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
    for(int i=0; i<n; i++)
    {
        for(int j=0; j<n-1; j++)
        {
            int var = *(arr+j);
            if(var < *(arr+(j+1)))
            {
                // printf("*(arr+j)=%d *(arr+(j+1))=%d \n",*(arr+j),*(arr+(j+1)));
                *(arr+j) = *(arr+(j+1));
                *(arr+(j+1)) = var;
                // printf("*(arr+j)=%d *(arr+(j+1))=%d \n",*(arr+j),*(arr+(j+1)));
            }
        }
    }
    for(int k=0; k<3; k++)
    {
        if(k>=n) break;
        printf("%d ",*(arr+k));        
    }
    printf("\n");

}

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