24. Data Transmission

#include <stdio.h>
#include <stdint.h>
#define MASK 0xFF
void convert_to_big_endian(uint32_t value, uint8_t arr[4]) {
   
   for( int i = 0; i < 4; i++)
   {
    arr[ i ] = (value >> 24 - (i*8) ) & MASK;
   }
   /*arr[ 0 ] = (value >> 24) & MASK;
   arr[ 1 ] = (value >> 16) & MASK;
   arr[ 2 ] = (value >> 8) & MASK;
   arr[ 3 ] = (value >> 0) & MASK;*/
}

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;
}