Code
#include<stdio.h>
int qiuhe(int jinpai,int yinpai,int tongpai);
void main()

{

    int he;

    he=qiuhe(51,34,21);

    printf("%d",he);

}
int qiuhe(int jinpai,int yinpai,int tongpai)

{

 return jinpai+ yinpai+ tongpai;

}
/*int jinpaishu1;//China  integer

    int jinpaishu2;//USA

    int jinpaishu[3]={51,34,21};

    int jinpai;

    int i=0,sum=0;

    printf("hello c!\n");

    printf("北京\n");

    printf("2008");

        scanf("%d%d",&jinpaishu1,&jinpaishu2);

    if(jinpaishu1>jinpaishu2)

        printf("中国赢\n");

    else

        printf("美国赢\n");

scanf("%d",&jinpai);

    switch(jinpai)

    {

        case 1: printf("%d\n",jinpaishu[0]);break;

        case 2: printf("%d\n",jinpaishu[1]);break;

        case 3: printf("%d\n",jinpaishu[2]);break;

        default: printf("错误");

    }

     do

     {

        sum =sum+ jinpaishu[i];

        i++;

     }

     while(i<=2);

     for(i=0;i<=2;i++)

     {    

         sum =sum+ jinpaishu[i];

     }

    

      printf("总数为%d\n",sum);


    int jiangpaishu[2][2]={49,19,34,37};

    int i,j,sum=0;

    for(i=0;i<2;i++)

    {

      for(j=0;j<2;j++)

        sum+=jiangpaishu[i][j];

    }

    printf("sum:%d",sum);*/