Find Top 3 Largest Values in an Array

Code

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

void find_top_3(uint8_t *arr, uint8_t n) {
    // Your logic here
    uint8_t first = 0, second = 0, third = 0;
    uint8_t count = 0;

    for (uint8_t i = 0; i < n; i++) {
        uint8_t current = arr[i];
        
        if (current > first) {

            third = second;
            second = first;
            first = current;
        }
        else if (current > second) {

            third = second;
            second = current;
        }
        else if (current > third) {

            third = current;
        }
    }
    if (n >= 1) count++;
    if (n >= 2) count++;
    if (n >= 3) count++;
    

    if (count >= 1) printf("%d ", first);
    if (count >= 2) printf("%d ", second);
    if (count >= 3) printf("%d", third);


}

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;
}

Solving Approach

 

 

 

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Input

6 10 90 20 80 70 30

Expected Output

90 80 70