全国计算机等级考试计算机二级考试C语言真题

＃include<stdio.h>{intcase;floatprintF;%f"case,&printF)；printf("％d％f\n",case，printf）15。15)若有定义语句:intx=10；＃include<stdio.h〉{inta=1，b=0;A)if(a〉b)c=a,a=b，b=c;C)if(a〉b)c=a;a=b;b=c;＃include<stdio。h>｛intc=0，k；｛default：c+=k；case2：c++;break；case4:c+=2；break；elsek=0；elsek=0;elseif（b<=c)k=1；D）if（a>b)k=1；elseif（b〉c）k=1;elsek=0；＃include<stdio。h>chars[]=｛"012xy"};inti，n=0；if（s［i］'a'&&s[i］<='z')n++;#include<stdio.h〉intn=2，k=0;A)02B）13C）57D)12A)chara='a';B)chara='\n'C)chara='aa'D）chara='\x2d'＃include〈stdio.h〉charc1，c2；#include〈stdio.h>voidfun（intp)intd=2；#defineMIN-2147463647findmax（intx[］,intn）inti,max；if（max<x[i］max=x[i]；returnmax;#include<stdio.h〉#include<stdio。h>＃include〈string。h>#include<stdio。h〉{inta［]=｛2，3,5，4｝i;｛case0:case0:a[i]++；break；}break；case1:a［i]=0；printf（"％d"，a［i]);A)3344B）2050C）3040D)0304＃include<stdio。h>＃include〈string。h〉｛chara［10］="abcd"；fun(char*a，char*b）{while(（*b=*a）!='\0'｛a++；b++；｝voidfun(intn，char*s)｛A）void（*pf）;pf=fun;B）void＊pf（);C)void*pf(）＊pf=fun；D）void（＊pf）int,char）pf=＆fun;＃include<stdio。h>f(intn)；inta=3，s;f(intn)｛staticinta=1;returnn;＃include〈stdio。h>＃definef（x)x＊x*xA)structordB）structordC）structord｛intx；int{intx；inty；intz；;structorda;y；intz;}structord{intx;inty;intz;}n；{intx;inty；intA)charstr［]="string"；c=str;B）scanf（"%s",c）;C）c=getchar();D）＊c="string";#include<stdio.h〉＃include<string。h〉structA｛inta;charb[10];doublec；；structAf(structAt）{structAa=｛1001，"ZhangDa"，1098。0};structAf(structAt){t。a=1002;strcpy（t.b，ChangRong";t.c=1202。0;returnt;}（7）若有语句doublex=17;inty；＃include<stdio。h〉intx=20;printf（"％d",0<x〈20)；#include〈stdio.h〉inta=1,b=7;}while（b>1）＃include<stdio.h>printf（"%d%d"f1，f2）{f=f1+f2;printf（"%d"f）f1=f2；f2=f;#include<stdio.h〉voidfun(intb）inta=10;a+=b；printf（"％d"，a);a+=c；printf（"%d\n",a）;structperson｛intID;charname[12]；}p；#include<stdio.h>chara［20］="Howarescanf（"％s"b);printf("%s%s\n",a，b)；程序运行时从键盘输入：Howareyou？〈回车〉＃include〈stdio.h〉typedefstruct{intnum；doubles;}REC；voidfun1(RECx){x.num=23;x。s=88.5;}{RECa=｛16,90.0};＃in