华中科技大学标准C语言程序设计及应用习题答案 .

第二章一.选择题1.C 2.B D 3.A 4.A 5. D 6.C 7.D 8.C 9.A 10.D11.B 12.D 13.C 14.D 15.A16.B 17.A 18.B 100011 001111二.判断题1.错2.错3.错4.错三.填空题1. B 662. n1=%dnn2=%dn3. 0四.计算1(1) x|y = 0x002f(2) xy = 0x0026(3) x&y = 0x0009;(4) x+y = 0xffc6(5) x<<=3 0x0068(6) y>>=4 0x00022(1) 6(2) 50(3) 1(4) 16(5) 1(6) 203(1) 0(2) 1(3) 1(4) 4(5) 8(6) 14(1) 12(2) 0(3) 1(4) 27(5) 1(6) 6(7) 24(8) 27(9) 295(1) 0(2) 1(3) 1(4) 3(5) 2五.程序分析题程序1b=20 a=3600 程序2第三章一.填空题1.s=62.963.(1) scanf("%c",&c); (2) c-32 更好的答案：c-(a-A)2.1 main()int a,b;printf("please input a & b:");scanf("%d%d",&a,&b);printf("nmax is %dn",(a>b)?a:b);2.2int max(int x,int y);main()int a,b,c,max;printf("please input a & b & c:");scanf("%d%d%d",&a,&b,&c);max=a>b?a:b;max=c>max?c:max;printf("nmax is %dn",max);2.3main() int i=0,sum=0; while(i<=100) sum+=i; i+; printf("1+2+3+.+100=%dn",sum);2.4main() int i; int a=10,b=-3; int c; printf("%6d%6d",a,b); for(i=2;i<10;i+) c=3*b+a; printf("%6d",c); a=b; b=c; printf("n");2.5main() int i; while(1) printf("please input a data(0:exit):"); scanf("%d",&i); if(i=0) break; if(i%2=0) printf("the data %d is a even number.n",i); else printf("the data %d is a odd number.n",i); 2.6#include <stdio.h>main() int i; int a=8,b=1; int sum=0; for(i=0;i<10;i+) b+=3; sum += a; a+=b; printf("a%8d b:%8dn",a,b); printf("The Sum Of Is:%dn",sum);2.7#include <stdio.h>main() float x,y; printf("please input x:"); scanf("%f",&x); if(x<1.0) y=x; else if(x<10) y=2*x-1; else y=3*x-11; printf("y=%fn",y);2.8#include <stdio.h>main() long a,i,b,a1; while(1) printf("please input data(1-99999):"); scanf("%ld",&a); printf("a:%ldn",a); if(a<=0|a>=100000) break; i=0; a1=0; while(a!=0) b=a%10; printf("%8d",b); a/=10; i+; a1=a1*10+b; printf("n i:%ld a1:%ldn",i,a1); 2.9#include <stdio.h>#include <time.h>#include <stdlib.h>main() int a,b,i,k=0; randomize(); a=random(1001);/*create a random data(0-1000)*/ for(i=0;i<20;i+) printf("please guess a number:"); scanf("%d",&b); if(a>b) k+; printf("n%d:Smaller,guess again!n",k); else if(a<b) k+; printf("n%d:Bigger,guess again!n",k); else printf("nYou guess right,congraturation!") ; printf("nYou have guessed %d times",k); break; if(k=20) printf("nsorry,you failed!");2.10#include <stdio.h>main() int a,b,c; int num; for(a=0;a<10;a+) for(b=0;b<10;b+) for(c=1;c<10;c+) num=a*100+b*10+c;if(num%3=0)&&(a=5|b=5|c=5) printf("%8d",num); printf("nnn");2.11#include <stdio.h>main() int i; int a,b; printf("please input a,b:"); scanf("%d%d",&a,&b); for(i=a<b?a:b;i>0;i-) if(a%i=0&&b%i=0) printf("The max=%d",i); break; for(i=a>b?a:b;i>0;i+) if(i%a=0&&i%b=0) printf("nThe min=%d",i); break; 2.12#include <stdio.h>main() int a,k=0; printf("please input data:"); scanf("%d",&a); while(a%2=0) a=a/2; k+; printf("nthe number of factor(2) is %d",k);2.13main() long i,t=1; long sum=0; for(i=1;i<=10;i+) t*=i; sum+=t; printf("%ld!=%ldn",i,t); printf("sum:%ldn",sum); 2.14#include <stdio.h>void main() int i,x=0; for(i=9;i>=1;i-) x=2*(x+1); printf("The first day:%d",x);2.15#include <stdio.h>#define PI 3.141593main() float r,h; float v; printf("please input r,h:"); scanf("%f%f",&r,&h); v=1.0/3*PI*r*r*h; printf("V=%.2f",v);2.16#include<stdio.h>#include<math.h>main() long int sn=0; long int m=0,t=0; int a,n,i; printf("please input a n:"); scanf("%d%d",&a,&n); for(i=0;i<n;i+) m=m*10+a; sn+=m; printf("a+aa+aaa+.+aa.a=%ldnn",sn);2.17#include <stdio.h>main() int k; printf("please input k:"); do scanf("%d",&k); if(k>=0&&k<=6) break; while(1); switch(k) case 0:printf("Sunday.n");break; case 1:printf("Monday.n");break; case 2:printf("Tuesday.n");break; case 3:printf("We