24. Data Transmission

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

void convert_to_big_endian(uint32_t value, uint8_t arr[4]) {
    uint16_t high_nibble, low_nibble;
    high_nibble = (value >> 16) & 0xFFFF;
    low_nibble = value & 0xFFFF;

    arr[0] = (high_nibble >> 8) & 0xFF;
    arr[1] = high_nibble & 0xFF;
    arr[2] = (low_nibble >> 8) & 0xFF;
    arr[3] = low_nibble & 0xFF;
}

int main() {
    uint32_t value;
    uint8_t arr[4];
    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;
}