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C/C++ code:
/*C language class exercise*/
#include<stdio.h>
#include<stdlib.h>
typedef struct link_list/*½¨Á¢Ò»¸öÁ´±í£¬³ÉÔ±ÊÇѧÉúµÄ³É¼¨£¬Ñ§ºÅ£¬ÈýÃſγ̵ijɼ¨ ÒÔ¼°ÈýÃſγ̳ɼ¨µÄºÍ*/
{
char name[10];
int code;
float math;
float english;
float physical;
float total_all;
struct link_list *next;
} *pointer,link;/*ÉùÃ÷ÁËÁ½¸öÐÂÀàÐÍÃû£¬Ò»¸öÊÇÖ¸Õ룬һ¸öÊÇÀàÐÍÃû*/
int main (void)
{
float english_total=0.0,math_total=0.0,physical_total=0.0;/*ÉùÃ÷´¢´æÃ¿Ã¿ÃſγÌËùÓгɼ¨ºÍµÄ±äÁ¿*/
pointer first,start,end;/*ÉùÃ÷Èý¸öÖ¸ÕëÓÃÓÚ½¨Á¢Á´±íºÍÅÅÐò*/
int i;/*Ñ»·¿ØÖƱäÁ¿*/
start=(pointer)malloc(sizeof(link));/*ÉêÇë¿Õ¼ä£¬½¨Á¢Á´±í*/
start->next=NULL;/*ÈÃÁ´±íµÄµØÖ·ÓòÖ¸Ïò¿Õ*/
printf("Please input all number: name code math english physical");
for (i=0;i<10;i++)
{
end=(pointer)malloc(sizeof(link));/*Ñ»·ÊäÈëÿ¸ö½ÚµãµÄÖµ*/
printf("number:[%d] ",i+1);
scanf("%s %d %f %f %f",&end->name,&end->code,&end->math,&end->english,&end->physical);
end->total_all=(end->english)+(end->math)+(end->physical);/*¼ÆËãÿ¸öͬѧµÄ³É¼¨×ܺÍÓ
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struct hostent *hp;
char AlarmDevIP[20];
int x2;
hp = gethostbyname("www.google.com");
if (hp)
{
......
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#include "stdlib.h"
#include "math.h"
#include "stdio.h"
float objfx(float x[]);
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