Data Transmission

Code

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

void swap(uint8_t *a, uint8_t *b){
    int temp = *a;
    *a = *b;
    *b = temp;
}
void reverse(uint8_t*arr, uint32_t n){
    uint8_t left = 0, right = n-1;
    while(left<right){
        swap(&arr[left],&arr[right]);
        left++;
        right--;
    }
}
void convert_to_big_endian(uint32_t value, uint8_t arr[4]) {
    // Your code here
    uint32_t mask = 0xFF;
    for(int i=0;i<4;i++){
        arr[i] = value & mask;
        value >>= 8;
    }
    reverse(arr,4);
}

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;
}

Solving Approach