,&n);Dec2Bin(n);5、#include#includevoidmain()(intn,s=0;scanf(%d”,&n);1/n=(n0?n:-n);2)n=fabs(n);while(n!=0)2/s=s+n%10;n=n/10;printf(%dn”,s);6、/#includevoidswap(1)/int*pa,int*pb/*交换两个数的位置*/i

3、nttemp;temp=*pa;*pa=*pb;*pb=temp;voidmain()inta,b,c,temp;scanf(%d%d%d”,&a,&b,&c);if(ab)swap(&a,&b);if(bc)swap(&b,&c);if(2)/abswap(&a,&b);printf(%d,%d,%d,a,b,c);7、#include1/longf(intn);voidmain()printf(%ldn”,f(30);longf(intn)if(2)/n=1|n=2return1;elsereturnf(n-1)+f(n-2);8、#includevoidmain()chars80;int

4、i,j;gets(s);for(i=j=0;1;i+)/si!=0if(si!=c)sj=si;2/j+;sj=0;puts(s);9、#includestructSTUDENTcharname16;intmath;intenglish;intcomputer;intaverage;voidGetAverage(structSTUDENT*pst)/*计算平均成绩*/(intsum=0;sum=1sum+pst-math+pst-English+pst-computerpst-average=sum/3;voidmain()(inti;structSTUDENTst4=Jessica”,98,

5、95,90,Mike”,80,80,90,Linda”,87,76,70,Peter”,90,100,99;for(i=0;i4;i+)GetAverage(2);/&stiprintf(NametMathtEnglishtComputAveragen);for(i=0;i4;i+)printf(%st%dt%dt%dt%dn”,,sti.math,sti.english,puter,sti.average);10、#include#includelongf(longn)longm,y=0;m=fabs(n);while(m!=0)y=y*10+m%10;1/m=

6、m/10;if(n=0)returny;else2/return(-y);voidmain()printf(%ldt”,f(12345);printf(%ldn”,f(-34567);11、#includefloatf(float,float*,int);voidmain()(floatb5=(1.1,2.2,3.3,4.4,5.5;printf(%fn,f(1.7,b,5);floatf(1)/floatx,floata,intnfloaty=a0,t=1;inti;for(i=1;in;i+)t=t*x;y=y+ai*t;2/returny12、#include#include#inclu

7、devoidf(char*s)inti=0;while(si!=0)if(isdigit(si)1(s+i,s+i+1);/strcpy2i+;/elsevoidmain()charstr80;gets(str);f(str);puts(str);13、#include#includevoidmain()(chara80;intn3=0,i;gets(a);1/for(i=0;ai!=0;i+)if(tolower(ai)=a&tolower(ai)=0&ai=9n1+;elsen2+;for(i=0;i3;i+)printf(%dn”,ni);14、#include#includevoidmain()(inti,a,b,c;for(i=100;i=999;i+)(a=i/100;1/b=i%100/10;c=i%10;if(2)/i=a*a*a+b*b*b+c*c*cprintf(%disaArmstrongnumber!n,i);15、#includevoidmain()(inta10,b10,i;printf(nInput10numbers:);for(i