C語言程序填空題及答案

1、精心整理程序填空題1、# iiiclude<stdio.h> voidmain() nitn,k=O;scanfC%d "，&n);wlule(1 ) l)n2)n!=0;k#；2; n=n/10 pnntf(n%dirk);2、# iiiclude<stdio.h># iiiclude<math.h>#definef(x)x*x-5 *x+siii(x) voidmain() nitx;floatmax;1/max=f( 1);foi(x=2;x<=10;x+)2/if(f(i)>max)max=f(i);pnntf(H%fn

2、 ,max);3、# iiiclude<stdio.h>voidmain()chaic;c=getchai();lf(1)/c>=F & & C V Pc=c 十 5;elseif(c>= ，v,&&c<='z )，2/c=c-21;putchai(c);精心整理5、# iiiclude<stdio.h>voidDec2Bin(mtm)intbin32J;foi(j=0;m!=0;j+)bmj= 1 ;/m % 2m=m/2;foi(;j!=0;j-)printf( ,%dH, 2 );/binj-lvoidma

3、in()intn;scanfC%d ” ,&n);Dec2Bm(n);5、# iiiclude<stdio.h># iiiclude<math.h>voidmain()intn,s=O;scanfC%d ” ,&n);1 /n=(n>0?n:-n) ；2)n=fabs(n);while(n!=0)2 /s=S+n %10 ；n=ii/10;phntf( ” n” ,s);6、/#include<stdio.h>voidswap(_ 1 ) /int*pa3nt*pb/* 交換兩個數(shù)的位置*/liittemp;temp=*pa;*pa=*

4、pb;*pb=temp;voidmain()精心整理inta,b,c,temp; scanf(H%d%d%dn,&a,&b,&c); if(a>b) swap(&a 、 &b); if(b>c)swap(&b 、 &c);if( 2 )/a>bswap(&a 、 &b); printf( M%d,%d,%dM ,a,b,c);7、# iiiclude<stdio.h>1 /Iongf(intn) ；voidmainOpnntf(H%ldnn,f(30);longf(intn)if( 2 ) /

5、n=llln=2return 1;elsereuunf<n-l)+f(n-2);8、# iiiclude<stdio.h>voidmain()chars8O;inti,j;gets(s);foi(i=j=0; 1 ;i+)/si!= ,0,if(si!=C)sU=si ；2/j #;sj=W ；puts(s);9、精心整理# iiiclude<stdio.h>stmctSTUDENTcharname16;liitmath;mtenglish;intcomputei;intaveiage;voidGetAverage(stmctSTUDENT*pst)/* 計算平均

6、成績 */intsum=0;sum=1; /sum+pst->math+pst->English+pst->computerpst->avei age=suni/3;voidmain()inti;structSTUDENTst4= "Jessica ,98,95,90,“Mike ” ,80,80,90, “ Linda ” ,87,76,70HP,etern,90,100,99;foi(i=0;i<4;i+)GetAverage( 2) ;/& sti pnntf( nNametMathtEnglishtComputAveiageii n);f

7、oi(i=0;i<4;i+)pnntf(n%st%dt%dt%dt%dii n,sti .name,sti .math,sti .english, sti .computer,sti .average);10、# iiiclude<stdio.h># iiiclude<math.h>longf(longn)longm.y=0;m=fabs(n);while(m!=0)v=y*10+m%10;_ 1 _/m=m/10;if(n>=O)ietuiny;else 2 _/return(-y);精心整理voidmainO pnmfC%ld 化 、 f(? 34567

8、);12、# iiiclude<stdio.h>floatf(float,float*,mt);voidmain()floatb5= 1.1,2.2,33,4.4,5.5 ;printf( ” n” ,f(1.7,b,5);floatf ( 1 )/floatx ?floata3ntnfloatv=a0,t=l ;mti;fbiXi=l;i<n;i-H-)t=t*x;y=y+ai*t;2 /returny12、# iiiclude<stdio.h># iiiclude<strmg.h># iiiclude<ctype.h>voidf(cli

9、ar*s)inti=O;while(si!= ,0,)if(isdigit(si ) _1 _ (s+i,s+i+1);/strcpy_ 2 _ i 十十 ; /elsevoidmain()cliarsti8O;gets(str);f(str);puts(str);13、# iiiclude<stdio.h># iiiclude<ctvpe.h>voidmain()cliara8O;intn3=O,i;gets(a);1 /fbr(i=O;ai!=AO ,;i+)if(tolo wer(a i)>='a'&&tolower(a i)

10、<='z')/* 統(tǒng)計字母個數(shù)*/n0#;elseif( 2 ) /* 統(tǒng)計數(shù)字個數(shù)*/ai>=*0 ?&&niv=9nl#;else精心整理n2+;fbT(n” ,ni);14、# iiiclude<stdio.h># iiiclude<math.h>voidmainOinti ?a,b,c;foi(i=100;i<=999;i+)a=i/100; 1/b=i% 100/10;c=i%10;if( 2 )/i 二二 a*a*a+b*b*b+c*c*cpnntf("%disaAimstiongnumber!ii'i);15、# iiiclude<stdio.h>voidmain()inta10,b10,i;pnntf(,'iiliiput 1 Onumbers:");for(i=0;i< 10