C語言程序填空題及答案

1、int n,k=0; scanf(%d,&n);程序填空題1、 #include 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 #include #define f(x) x*x-5*x+sin(x) void main() int x; float max; 1 for(x=2;x=10;x+)printf(%fn,max);3、 #include void main()char c; c=getchar();if(/ c=a & c=v &

2、 c=z)/c=c-21;putchar(c);4、#include void Dec2Bin(int m) int bin32,j;for(j=0;m!=0;j+)/ m%2binj=m=m/2; for(;j!=0;j-)printf(%d,); / binj-1void main()int n;scanf(%d,&n);Dec2Bin(n);5、#include #include void main()int n,s=0;scanf(%d,&n);/n=(n0?n:-n) ; 2)n=fabs(n);while(n!=0) / s=s+n%10;n=n/10;printf(%dn,s);

3、6、/#include 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(ab)swap(&a,&b);if(bc) swap(&b,&c);if() / abswap(&a,&b);printf(%d,%d,%d,a,b,c); 7、 #include /long f(int n) ；void main()printf(%ldn,f(30);long f(int

4、 n)if() / n=1|n=2return 1;elsereturn f(n-1)+f(n-2);8、#include void main()char s80; int i,j; gets(s);for(i=j=0;i+) / si!= 0if(si != c)sj=si;/j+; sj=0; puts(s);9、#include 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;

5、sum =; /sum+ pst-math+ pst-English+ pst-computerpst-average = sum/3;void main() int i; struct STUDENT st4=Jessica,98,95,90,Mike,80,80,90, Linda,87,76,70,Peter,90,100,99;for(i=0;i4;i+)GetAverage(); / &sti printf(NametMathtEnglishtComputAveragen); for(i=0;i4;i+) printf(%st%dt%dt%dt%dn,,sti.mat

6、h,sti.english, puter,sti.average);10、#include #include 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 float f(float,float*,int);void main() float b5=1.1,2.2,3.3,4.4,5

7、.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;in;i+) t=t*x; y=y+ai*t; /return y12、#include #include #include void f(char *s) int i=0;while(si!=0)if(isdigit(si)(s+i,s+i+1); / strcpyi+; / elsevoid main() char str80;gets(str); f(str); puts(str); 13、 #includ

8、e #include void main() char a80; int n3=0,i; gets(a);/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 #include 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 void main();/* 數(shù)組輸入 */int a10,b10,i; printf(nInput 10 numbers: for (i=0; i10;i+) scan