Find Top 3 Largest Values in an Array

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

void swp(uint8_t *arr, size_t a, size_t b){
    uint8_t temp = *(arr+a);
    *(arr+a) = *(arr+b);
    *(arr+b) = temp;
}

void sort_array(uint8_t *arr, uint8_t n) {
    // Your logic here
    for (size_t i=0; i<n; i++){
        for (size_t j=0; j<(n-i)-1;j++){
            uint8_t left = *(arr+j);
            uint8_t right = *(arr+j+1);
            if (left > right){
                swp(arr, j, j+1);
            }
        }
    }
}

void find_top_3(uint8_t *arr, uint8_t n) {
    sort_array(arr, n);
    if (n >= 3){
        printf("%lu %lu %lu", arr[n-1], arr[n-2], arr[n-3]);
    } else if (n == 2){
        printf("%lu %lu", arr[n-1], arr[n-2]);
    } else if (n == 1){
        printf("%lu", arr[n-1]);
    }
}

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;
}