Find Top 3 Largest Values in an Array

Code

#include <stdio.h>
#include <stdint.h>
void swap (uint8_t* a,uint8_t* b){
      uint8_t tmp=*a;
      *a=*b;
      *b=tmp;
}

void sort (uint8_t* arr,uint8_t n){
       for (int i=0;i<n-1;i++){
         for(int j=0;j<n-1-i;j++){
            if (arr[j]<arr[j+1]){
                swap(&arr[j],&arr[j+1]);
            }
         }
       }
}
void find_top_3(uint8_t *arr, uint8_t n) {
    // Your logic here
    sort(arr,n);

    if (n<3){
        for (int i=0;i<n;i++){
            printf("%d ",arr[i]);
        }
    }
    else {
        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