文档介绍：09年12月26日填空题131#include<>#include<>voidmain(){/**/int/**/a,b,temp;scanf("%d,%d",&a,&b);if(a<b){/**/temp=a;a=b;b=temp;/**/}while/**/(--a>b)/**/{if(a%3==0)printf("%d",a);}printf("\n");getch();}141#include<>voidmain(){intm,n;for(m=1;/**/m<=5;/**/m++){printf("\n");for(n=1;n<=/**/m-1;/**/n++)printf(/**/""/**/);for(n=9;n>=m*2-1;n--)printf("*");}getch();}151#include<>#include<>voidmain(){intnum1,num2,ans,flag;charop;clrscr();printf("Pleaseinputanexpression:");scanf("%d%c%d",/**/&num1,&op,&num2/**/);flag=0;/**/switch(op)/**/{case'+':ans=num1+num2;break;case'-':ans=num1-num2;break;case'*':ans=num1*num2;break;case'/':ans=num1/num2;break;default:{printf("Error!\n");flag=1;}}if/**/(!flag)/**/printf("%d%c%d=%d\n",num1,op,num2,ans);getch();}161#include<>#include<>voidmain(){charstr[80];charc;inti;/**/i=0;/**/printf("\nPleaseinputthestring:");while((c=getchar())!='\n'){if(c>='A'&&c<='Z'||c>='a'&&c<='z')/**/str[i++]=c;/**/}str[i]=/**/'\0';/**/puts(str);getch();}171#include<>#include<>voidmain(){/**/char/**/str[80];inti,len,sum=0;printf("\nPleaseinputthestring:");gets(str);len=strlen(str);for(i=0;i<len;i++){if(str[i]>='A'&&str[i]<='Z'||str[i]>='a'&&str[i]<='z')/**/continue;/**/else/**/sum++;/**/}printf("%d\n",sum);getch();}181#include<>#include<>voidmain(){chars1[100],s2[100];inti,len;printf("Pleaseinputstring:\n");gets(s1);len=strlen(s1);for(i=0;i<len;i++){if(s1[i]>='1'&&s1[i]<='9')/**/s2[i]=s1[i]-1;/**/elseif(s1[i]=='0')/**/s2[i]='9';/**/elses2[i]=s1[i];}s2[i]=/**/'\0'/**/;puts(s2);getch();}132#include<>doublefun(/**/intn/**/){doubley=;inti,j;for(i=1;i<=n;i++){y=y+/**//(8+3*i)/**/;}return(/**/y/**/);}voidmain(){clrscr();printf("fun(7)=%\n",fun(7));getch();}142#include<>main(){voidfun(int);intv=300;fun(/**/v/**/);getch();}voidfun(intm){intc1,c2;for(c1=1;/**/c1<=30/**/;c1++){for(c2=1;c2<=15;c2++)if(c1*10+c2*20==/**/m/**/)printf("c1=%d,c2=%d\n",c1,c2);}}152#include<>#includ