c语言2011-06改错填空编程(含答案)

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1、#includevoidmain(){intm,n,k;for(m=1;m<10;m++)for(n=1;/**/n<10/**/;n++){k=/**/m*10+n+n*10+m/**/;if(k==99)printf("M=%dN=%d",m,n);}getch();}#includevoidmain(){intx,na,nb,nc;na=nb=/**/nc=0/**/;printf("Pleaseinputintegernumber,endwith0:

2、");scanf("%d",&x);while(x){if(x<0)/**/++na/**/;else++nb;if(abs(x%/**/10/**/)==3)++nc;printf("Pleaseinputintegernumber,endwith0:");scanf("%d",&x);}printf("na=%dnb=%dnc=%d",na,nb,nc);getch();}#include#includevoidmain(){inti,j;inta

3、[5][5],sum;/**/sum=0/**/;printf("Pleaseinput25numbers:");for(i=0;i<5;i++)for(j=0;j<5;j++){scanf("%d",&a[i][j]);if(/**/j==4/**/)sum+=a[i][j];}printf("%.5f",/**/1.0*sum/5/**/);getch();}#include#defineN10voidmain(){inta[N]={21,56,-9,0,3,17,1

4、8,5,-23,11};inti,j,/**/temp/**/;for(i=N-1;i>=1;i--){for(j=0;j<=/**/i-1/**/;j++){if(/**/a[j]>a[j+1]/**/){temp=a[j];a[j]=a[j+1];a[j+1]=temp;}}}printf("Sortednumbers:");for(i=0;ivoidmain(

5、){structstudent{charname[10];floatscore;};structstudentstu[5]={"Mary",76.1,"John",87.3,"Tom",81,"susa",87.8,"wilu",79};inti=0,k=0;/**/floatmax=stu[0].score/**/;for(i=0;i<5;i++)if(stu[i].score>max){max=/**/stu[i].score/**/;/**/k=i/**/;}printf("name:%

6、s,score:%.2f",stu[k].name,stu[k].score);getch();}#include/**/#define/**/N10intfind(inta[],intx){inti;for(/**/i=0/**/;i

7、umbertobesearched:");scanf("%d",&f);f_at=find(a,f);if(f_at>=0)printf("%disfound,it'sat%d",f,f_at);elseprintf("Notexist.");getch();}#includevoidmain(){inti,s[9];floataver;printf("Pleaseinputsampler:");for(i=0;i<9;i++)scanf("%d",&s[i]);av

8、er=((float)/**/(s[7]+s[8])/**/)/2;for(i=0;i<9;i++)if(s[i]voidmain(){charstr[100];int/**/i,j/**/;printf("Inputstring:");gets(str);for(i=j=0;str[i]!='';i++){if(str[i]!='b'){st