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
    if (n<3){
        if (n==1)
            printf("%d",arr[0]);
        else{
            printf("%d ",arr[0]>arr[1]?arr[0]:arr[1]);
            printf("%d",arr[0]<=arr[1]?arr[0]:arr[1]);
        }
    }

    else{
        for (uint8_t i=0;i<3;i++){
            uint8_t max=i;
            for (uint8_t j=i+1;j<n;j++){
                if (arr[j]>arr[max])
                    max=j;
            }
            if (max!=i){
                uint8_t temp=arr[i];
                arr[i]=arr[max];
                arr[max]=temp;
            }
        }

        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;
}

Solving Approach

 

 

 

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Input

6 10 90 20 80 70 30

Expected Output

90 80 70