题库语言历年试卷2000答案

下框由教师填写—二三四五(2分,20分123456789ABADCABDCC(324分118，14，A27,-13340,1,3,510,41,7063,7,7g=4,g=3,k=68typedefint(520分143427-1541623132，1，4，3，6，（4，1，2，3，6，j）4(220分sqrt(point[k].x*point[k].x+point[k].y*point[k].ypoint[k].length>sub=strcpy(string,str[0]);（5）strcat(string,str[k]chars[]chard=d*16+s[k]-d=d*16+s[k]-'a'+yearday-=k(1521116分)intsum_fact(intnumber)2{intk,sum=if(number<0)number=-for(k=1;k<=number;k++)1分if(number%k0sumk;2分returnsum;}2includestdio.h>1{FILE*fpin,intiffpinfopen("input.txt","r"NULL2printf("Can'topenfileinput.txt"}iffpoutfopen("output.txt","wNULL2printf("Can'tcreatfileoutput.txt"}whilefeof(fpin1fscanf(fpind&x2fprintf(fpoutdsum_fact(x2}fclose(fpin);1fclose(fpout}1999~2000学年“程序设计基础--C”试卷考试时间20006238:30-10:30注:请将答案写在答卷纸上试题一、单项选择题（每小题2分，共20分） 结构ABCD若x是单精度实型变量，表达式(x=10/4)的值 。A、2.5B2.0C3D表达式!x等价 A、x==0B、x==1C、x0D、x若变量已正确定义且k的值是4，计算表达式(j=k--)后 A、j=3,k=3B、j=3,k=4C、j=4,k=4D、j=4,k=35.算术运算符、赋值运算符和关 AB、关系运算、赋值运算、算术运算 AautoB、staticCregisterD、7．下列语句定义pf为指向float类型变量f的指针 A、floatf,*pff;B、floatf,*pf&f;C、float*pf&f,f;D、floatf,pf8．表达式sizeof(“key”)的值 oworld*(*(argv+2)) A、’pB、C、‘hD、10．若a是整型变量，表达式~(a^~a)等价 A、~aB、1C、0D、试题二、填空题（324分1printfdox0x1212012);#defineF(x)x-#defineD(x)printf("%d,%d",D(3),D(D(3)))intk;char*s=“ABC”;for(k=10;k!=0;k--);printf("%d",kwhile(*sputchar(*s);4．写出下列程序的输出结果。voidfun(intk) staticintprintf(”%d,”,a+=}{intfor(k=1;k<=3;}main(){structst{intx,y;}structstprintf("%d",(a+3)-}#include"stdio.h"voidmain(){intk,j,m,n,a[6][6],b[6];m=3,for(k=0;k<m;for(j=0;j<n;a[k][j]=for(k=0;k<m;b[k]=0;for(j=0;j<n;j++)b[k]+=a[k][j];}for(k=0;k<m;k++)printf("%d,",b[k]);}#include<stdio.h>longfib(intg){switch(g){case0:return(0);case1:case2:return(2);}printf("g=%d,",g);return(fib(g-1)+fib(g-2));}{longk=}用typedef10的整型数组NUM试题三、程序阅读题（520分#include<stdio.h>intx,y,voidp(int*x,int{--z=}void{x=5;y=2;p(&x,printf("%d,%d,%d--",printf("%d,%d,%d--",x,y,p(&y,printf("%d,%d,%d",x,y,} #includevoid{intx,xfor(k=0;x!=0;x&=x-1printf("%d",}#include<stdio.h>voidmain(){intv[]={6,3,4,1,2};intn=5;intgap,j,k,temp;for(gap=n/2;gap>1;gap/=2)for(j=gap;j<n;j++for(k=j-gap;k>=0&&v[k]>v[k+gap];k-=gaptemp=v[k]=v[k+gap]=}for(k=0;k<5;k++)printf("%d,",}4123450#defineLENsizeof(struct#defineNULLstructintnumstructline*next}{structline*p1,*p2,*headintj,k=p1=p2=head=(structline*)malloc(LEN)scanf("%d",&p1->num)whilewhile(p1->num!=p1=(structline*)malloc(LEN)scanf("%d",&p1->num)if(p1->num==0)p2->next=NULLelse{p2->next=p1p2=p1}}p2->next=head;p1=head->next;p1=p1->nextfor(j=1;j<=k;printf("-->%d",p1->num)p1=p1->next}}试题四、程序填空题（220分110个点的坐标(设坐标为整数值输出距原点最远的点(设唯一)的坐标及该点距原点#includevoid{intx,float}intk,for(k=0;k<10;point[k].length=}for(k=1;k<10;if((2))(3)printf("(%d,%d)%f",point[sub].x,point[sub].y,}n1,然后输出该字符串{charstr[10][20],intk,scanf("%d",for(k=0;k<n;gets(str[k]);for(k=1;k<n;k++)(5)xtoi的功能是将放在字符串中的十六进制数（可以出现’0’~’9’、’a’~’f）转换成十进制整数。例如：调用xtoi("1f")31。xtoi((6){intk,for(k=0;s[k]==’’||s[k]==’’;while(s[k]>=’0’&&s[k]<=’9’||s[k]>=’a’&&s[k]<=’f’if(s[k]>='0'&&s[k]<='9')(7)if(s[k]>='a'&&s[k]<=}return}函数month_day(year,yearday,&month&day)的功能是将给定的某年第几天转换为相应的月和日。例如：调用month_day(1988,60,&m,&d)后，m2,d的值是29(即 年月29日)。判别闰年的条件：能被4整除但不能被100整除或能被400整除。voidmonth_day(intyear,intyearday,int*pmonth,int*pday){staticint{0,31,29,31,30,31,30,31,31,30,31,30,31}};intk,leap;leap=year%4==0year%100!=0||year%400==0;for(k=1;yearday>day_tab[leap][k];k++)(9)*pmonth=(10)*pday=}(共16分1．[程序说明5分sum_