Files

/*read 3 nod frm file and output som to other file*/

#include<stdio.h>
#include<stdlib.h>


main()
{
    int i,no,sum=0;
    FILE *f1,*f2;
//  char abcd[50];
    f1=fopen("in.txt","r");
    f2=fopen("out.txt","w");

    for(i=0;i<5;i++)
    {
        fscanf(f1,"%d",&no);
        sum+=no;
    }

    printf("\nthe sum is %d",sum);

    fprintf(f2,"the sum is %d",sum);
    printf("\noutput written to file out.txt\n");
    fclose(f1);
    fclose(f2);


}