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C's egg pain

1.ÊäÈëÒ»¶Î×Öĸ¼ÓÊý×ֵľä×Ó£¬È»ºóÊä³öÆäÖÐÓм¸×éÊý×Ö£¬²¢ÇÒÊä³ö¸÷×éÊý×Ö£¬²¢¶ÔÆäÇóƽ¾ùÖµ£¨È¡Õû¼´¿É£©
#include<stdio.h>
#include<math.h>
int main()
{
int i,x=0,t=0,n=0,p=0;
char a[90]={0};
scanf("%s",a);
printf("Found:");
for(i=0;i<90;i++)
{
if(a[i]>=48&&a[i]<=57)
{

if(a[i+1]>=48&&a[i+1]<=57)
printf("%d",a[i]-48);
else
printf("%d ",a[i]-48);
if(t==0)
n++;
t=1;
}
else
t=0;
}
printf("\nTotal:%d\n",n);
for(i=89;i>=0;i--)
{
if(a[i]>=48&&a[i]<=57)
{
x+=(a[i]-48)*pow(10,p);
p++;
t=1;
}
else
p=0;
}
printf("Average:%d\n",x/n);
return 0;

}

2.Á¬ÐøÊäÈëÊ®¸öÊý×Ö£¬²¢ÇÒÿÊäÈëÍêÒ»¸ö¶¼½«ÊäÈëµÄÊý×Ö²åÈëÊý×飬²¢ÇÒÅÅÐòÊý×飬Êä³öµ±Ç°Êý×éµÄÔªËØ
#include<stdio.h>
int main()
{
int t,i,j;
int a[10]={0};
for(i=0;i<10;i++)
{
scanf("%d",&a[i]);
for(j=0;j<=i;j++)
{
if(a[i]<a[j])
{
t=a[i];
a[i]=a[j];
a[j]=t;
}
}
for(j=0;j<=i;j++)
printf("%d ",a[j]);
printf("\n");
}
return 0;
}


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±ê×¼ C I/O

   ±ê×¼ C I/O
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clearerr() Çå³ý´íÎó
fclose() ¹Ø±ÕÒ»¸öÎļþ
feof() Èç¹ûµ½´ïÎļþβ(end-of-file)·µ»Ø"True"(Õæ)
ferror() ¼ì²éÒ»¸öÎļþ´íÎó
fflush() ÊéдÊä³ö»º´æµÄÄÚÈÝ
fgetc() ´ÓÁ÷»ñÈ¡Ò»¸ö×Ö·û
fgetpos() »ñÈ¡ÎļþλÖÃÖ¸Õë
fgets() ´ÓÒ»¸öÁ÷»ñÈ¡Ò»´®×Ö·û
fopen() ´ò¿ªÒ»¸öÎļþ ......

C treeviewÖнڵãÕ¹¿ªÎÊÌâ

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111
       a
            a1
       b
            b1
       c
&n ......

C/C++ static µÄ×÷ÓÃ

ת×Ô£ºhttp://blog.csdn.net/xiaocai0001/archive/2006/04/14/662921.aspx
static¹Ø¼ü×ÖÊÇC, C++Öж¼´æÔڵĹؼü×Ö, ËüÖ÷ÒªÓÐÈýÖÖʹÓ÷½Ê½, ÆäÖÐÇ°Á½ÖÖÔÚC/C++ÓïÑÔÖÐʹÓÃ, µÚÈýÖÖÖ»ÔÚC++ÖÐʹÓÃ(C,C++ÖоßÌåϸ΢²Ù×÷²»¾¡Ïàͬ, ±¾ÎÄÒÔC++Ϊ׼).
(1)¾Ö²¿¾²Ì¬±äÁ¿
(2)Íⲿ¾²Ì¬±äÁ¿/º¯Êý
(3)¾²Ì¬Êý¾Ý³ÉÔ±/³ÉÔ±º¯Êý
ÏÂÃæ¾ÍÕâÈ ......

C±ê×¼¿â

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1 ÊäÈëÓëÊä³ö
1.1 Îļþ²Ù×÷
1.1.1 fopen
1.1.2 freopen
1.1.3 fflush
1.1.4 fclose
1.1.5 remove
1.1.6 rename
1.1.7 tmpfile
1.1.8 tmpnam
1.1.9 setvbuf
1.1.10 setbuf
1.2 ¸ñʽ»¯Êä³ö
1.2.1 fprintf
1.2.2 printf
1.2.3 sprintf
1.2.4 snprintf
1.2.5 vprintf
1.2.6 vfprintf
1.2.7 vsprintf ......

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