120. Convert Integer to Hex String Without sprintf or itoa functions

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

void print_hex(uint16_t num) {
    // Your logic here
    uint8_t nip;
    uint16_t hex[10]= {0};
    char constuct;
    int i=0;
    if(num ==0) 
    {
    printf("%d",num); 
    return;
    }

    for(i=0; num>0 ;i++)
    {
    
    nip = num;
    num= num >> 4;
    nip = nip << 4;
    nip = nip >> 4;
   
    if(nip >= 0 && nip <= 9 )
    hex[i] = nip + '0';
    else if( nip >=10 && nip <= 15)
    hex[i] = nip +'A' - 10;
    }

    for(int j=i-1; j>=0 ; j--)
    {
        printf("%C",hex[j]);
    }
    


}

int main() {
    uint16_t num;
    scanf("%hu", &num);
    print_hex(num);
    return 0;
}