24. Data Transmission

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

void convert_to_big_endian(uint32_t value, uint8_t arr[4]) {
    // extract the nible, get mask of 8 
    uint8_t mask = ((1U << 8) -1);
    for (int i = 0; i < 4; i++){ 
        uint8_t extracted = 0; 
        extracted = ((value >>(24 - (8 * i))) & mask); 
        arr[i] = extracted;
    }
    // 
}

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;
}