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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
    uint8_t top_arr[3]= {arr[0],arr[0],arr[0]};
    for(int i=1;i<n;i++){
        if(top_arr[0] < arr[i]){
            top_arr[2] = top_arr[1];
            top_arr[1] = top_arr[0];
            top_arr[0] = arr[i];
        } else if(top_arr[1] < arr[i]){
            top_arr[2] = top_arr[1];
            top_arr[1] = arr[i];
        }else if(top_arr[2] < arr[i]){
            top_arr[2] = arr[i];
        }
    }
    n = (n<3)?n:3;
    for(int i = 0;i<n;i++){
        printf("%d ",top_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