1.cpp

csdn的C语言大赛自己的答案。各位大侠如果有空

#include "1.h"

int Init_arry(Arry &L)
{
    if((L.elem = (double *)malloc(LISTINIT*sizeof(double))) == NULL)
       return -1;
    L.listsize = LISTINIT;   
    L.length = 0;
    return 1;
    }//Init_arry


int Add_arry(Arry &L, int n)
{
    L.listsize += n;
    if(((double *)realloc( L.elem ,n ))==NULL)              //追加存储单元 
                return 0;
    return 1;
    
    }//add_arry 

double Caculate( Arry L_A , Arry L_B ,int u ,int v ,int k, int n)
{
    double result = 0;
    int i;
    for(i = 0 ; i < k ; i++)
    {
        result += L_A.elem[u * k  + i] *
                 L_B.elem[i * n  + v];
          }//for
    
    return result;
    }