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



int DecimalToBinary(int dec,char s[])
{
    int bin[1000] = {};     // array to store binary number

    int i = 0;
    while (dec > 0) {       //calculating the binary
        bin[i] = dec % 2;   //storing remainder
        dec = dec / 2;
        ++i;
    }

    // printing binary in 8 bit & reverse order
    int bits = 8;
    if (i > 8) {
        bits = 8 * ((i + 7) / 8);
    }
    int n;
    for (int j = bits - 1; j >= 0; j--) {
      n+= sprintf(&s[n],"%d",bin[j]);
    }

    return dec;;
}

int main() {

    int line = 5000000;
    char* byte;
    char *byte1;
    char len[line];
    FILE *text = fopen("text.txt", "rb");
    if (!text) {
        printf("Error of file opening.\n");
        return 1;
    }
    fseek(text, 0, SEEK_END);
    int text_lenght = ftell(text);
    fseek(text, 0, SEEK_SET);
    printf("Количетсво символов в тексте:\n%d\n", text_lenght);
    byte = malloc(sizeof(char*) + 1);
    memset(byte, 0, 8);
    char c = getc(text);
    int i = 0;
    while (!feof(text)) {
        int k = (int) c;
        DecimalToBinary(k,&byte[i]);
        i++;
        c = getc(text);
    }
    for(int k=text_lenght;k>=0;k--){
        printf("%s\n",&byte[k]);
    }

    return 0;
}