24. Data Transmission

#include <stdio.h>
#include <stdint.h>

void convert_to_big_endian(uint32_t value, uint8_t arr[4]) { 
    for(int i = 3 ; i>=0 ; i--){
        for(int j = 0 ; j<8 ; j++){
         int  bit = (value >> (8*(3-i) + j)) & 1;
            arr[i] |= bit <<j  ; 
        }
        ++pos; 
    }
}

int main() {
    uint32_t value;
    uint8_t arr[4]  = {0};
    scanf("%u", &value);
    convert_to_big_endian(value, arr);
    for (int i = 0; i < 4; i++) {
        printf("%u", arr[i]);
        if(i<3){
            printf(" ");
        }
    }
    return 0;
}