C语言程序填空题及答案

1、精选优质文档-倾情为你奉上程序填空题1、#include<stdio.h>voidmain()intn,k=0;scanf("%d",&n);while(_1_)/1)n2)n!=0;k+;_2_;n=n/10printf("%dn",k);2、#include<stdio.h>#include<math.h>#definef(x)x*x-5*x+sin(x)voidmain()intx;floatmax;_1_/max=f(1);for(x=2;x<=10;x+)_2_/if(f(i)>max)m

2、ax=f(i);printf("%fn",max);3、#include<stdio.h>voidmain()charc;c=getchar();if(_1_)/c>='a'&&c<'v'c=c+5;elseif(c>='v'&&c<='z')_2_/c=c-21;putchar(c);4、#include<stdio.h>voidDec2Bin(intm)intbin32,j;for(j=0;m!=0;j+)binj=_1_;/m

3、%2m=m/2;for(;j!=0;j-)printf("%d",_2_);/binj-1voidmain()intn;scanf("%d",&n);Dec2Bin(n);5、#include<stdio.h>#include<math.h>voidmain()intn,s=0;scanf("%d",&n);_1_/n=(n>0n:-n);2)n=fabs(n);while(n!=0)_2_/s=s+n%10;n=n/10;printf("%dn",s);6、/#inc

4、lude<stdio.h>voidswap(_1_)/int*pa,int*pb/*交换两个数的位置*/inttemp;temp=*pa;*pa=*pb;*pb=temp;voidmain()inta,b,c,temp;scanf("%d%d%d",&a,&b,&c);if(a>b)swap(&a,&b);if(b>c)swap(&b,&c);if(_2_)/a>bswap(&a,&b);printf("%d,%d,%d",a,b,c);7、#inclu

5、de<stdio.h>_1_/longf(intn)；voidmain()printf("%ldn",f(30);longf(intn)if(_2_)/n=1|n=2return1;elsereturnf(n-1)+f(n-2);8、#include<stdio.h>voidmain()chars80;inti,j;gets(s);for(i=j=0;_1_;i+)/si!=0if(si!='c')sj=si;_2_/j+;sj='0'puts(s);9、#include<stdio.h>structSTU

6、DENTcharname16;intmath;intenglish;intcomputer;intaverage;voidGetAverage(structSTUDENT*pst)/*计算平均成绩*/intsum=0;sum=_1_;/sum+pst->math+pst->English+pst->computerpst->average=sum/3;voidmain()inti;structSTUDENTst4="Jessica",98,95,90,"Mike",80,80,90,"Linda",87,76,

7、70,"Peter",90,100,99;for(i=0;i<4;i+)GetAverage(_2_);/&stiprintf("NametMathtEnglishtComputAveragen");for(i=0;i<4;i+)printf("%st%dt%dt%dt%dn",,sti.math,sti.english,puter,sti.average);10、#include<stdio.h>#include<math.h>longf(longn)long

8、m,y=0;m=fabs(n);while(m!=0)y=y*10+m%10;_1_/m=m/10;if(n>=0)returny;else_2_/return(-y);voidmain()printf("%ldt",f(12345);printf("%ldn",f(-34567);11、#include<stdio.h>floatf(float,float*,int);voidmain()floatb5=1.1,2.2,3.3,4.4,5.5;printf("%fn",f(1.7,b,5);floatf(_1_)/

9、floatx,floata,intnfloaty=a0,t=1;inti;for(i=1;i<n;i+)t=t*x;y=y+ai*t;_2_/returny12、#include<stdio.h>#include<string.h>#include<ctype.h>voidf(char*s)inti=0;while(si!='0')if(isdigit(si)_1_(s+i,s+i+1);/strcpy_2_i+;/elsevoidmain()charstr80;gets(str);f(str);puts(str);13、#includ

10、e<stdio.h>#include<ctype.h>voidmain()chara80;intn3=0,i;gets(a);_1_/for(i=0;ai!=0;i+)if(tolower(ai)>='a'&&tolower(ai)<='z')/*统计字母个数*/n0+;elseif(_2_)/*统计数字个数*/ai>='0'&&ai<='9'n1+;elsen2+;for(i=0;i<3;i+)printf("%dn",ni

11、);14、#include<stdio.h>#include<math.h>voidmain()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、#include<stdio.h>voidmain()inta10,b10,i;printf("nInput10numbers:");for(i=0;i<10;i+)/*数组输入*/sc