prog-ArrayFromFile

#include "stdafx.h"

int _tmain(int argc, _TCHAR* argv[])
{
    int N=10,i=0,*mas;
    FILE *f;
    fopen_s(&f,"massiv.txt","rt");
    if (f==NULL) {
        printf("Error in file!");
        return -1;
    }
    mas = (int *) malloc(sizeof(int)*N);
    while (!feof(f))
    {
        int val=0;
        fscanf_s(f,"%d",&mas[i++]);
        if (i==N)
        {
            N+=5;
            mas=(int *) realloc(mas, sizeof(int)*N);
        }
    }
    for (int k=0; k<i-1; k++)
        printf ("%d\t", mas[k]);
    fclose(f);
    printf("It's OK!\n");