Find Top 3 Largest Values in an Array

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

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

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;
}