#include <stdio.h>
#include <stdlib.h>
#define MINSIZE 1750000

unsigned int arr_from_file(FILE *file, double *values){
    double input;
    unsigned int i;
    double *new_numbers;
    values = (double *) malloc (MINSIZE*sizeof(double));
    for (i = 1; (!feof(file)); i++) {
        fscanf(file, "%lf\n", &input);
        if (values != NULL){
           if (MINSIZE<i) {
                new_numbers = (double *) realloc (values, i*sizeof(double));
                values = new_numbers;
            }
            values [i-1] = input;
        }
        else {
            printf("ALLOCATION ERROR");
            free(values);
            exit(1);
        }
    }
    return i-1;
}

int main(){
    FILE *file = fopen("тут был путь к .txt", "rt");
    unsigned int i, max;
    double values[1];
    max = arr_from_file(file, &values[0]);
    printf("%d\n", max);
    for (i = 0; i<=max; ++i) {
        putchar('p');
        printf("%f\n", values[i]);
        putchar('v');
    }

    return 0;
}