Convert Decimal Number to Binary or Hex Without itoa function

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

void print_base(uint16_t num, uint8_t base) {
    // Your logic here
    char result[32];
    int i = 0;

    if(num == 0)
    {
        printf("0");
        return;
    }

    while(num > 0)
    {
        uint8_t rem = num % base;

        if(rem < 10)
            result[i] = rem + '0';
        else
            result[i] = rem - 10 + 'A';

        num = num / base;
        i++;
    }

    for(int j = i-1; j >= 0; j--)
        printf("%c", result[j]);
    
}

int main() {
    uint16_t num;
    uint8_t base;
    scanf("%hu %hhu", &num, &base);

    print_base(num, base);
    return 0;
}