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 largest = 0;
    uint8_t middle = 0;
    uint8_t smallest = 0;

    for(int i = 0; i < n; i++){
        if(arr[i] > largest){
            smallest = middle;
            middle = largest;
            largest = arr[i];
        }
        else if(arr[i] > middle){
            smallest = middle;
            middle = arr[i];
        }
        else if(arr[i] > smallest){
            smallest = arr[i];
        }
    }

    if(largest != 0) {printf("%u ", largest);}
    if(middle != 0) {printf("%u ", middle);}
    if(smallest != 0) {printf("%u\n", smallest);}
  
}

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