C語(yǔ)言程序填空題及答案

1、程序填空題1、#include voidmain()printf(%dn,k);2、#include #include #define f(x)x*x-5*x+sin(x) voidmain() int x; float max;_1_for(x=2;x=10;x+)printf(%fn,max);3、#include void main()char c;c=getchar();while(/ 1)n 2) n!=0;k+;n=n/10int n,k=0;scanf(%d,&n);/ max=f(1);/ if(f(i)max)max=f(i);if(/ c=a &c=c+5;elseif (

2、c=v &c=z)/c=c-21;putchar(c);4、#include void Dec2Bin(int m)int bin32,j;for(j=0;m!=0;j+)binj=m=m/2;for(;j!=0;j-)void main()int n;scanf(%d,&n);Dec2Bin(n);5、#include #includevoid main()int n,s=0;scanf(%d,&n);/n=(n0?n:-n);2)n=fabs(n);/ s=s+n%10;n=n/10;printf(%dn,s);6、/#include /*交換兩個(gè)數(shù)的位置*/ int temp; temp

3、 =*pa; *pa = *pb;while(n!=0)void swap()/int *pa , int*pb/ m%2printf(%d,);/ binj-1*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);)/ 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 n)return 1;elser

4、eturn f(n-1)+f(n-2);8、#include void main()char s80; int i,j; gets(s);if(si != c)sj=si;/j+;if(if()/ n=1|n=2for(i=j=0;i+)/ si!=0sj=0;puts(s);9、#include struct STUDENTchar name16;int math;int english;int computer;int average;void GetAverage(struct STUDENT *pst)int sum=0;/sum+pst-math+pst-English+pst-co

5、mputerpst-average = sum/3;void main()int i; struct STUDENTst4=Jessica,98,95,90,Mike,80,80,90,Linda,87,76,70,Peter,90,100,99;for(i=0;i4;i+)GetAverage();/&stiprintf(NametMathtEnglishtComputAveragen); for(i=0;i4;i+)printf(%st%dt%dt%dt%dn,,sti.math,sti.english, puter,sti.average);10、#include #in

6、clude long f(long n) long m,y=0; m=fabs(n);while(m!=0) /*計(jì)算平均成績(jī)*/sum =i+;/ elsevoid main() char str80;gets(str); f(str); puts(str);13、#include y=y*10+m%10;/ m=m/10;if(n=0) returny;else/ return ( -y);void main()printf(%ldt,f(12345);printf(%ldn,f(-34567);11、#include float f(float,float*,int);void main

7、() floatb5=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;in;i+) t=t*x; y=y+ai*t; / return y12、#include#include#include voidf(char *s) inti=0;while(si!=0)if(isdigit(si)(s+i,s+i+1);/ strcpy#include void main() char a80; int n3=0,i; gets(a);/f

8、or(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;printf(%d is aArmstrongnumber!n,i);15、#include void main()int a10,b10,i;printf(nInput 10numbers: for (i=0;i10;i+) scanf(%d,&ai);for (i=1; i10; i+)/*計(jì)算