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#include <stdio.h>
#include <malloc.h>
main()
{
    long int i,n=72000;
    float fudianku,*pointerr=&fudianku;
    FILE*fp1=fopen("D:\\1.dat","r");
    FILE*fp2=fopen("D:\\2.dat","w");
    float *p=(float*)malloc(72000*sizeof(float));
    clrscr();
    if (p==NULL) 
    {
        printf("pnot enough memory\n");
        /*exit(1);*/
    }
    printf("ffff\n");
    if (fp1==NULL) printf("cannot find the file\n");
    for (i=0;i <n;i++)
    {
        fscanf(fp1,"%f",&p[i]);
    }
    for (i=0;i <n;i++)
    {
        fprintf(fp2,"%f\n",p[i]);
    }

    printf("%f\n",p[0]);
    fclose(fp1);
    fclose(fp2);
    free (p);
   
    while(!getch());
}
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