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) {

    uint8_t top_n = 3;
    if (n < top_n){
        top_n = n;
    }

    uint8_t prev_max = -1;

    while(top_n--){
        uint8_t loop_max = arr[0];
        for (int i = 1; i < n; i++){
            if ((arr[i] > loop_max) && (arr[i] < prev_max)){
                loop_max = arr[i];
            }
        }
        prev_max = loop_max;
        printf("%hhu ", loop_max);
    }
}

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