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 mask0 = 0xFF000000;
    uint32_t mask1 = 0x00FF0000;
    uint32_t mask2 = 0x0000FF00;
    uint32_t mask3 = 0x000000FF;
    arr[0] = (uint8_t)((value & mask0)>>24);
    arr[1] = (uint8_t)((value & mask1)>>16);
    arr[2] = (uint8_t)((value & mask2)>>8);
    arr[3] = (uint8_t)((value & mask3)>>0);
    return ;

}

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;
}