if(k!
=i)
{temp=/**/a[k]/**/;
a[k]=a[i];
a[i]=temp;
}
}
}
voidmain()
{
inta[]={50,25,88,32,2,65,7,64};
inti,n=sizeof(a)/sizeof(int);
sort(a,n);
for(i=0;iprintf("%d",a[i]);
printf("\n");
getch();
}
#include
#include/**//**/
doublef(doublex)
{doubley;
y=/**/7.7*x*x+10.3*x+6.6/**/;
return(y);
}
voidmain()
{doublex,y1,y2;
printf("Pleaseinputx:
");
scanf("%lf",&x);
y1=f(/**/x+1.1/**/);
y2=f(sin(x));
printf("\nf(x+1.1)=%.3lf",y1);
printf("\nf(sinx)=%.3lf",y2);
getch();
}_
#include
#include
intcount(/**/chars[]/**/)
{
intn=0;
char*p=/**/s/**/;
while(*p)
{if(*p=='a')n++;
/**/p++/**/;
}
returnn;
}
voidmain()
{
chars[255];
printf("Enterastring:
");
gets(s);
printf("Countofais:
%d\n",count(s));
getch();
}
#include"stdio.h"
#defineROW3
#defineCOL4
voidmain()
{inta[ROW][COL]={2,11,3,5,7,24,8,9,16,10,18,66};
intb[ROW][COL]={1,9,5,12,6,11,13,2,15,7,25,56};
intc[/**/ROW/**/][COL],i,j;
for(i=0;ifor(j=0;j
c[i][j]=/**/a[i][j]-b[i][j];/**/
for(i=0;i{for(j=0;j**/COL/**/;j++)
printf("%5d",c[i][j]);
printf("\n");
}
getch();
}
#include
unsignedlongfun(unsignedlongn)
{
unsignedlongx=0;intt=0;
while(n)
{t=n%10;
if(t%2==/**/1/**/)
x=/**/10*x/**/+t;
n=n/10;
}
returnx;
}
voidmain()
{
unsignedlongn=-1;
while(n>99999999||n<0)
{
printf("Pleaseinput(0");
scanf("%ld",&n);
}
printf("\nTheresultis:
%ld\n",fun(n));
getch();
}
#include
voidmain()
{inta,b,temp;
printf("a,b=");
scanf("%d,%d",&a,&b);
if(a
{temp=a;
a=b;
/**/temp=b;/**//*改:
b=temp;*/
}
while(--a>b)
{if(/**/(a%2)/**/)/*改:
!
(a%2)或改:
a%2==0*/
printf("%5d",a);
}
getch();
}
#include
/**/voidfun(intn)/**/改:
doublefun(intn)
{doubley=0.0;
inta=2,b=1,c,k;
for(k=1;k<=n;k++)
{/**/y+=(Double)a/b;/**/改:
y+=(double)a/b;
c=a;
/**/a=b/**/;改:
a=a+b
b=c;
}
returny;
}
voidmain()
{printf("fun(5)=%lf\n",fun(5));
getch();
}
#include
voidmain()
{/**/inta=10;num,mark;/**/改:
inta=10,num,mark;
charop,es;
printf("InputanExpression:
a");
scanf("%c%c%d",&op,&es,&num);
mark=0;
if(es=='=')
{/**/swich/**/(op)改:
switch
{case'+':
a=a+num;break;
case'-':
a=a-num;break;
case'*':
a=a*num;break;
case'/':
if(num)a=a/num;
elsemark=1;
break;
default:
mark=1;
}
}
else
mark=1;
if(!
mark)
printf("a=%d\n",a);
else
printf("Error!
\n");
getch();
}
#include
intfun(int*x,inty)
{intt;
t=*x;
/**/x=y;/**/改:
*x=*y;
/**/return(y);/**/改:
return(t);
}
voidmain()
{intx=6,y=8;
printf("%d,%d\n",x,y);
y=fun(&x,y);
printf("%d,%d\n",x,y);
getch();
}
#include
#include
voidmain()
{/**/characterstr[100];/**/改:
charstr[100];
intnumber,u_letter,l_letter,i;
number=u_letter=l_letter=0;
printf("Pleaseinputstring:
");
gets(str);
/**/i=1;/**/改:
i=0;
while(str[i])
{if(str[i]>='0'&&str[i]<='9')
number++;
/**/elseif(str[i]>='A'||str[i]<='M')/**/改:
elseif(str[i]>='A'&&str[i]<='M')
u_letter++;
elseif(str[i]>='n'&&str[i]<='z')
l_letter++;
i++;
}
printf("number=%d,u_letter=%d,l_letter=%d\n",number,u_letter,l_letter);
getch();
}
#include
#include
voidmain()
{chars[20]="international51",t[20];
chartab[5][2]={{'c','h'},{'i','a'},{'a','b'},{'e','g'},{'l','p'}};
inti,j=0;
/**/strcmp(t,s);/**/改:
strcpy(t,s);
while(t[j])
{for(i=0;/**/i<=3/**/;i++)改:
i<=5
if(t[j]==tab[i][0])
{/**/t[j]=tab[i];/**/改:
t[j]=tab[i][1];
break;
}
j++;
}
printf("\nThesourestring:
%s\n",s);
printf("\nThetargetstring:
%s\n",t);
getch();
}
#include
voidmain()
{/**/inti=1,n=1;/**/改:
inti=1,n=0;
do
{if(i%3==2&&/**/i%5=3/**/)改:
i%5==3
{printf("%5d",i);
n++;
if(!
(n%5))
printf("\n");
}
i++;
}/**/while(i<1000)/**/改:
while(i<1000);
getch();
}
#include
voidfun(char*p,char*b)
{inti,k=0;
while(*p)
{i=1;
while(i<=4&&*p)
{/**/b[k]=p;/**/改:
b[k]=*p;
k++;
p++;
i++;
}
if(*p)
{/**/b[k++]="";/**/改:
b[k++]=32;
}
}
b[k]='\0';
}
voidmain()
{chara[80],b[80];
printf("Enterastring:
");
gets(a);
printf("Theoriginalstring:
");
puts(a);
fun(a,b);
printf("\nThestringafterinsertspace:
");
puts(b);
printf("\n");
getch();
}
#include
voidmain()
{/**/intn,i,bk;/**/改:
intn,i,bk,j;
printf("Inputanum(1-9):
");
scanf("%d",&n);
for(i=1;i<=n;i++)
{for(bk=1;bk<=n;bk++)
printf("");
for(j=1;/**/j<=i+1/**/;j++)改:
j<=i
printf("%d",i);
printf("\n");
}
for(i=1;i<=n;i++)
{for(bk=1;bk<=i;bk++)
printf("");
for(j=1;j<=n-i+1;j++)
printf("%d",n-i+1);
printf(/**/"/n"/**/);
}
getch();
}
#include
voidmain()
{intr,m,n,p,q;
printf("Enterm,n:
");
scanf("%d,%d",&m,&n);
p=m;q=n;
/**/r=m/n;/**/改:
r=m%n;
while(/**/r==0/**/)改:
r或r!
=0
{m=n;
n=r;
r=m%n;
}
printf("gcd(%d,%d)=%d\n",p,q,n);
getch();
}
#include
#include
doublefun(doublex,doubley)
{/**/
return(7.7*x+6.9*y)/(fabs(2.3*y+1.3*x));
/**/
}
voidmain()
{printf("fun(1.1,0.2)=%6.3lf\n",fun(1.1,0.2));
getch();
}
#include
intfun(intx,inta[],intn,intb[],intc[])
{/**/
inti,k,nb=0,t;
for(i=0;iif(a[i]>x){c[nb]=b[nb]=a[i];nb++;}
for(i=0;ifor(k=i+1;kif(c[i]returnnb;
/**/
}
voidmain()
{intn=10,i,x,nb;
intaa[10]={32,-5,-31,-10,25,50,12,15,-16,18};
intbb[10],cc[10];
clrscr();
printf("Pleaseinputx:
");
scanf("%d",&x);
printf("Countofarrayaa:
%3d\n",n);
printf("Elementofarrayaa:
");
for(i=0;iprintf("\n");
nb=fun(x,aa,n,bb,cc);
printf("Elementofarraybb:
");
for(i=0;iprintf("\n");
printf("Elementofarraycc:
");
for(i=0;iprintf("\n");
printf("Countofarraybb:
%3d\n",nb);
getch();
}
#include
#include
doublefun1(doublex)
{/**/
return(7.8-sin(x))/(exp(x)+0.3);
/**/
}
voidmain()
{printf("fun1(2.5)=%6.3lf\n",fun1(2.5));
getch();
}
#include
#include
voidfun(char*s,chart[])
{/**/
inti,j=0
for(i=0;s[i];i++)
if(i%2&&s[i]%2)t[j++]=s[i];
t[j]=’\0’;
/**/
}
voidmain()
{
chars[100],t[100];
printf("\nPleaseenterstrings:
");
scanf("%s",s);
fun(s,t);
printf("\nTheresultis:
%s\n",t);
getch();
}
#include
#include
doublefun(floatx)
{/**/
doubley;
if(x<2)y=fabs(1.02*x-1.36);
if(x==2)y=exp(x)+pow(x,3);
if(x>2)y=cos(x);
returny;
/**/
}
voidmain()
{floatx;
printf("Pleaseinputanumber:
");
scanf("%f",&x);
printf("fun(%.2f)=%.2lf\n",x,fun(x));
getch();
}
#include
#include
voidfun(inta,intb,long*c)
{/**/
intx1,x2,x3,x4;
x1=a/10;x2=a%10;
x3=b/10;x4=b%10;
*c=1000*x4+100*x2+10*x3+x1
/**/
}
voidmain()
{
inta,b;
longc;
printf("Inputa,b:
");
scanf("%d,%d",&a,&b);
fun(a,b,&c);
printf("Theresultis:
%ld",c);
getch();
}
#include
#include
doublefun(floatx)
{/**/
doubley;
if(x<5)y=fabs(x-5.6);
if(x==5)y=x;
if(x>5)y=x*x-10.2;
returny
/**/
}
voidmain()
{floatx;
printf("Pleaseinputanumber:
");
scanf("%f",&x);
printf("fun(%.2f)=%.2lf\n",x,fun(x));
getch();
}
#include
floatfun(intn)
{/**/
floats=0,p=0;
inti;
for(i=1;i<=n;i++)
{p+=2*i-1;
s+=i/p;
}
returns;
/**/
}
voidmain()
{
intn;
floats;
printf("Pleaseentern=");
scanf("%d",&n);
s=fun(n);
printf("\nTheresultis:
%.3f",s);
getch();
}
#include
#include
doublefun(doublex)
{/**/
doubley;
y=1.0/2*(2.3*x+(4.6-x)/(x+6.2));
returny;
/**/
}
voidmain()
{printf("fun(1.6)=%6.3lf\n",fun(1.6));
getch();
}
#include
#defineN3
voidfun(inta[N][N],intn)
{/**/
for(i=0;i
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