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CÓïÑÔϰÌâ

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  • 2025/5/1 16:39:21

C. y=-1 D. y=0;

If (x) if (x>=0)

If (x>0) y=1; if (x>0) y=1; else if(x==0) y=0; else y=-1; else y=-1;

£¨27£©ÈôÖ´ÐÐÒÔϳÌÐòʱ´Ó¼üÅÌÉÏÊäÈë9£¬ÔòÊä³ö½á¹ûÊÇ( )

main() { int n;

scanf(\

if(n++<10) printf(\ else printf(\}

A. 11 B. 10 C. 9 D. 8

(28) ÈôiΪintÐÍ,ÇÒÓгÌÐòÈçÏÂ,ÔòÊä³ö½á¹ûÊÇ( )¡£

i=111;

if(i%3==0); printf(\ printf(\

A. #### B. **** C. ####**** D.ÎÞÊä³ö½á¹û

(29) Çë¶ÁÏÂÃæ³ÌÐò£º

main()

{int x=1, y=2, z=3; x+=y+=z;

printf(\ printf(\}

³ÌÐòÊä³ö½á¹ûΪ( )¡£

A. 5 4 B. 4 5 C. 5 6 D. 6 5

(30) Èô±äÁ¿¶¼ÒÑÕýȷ˵Ã÷£¬ÔòÒÔϳÌÐò¶ÎÊä³öΪ( )¡£

int a=1,b=2,c,d; if (a=b) c=d=a; else c=b;d=b;

printf(\

A.c=1,d=1 B.c=1,d=2 C.c=2,d=1 D.c=2,d=2

(31) ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( )¡£

main()

{int a=100£¬x=10,y=20£¬a1=5£¬a2=0 if(x

if(y !=10) if(!a1) a=1; else

if(a2) a=10; a=-1;

printf(\}

A.1 B. 0 C. 10 D. -1

(32) Èôw¡¢x¡¢y¡¢z¡¢m¾ùΪintÐͱäÁ¿£¬ÔòÖ´ÐÐÏÂÃæÓï¾äºóµÄmÖµÊÇ( )¡£

w=1;x=2;y=3; z=4; m=(w

A.1 B.2 C.3 D.4

(33) ÈôÊäÈëB,ÒÔϳÌÐòµÄÔËÐнá¹ûΪ ( )¡£

main()

{ char grade;

scanf(\ switch(grade)

{ case 'A': printf(\ case 'B':

case 'C': printf(\ case 'D': printf(\ default: printf(\

}

A. >=85 B. >=60 C. >=60 D. error.

<60

error.

(34) Ñ¡Ôñ³öiµÄÕýÈ·½á¹û( )¡£

int i=10; switch(i) {

case 9: i++; case 10: i+=1; case 11:i++; default: i+=1; }

A. 10 B. 11 C. 12 D. 13

(35) Èô w = 1, x = 2, y=3, z=4, ÔòÌõ¼þ±í´ïʽ w>x? w : y

(36) ÓÐÈçϳÌÐò

main()

{ float x=2.0,y; if(x<0.0) y=0.0;

else if(x<5.0) y=1.0/x; else y=1.0;

printf(\}

¸Ã³ÌÐòµÄÊä³ö½á¹ûÊÇ( )

)

A 0.000000 B 0.250000 C 0.500000 D 1.000000

(37) ÈôiΪintÐÍ,ÇÒÓгÌÐòÈçÏÂ,ÔòÊä³ö½á¹ûÊÇ( )

i=322;

if(i%2==0) printf(\else printf(\

A . #### B.**** C. ####**** D.ÓÐÓï·¨´íÎó, ÎÞÊä³ö½á¹û

(38) ÓгÌÐòÈçÏÂ,ÈôÓɼüÅÌÊäÈë70,ÔòÊä³ö½á¹ûÊÇ( )

{int n;

scanf(\

if(n>=90) printf(\

else if(n>=80) printf(\ else if(n>=60) printf(\ else printf(\

}

A. A B. B C. C D. D

(39) ÒÔϳÌÐò¶ÎÊä³öΪ( )¡£ int a=1,b=2,c=3; if(a>b)a=b, b=c; c=a;

printf(\

A. a=1 b=2 c=1 B.a=1 b=2 c=3 C.a=1 b=3 c=1 D.a=2 b=3 c=2 (40) ÇëÎʶÁÒÔϳÌÐò£º

main()

{int a=5,b=0,c=0;

if(a=b+c)printf(\ else printf(\

}

ÒÔÉϳÌÐò( )¡£

A. ÓÐÓï·¨´í²»ÄÜͨ¹ý±àÒë B.¿ÉÒÔͨ¹ý±àÒ뵫²»ÄÜÁ¬½Ó C. Êä³ö&&& D. ### (41) ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ( )

main()

{ int x=2,y=-1,z=2; if(x

if(y<0) z=0; else z+=1; printf(\£Ün\

}

A. 0 B. 1 C. 2 D. 3 (42) ÒÔϳÌÐòµÄÔËÐнá¹ûÊÇ( )

main()

{int x£¬y£¬z£»

x=0;y=1;z=3£» x=++y<=x||x+y!=z; printf(\£¬%d\£¬y);

}

A. 0,1 B. 1,2 C. 0,2 D. 1,1 (43) ÒÔϳÌÐòµÄÔËÐнá¹ûÊÇ£¨ £©¡£

main()

{if(2*1==2<2*2==4) printf(\£» else

printf(\£» }

A.## B.** C.##** D.¶¼²»¶Ô £¨44£©ÒÔϳÌÐòµÄÔËÐнá¹ûÊÇ£¨ £©¡£

main() {int a£¬b;

int i=5£¬j=7£¬k=0; a=!k; b=i!=j;

printf(\£¬a£¬b); }

A. a=1,b=1 B.a=1,b=2 C.a=2,b=1 (45) ÒÔϳÌÐòµÄÔËÐнá¹ûÊÇ£¨ £©¡£

main()

{int a,b£¬c£¬d£» a=c=0; b=1£» d=20£» if(a)d=d-10; else if(!b)

if(! c)d=15; else d=25; printf(\£¬d)£»

}

A.22 B.19 C. 20 (46) ÈôÔËÐÐʱÊäÈë:3 5 /<»Ø³µ>£¬ÔòÒÔϳÌÐòµÄÔËÐнá¹ûÊÇ£¨main()

{float x£¬y; char o£»

double r;

scanf(\£¬&x,&y,&o)£» switch(o)

{case '+':r=x+y;break; case '-':r=x-y;break;

D.a=1,b=3 D.21 ¡£

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