C語(yǔ)言程序填空題及答案

1、int n,k=0; scanf("%d",&n);程序填空題1、 #include <stdio.h> void main()while(/ 1)n 2) n!=0;k+;n=n/10/ max=f(1);/if(f(i)>max) max=f(i); printf("%dn",k);2、#include <stdio.h>#include <math.h>#define f(x) x*x-5*x+sin(x) void main() int x; float max; 1 for(x=2;x<=

2、10;x+)printf("%fn",max);3、 #include <stdio.h> void main()char c; c=getchar();if(/ c>='a' && c<'v'c=c+5;elseif (c>='v' && c<='z')/c=c-21;putchar(c);4、#include <stdio.h> void Dec2Bin(int m) int bin32,j;for(j=0;m!=0;j+)/

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

4、,s);6、/#include <stdio.h>void swap() /int *pa , int *pb /* 交換兩個(gè)數(shù)的位置 */ int temp; temp = *pa; *pa = *pb;*pb = temp;void main()int a,b,c,temp;scanf("%d%d%d",&a,&b,&c); if(a>b)swap(&a,&b);if(b>c) swap(&b,&c);if() / a>bswap(&a,&b);printf("

5、;%d,%d,%d",a,b,c); 7、 #include <stdio.h>/long f(int n) ；void main()printf("%ldn",f(30);long f(int n)if() / n=1|n=2return 1;elsereturn f(n-1)+f(n-2);8、#include <stdio.h> void main()char s80; int i,j; gets(s);for(i=j=0;i+) / si!= '0'if(si != 'c')sj=si;/j+; sj

6、='0' puts(s);9、#include <stdio.h> struct STUDENTchar name16;int math;int english;int computer;int average;/* 計(jì)算平均成績(jī) */;void GetAverage(struct STUDENT *pst)int sum=0;sum =; /sum+ pst->math+ pst->English+ pst->computerpst->average = sum/3;void main() int i; struct STUDENT st4

7、="Jessica",98,95,90,"Mike",80,80,90, "Linda",87,76,70,"Peter",90,100,99;for(i=0;i<4;i+)GetAverage(); / &sti printf("NametMathtEnglishtComputAveragen"); for(i=0;i<4;i+) printf("%st%dt%dt%dt%dn",,sti.math,sti.english, sti.co

8、mputer,sti.average);10、#include <stdio.h> #include <math.h>long f(long n) long m,y=0; m=fabs(n);while(m!=0) y=y*10+m%10;/ m=m/10;if(n>=0) return y;else/ return ( -y);void main()printf("%ldt",f(12345); printf("%ldn",f(-34567); 11、#include <stdio.h>float f(floa

9、t,float*,int);void main() float b5=1.1,2.2,3.3,4.4,5.5; printf("%fn",f(1.7,b,5);float f() / float x,float a , int n float y=a0,t=1; int i;for(i=1;i<n;i+) t=t*x; y=y+ai*t; /return y12、#include <stdio.h> #include <string.h> #include <ctype.h> void f(char *s) int i=0;whil

10、e(si!='0')if(isdigit(si)(s+i,s+i+1); / strcpyi+; / elsevoid main() char str80;gets(str); f(str); puts(str); 13、 #include <stdio.h>#include <ctype.h>void main() char a80; int n3=0,i; gets(a);/for(i=0;ai!= '0'i+)if (tolower(ai)>='a' && tolower(ai)<=

11、9;z') /* 統(tǒng)計(jì)字母?jìng)€(gè)數(shù) */ n0+;else if () /* 統(tǒng)計(jì)數(shù)字個(gè)數(shù) */ ai>='0' && ai<='9'n1+;elsen2+;for(i=0;i<3;i+) printf("%dn",ni);14、 #include <stdio.h>#include<math.h> void main()int i,a,b,c;for(i=100;i<=999;i+) a=i/100;/ b=i%100/10;c=i%10;if (/i=a*a*a+b*b*b+c*c*cprintf("%d is a Armstrong number!n",i); 15、 #include <stdio.h>void main()");/* 數(shù)組輸入 */int a10,b10,i; printf("nInput 10 numbers: for (i=0; i<10;i+)