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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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#include "math.h"
#include "stdio.h"
float objfx(float x[]);
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