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;
    uint8_t pos = 0;    //Initializing pos var
    for (uint8_t i = 0; i < 4; i++){
        pos = (((4-i-1)*8)); 
        mask = (((1U << 8)-1U) << pos);
        arr[i] = ((value & mask) >> pos);
    }
}

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;
}