C语言程序填空题及答案

C语言程序填空题及答案集团档案编码：[YTTR-YTPT28-YTNTL98-UYTYNN08]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/10}printf("%d\n",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)max=f(i);printf("%f\n",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){intbin[32],j;for(j=0;m!=0;j++){bin[j]=______1______;//m%2m=m/2;}for(;j!=0;j--)printf("%d",______2______);//bin[j-1]}voidmain(){intn;scanf("%d",&n);Dec2Bin(n);}5、#include<stdio.h>#include<math.h>voidmain(){intn,s=0;scanf("%d",&n);______1______//n=(n>0?n:-n);2)n=fabs(n); while(n!=0){______2______//s=s+n%10;n=n/10;}printf("%d\n",s);}6、/#include<stdio.h>voidswap(______1______)//int*pa,int*pb{/*交换两个数的位置*/inttemp;*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、#include<stdio.h>_______1______//longf(intn)；voidmain(){printf("%ld\n",f(30));}longf(intn){if(______2______)//n==1||n==2return1;elsereturnf(n-1)+f(n-2);}8、#include<stdio.h>voidmain(){chars[80];inti,j;gets(s);for(i=j=0;______1______;i++)//s[i]!=’\0’if(s[i]!='c'){______2______//j++;}s[j]='\0';puts(s);}9、#include<stdio.h>structSTUDENT{charname[16];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;structSTUDENTst[4]={{"Jessica",98,95,90},{"Mike",80,80,90}, {"Linda",87,76,70},{"Peter",90,100,99}};for(i=0;i<4;i++){GetAverage(______2______);//&st[i]}printf("Name\tMath\tEnglish\tCompu\tAverage\n");for(i=0;i<4;i++){printf("%s\t%d\t%d\t%d\t%d\n",st[i].name,st[i].math,st[i].english, st[i].computer,st[i].average);}}10、#include<stdio.h>#include<math.h>longf(longn){longm,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("%ld\t",f(12345));printf("%ld\n",f(-34567)); }11、#include<stdio.h>floatf(float,float*,int);voidmain(){floatb[5]={1.1,2.2,3.3,4.4,5.5};printf("%f\n",f(1.7,b,5));}floatf(_______1________)//floatx,floata[],intn{floaty=a[0],t=1;inti;for(i=1;i<n;i++){t=t*x;y=y+a[i]*t;}_____2_____//returny}12、#include<stdio.h>#include<string.h>#include<ctype.h>voidf(char*s){inti=0;while(s[i]!='\0'){if(isdigit(s[i]))____1____(s+i,s+i+1);//strcpy___2___i++;}//else}voidmain(){charstr[80];gets(str);f(str);puts(str);}13、#include<stdio.h>#include<ctype.h>voidmain(){chara[80];intn[3]={0},i;gets(a);________1________//for(i=0;a[i]!=’\0’;i++){if(tolower(a[i])>='a'&&tolower(a[i])<='z')/*统计字母个数*/ n[0]++;elseif(________2________)/*统计数字个数*////a[i]>='0'&&a[i]<='9'n[1]++;elsen[2]++;}for(i=0;i<3;i++)printf("%d\n",n[i]);}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(){inta[10],b[10],i;printf("\nInput10numbers:");for(i=0;i<10;i++)/*数组输入*/scanf("%d",&a[i]);for(i=1;i<10;i++)b[i]=______1______;/*计算b数组中的元素*///a[i]+a[i-1]for(i=1;i<10;i++){printf("%3d",b[i]);if(______2______)printf("\n");/*每行打印3个数据*///i%3==0}}。