更多"下列程序输出的结果是( )。 #include<stdio.h"的相关试题:
[单项选择]下列程序输出的结果是( )。
#include<stdio.h>
sub1(char a,char b) char c:c=a:a=b:b=c;
sub2(char*a,char b) char c:c=*a;”a=b;b=c;
sub3(char*a,char*b) char c;c=*a;”a=*b;*b=c;
void main( )
char a,b;
a=’A’;b=’B’:sub1(a,b);putchar(a):putchar(b):
a=’A’;b=’B’; sub2(&a,b);putchar(a);putchar(b);
a=’A’;b=’B’; sub3(&a,&b);putchar(a);putchar(b);
putchar(’/n’);
A. ABABAB
B. ABBBBA
C. ABBABA
D. ABABBA
[单项选择]下列程序输出的结果是( )。
#include<stdio.h>
sub1(char a,char b) char c;c=a;a=b;b=c:
sub2(char*a,charb) charc;c=*a;”a=b:b=c;
sub3(char*a,char*b) char c;c=*a;”a=*b;*b=c:
void main( )
char a,b;
a=’A’;b=’B’;sub1(a,b);putchar(a);putchar(b);
a=’A’;b=’B’;sub2(&a,b);putchar(a);putchar(b);
a=’A’;b=’B’;sub3(&a,&b);putchar(a);putchar(b):
putchar(’/n’);
A. ABABAB
B. ABBBBA
C. ABBABA
D. ABABBA
[单项选择]下列程序的输出结果是( )。
point(char*pt);
main( )
char b[4]=’a’,’c’,’s’,’f’,*pt=b;
pt=point(pt);
printf("%c/n",*pt);
point(char*p)
p+=3;
return p;
A. s
B. c
C. f
D. a
[单项选择]以下程序的输出结果是
char cchar(char ch)
if(ch>=’A’&&ch<=’Z’) ch=ch-’A’+’a’;
return ch;
main ( )
char s [] = "ABC+abc=defDEF" , *p=s;
while (*p)
*p=cchar(*p);
p++;
printf "%$/n", s);
A. abc+ABC=DEFdef
B. abc+abc=defdef
C. abcABCDEFdef
D. abcabcdefdef
[单项选择]下列程序输出的结果是( )。
#include<stdio.h>
fun1(char a,char b) char c;c=a;a=b;b=c;
fun2(char*a,char b) char c;c=*a;*a=b;b=c;
fun3(char*a,char*b) char c;c=*a;*a=*b;*b=c;
void main( )
char a,b;
a=’A’;b=’B’; fun1 (a,b);putchar(
A. ;putchar(
B. ;
[单项选择]下列程序的输出结果是 #include void main( )
{ char * str="12123434"; int x1=0,x2=0,x3=0,x4=0,i;
for(i=0;str[i]!=’/0’;i++) switch(str[i]) {
case’1’:x4++; case’2’:x3++; case’3’:x2++;
case’4’:x1++; } cout < < x1 < < ","
< < x2 < < "," < < x3 < < "," < < x4;
A. 8,6,4,1
B. 8,6,3,2
C. 8,8,4,1
D. 8,6,4,2
[单项选择]以下程序的输出结果是
char cchar(char ch)
if(ch>=’A’ &&ch<=’Z’) ch=ch-’A’+’a’;
return ch;
main( )
char s[]="ABC+abc=defDEF",*p=s;
while(*p) *p=cehar(*p);p++;
printf("%s/n",s);
A. abc+ABC=DEFdef
B. abe+abe=defdef
C. abcABCDEFdef
D. abcabcdefdef
[填空题]当运行以下程序时,输入abcd,程序的输出结果是【 】
insert(char str[])
{int i;
i=strlen(str);
while(i>0)
{str[2*i]=str[i];str[ 2*i-1]=’’*’’;i--;}
printf("%S\n",str);
}
main( )
{char str[40];
scanf("%S",str);insert(str);
}
[单项选择]下列程序输出的结果是( )。
#include<stdio.h>
funl(char a,char b)char c;c=a;a=b;b=c;
fun2(char *a,char b)char c;c=*a;*a=b;b=c;
fun3(char *a,char *b)char c;c=*a;*a=*b;*b=c;
void main( )
char a,b;
a=’A’;b=’B’;fun1(a,b);putchar(a);putchar(b);
a=’A’;b=’B’;fun2(&a,b);putchar(a);putchar(b);
a=’A’;b=’B’;fun3(&a,&b);putchar(a);putchar(b);
putchar(’/n’);
A. BABBAB
B. ABBBBA
C. ABBABA
D. ABABBA
[单项选择]下列程序输出的结果是( )。
#include<stdio.h>
subl(char a,char b) char c;c=a;a=b;b=c;
sub2(char*a,char b) char c;c=*a;*a=b;b=c;
sub3(char*a,char*b) char c;c=*a;*a=*b;*b=c;
void main( )
char a,b;
a=’A’;b=’B’;subl(a,b);putchar(a);putchar(b);
a=’A’;b=’B’;sub2(&a,b);putchar(a);putchar(b);
a=’A’;b=’B’;sub3(&a,&b);putchar(a);putchar(b);
putchar(’/n’);
A. BABBAB
B. ABBBBA
C. ABBABA
D. ABABBA
[单项选择]以下程序运行后的输出结果是
void ss(char *s,char t)
while(*s)
if(*s==t) $s=t-’a’+’A’;
s++:
main( )
char str1[20]="abcddfefdbd",c=’d’;
ss(str1,c);
printf("%s/n",str1);
A. ABCDDEFEDBD
B. abcDDfefDbD
C. abcAAfefAbA
D. Abcddfefdbd
[填空题]下面程序的输出结果是 【13】 。
char b[]="ABCD";
main( )
char *chp;
for (chp=b;*chp ;chp +=2) printf("%s",chp);
printf("/n");
[单项选择]下列程序的输出结果是
#include
void main( )
char * str="12123434";
int x1=0,x2=0,x3=0,x4=0,i;
for(i=0;str[i]!=’/0’;i++)
switch(str[i])
case’1’:x4++;
case’2’:x3++;
case’3’:x2++;
case’4’:x1++;
cout < < x1 < < "," < < x2 < < "," < < x3 < < "," < < x4;
A. 8,6,4,1
B. 8,6,3,2
C. 8,8,4,1
D. 8,6,4,2
[单项选择]下列程序输出的结果是( )。
#include<stdio.h>
fun1(char a,char b)char c;c=a;a=b;b=c;
fun2(char*a,char b)char c;c=*a;*a=b;b=c;
fun3(char*a,char*b)char c;c=*a;*a=*b;*b=c;
void main( )
char a,b;
a=’A’;b=’B’;fun1(a,b);putchar(
A. ;putchar(
B. ;
[单项选择]下列程序输出的结果是( )。
#include<stdio.h>
un1(char a,char b)char c;c=a;a=b;b=c;
fun2(char*a,char b)char c;c=*a;*a=b;b=c;
fun3(char*2,char*b)charc;c=*a;*a=*b;*b=c;
void main( )
char a,b;
a=’A’;b=’B’;funl(a,b);putchar(a);putchar(b);
a=’A’;b=’B’;fun2(&a,b);putchar(a);putchar(b);
a=’A’;b=’B’;fun3(&a,&b);putchar(a);putchar(b);
putchar(’/n’);
A. BABBAB
B. ABBBBA
C. ABBABA
D. ABABBA