Find Top 3 Largest Values in an Array

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

void find_top_3(uint8_t *arr, uint8_t n) {
    int a = -1,b=-1,c=-1;
    for(int idx = 0;idx < n;idx++)
    {
        if(arr[idx] > a)
        {
            c = b;
            b = a;
            a = arr[idx];
        }
        else if(arr[idx] > b)
        {
            c = b;
            b = arr[idx];
        }
        else if(arr[idx] > c)
        {
            c = arr[idx];
        }
    }
    if(n >= 3)
        printf("%d %d %d",a,b,c);
    else if(n == 2)
    printf("%d %d",a,b);
    else
    printf("%d",a);
    // Your logic here
}

int main() {
    uint8_t n;
    scanf("%hhu", &n);
    uint8_t arr[100];

    for (uint8_t i = 0; i < n; i++) {
        scanf("%hhu", &arr[i]);
    }

    find_top_3(arr, n);
    return 0;
}