Find Top 3 Largest Values in an Array

Code

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

void sort_array_desc(uint8_t *arr, uint8_t n) {
    // Sort in descending order
    for(int i = 0; i < n - 1; i++) {
        for(int j = 0; j < n - i - 1; j++) {
            if(*(arr + j) < *(arr + j + 1)) {
                *(arr + j) = *(arr + j) ^ *(arr + j + 1);
                *(arr + j + 1) = *(arr + j) ^ *(arr + j + 1);
                *(arr + j) = *(arr + j) ^ *(arr + j + 1);
            }
        }
    }
}

void find_top_3(uint8_t *arr, uint8_t n) {
    // Your logic here
    sort_array_desc(arr, n);
    if(n < 3) {
        for(int i = 0; i < n; i++) {
            printf("%d ", *(arr + i));
        }
    }
    else {
        for(int i = 0; i < 3; i++) {
            printf("%d ", *(arr + i));
        }
    }
}

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;
}
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Input

6 10 90 20 80 70 30

Expected Output

90 80 70