Data Transmission

Code

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

void convert_to_big_endian(uint32_t value, uint8_t arr[4]) {
    // Your code here
    // for (int i = 0; i < 32; i += 8)
    // {
    //     int k = 3;
    //     uint32_t mask = ((1 << 8) - 1) << i;
    //     arr[k - i/8] = (value & mask) >> i;
    // }
    for (int i = 0; i < 4; i++)
        arr[3 - i] = (value >> (i * 8)) & 0xFF;
}
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