24. Data Transmission

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

void convert_to_big_endian(uint32_t value, uint8_t arr[4]) {
    // Your code here
    uint32_t mask = 0;
    mask = (mask | (1 << 8)) - 1;

    for (int i = 0; i < 4; i++) {

        arr[i] = ((value & (mask << (32 - ((i + 1) * 8)))) >> (32 - ((i + 1) * 8)));
    }
}

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;
}