MAX-MIN SUM

maxminsum.c

// problem at https://www.hackerrank.com/challenges/mini-max-sum

// Simply sort the elements and add the first 4 elements for min
// and the last 4 for the max

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main() {
    int *arr = malloc(sizeof(int) * 5);
    long int sum_max = 0 ;
    long int sum_min = 0 ;
    for(int arr_i = 0; arr_i < 5; arr_i++){
       scanf("%d",&arr[arr_i]);
    }
    
    // Bubble sort; can use a better sorting algorithm
    for(int i = 0 ; i < 5 ; i ++){
        for(int j = 0 ; j < 4 ; j++){
            if(arr[j] > arr[j+1]) {
                long temp = arr[j] ;
                arr[j] = arr[j+1] ;
                arr[j+1] = temp ;
            }
        }
    }
    
    for(int i = 0 ; i < 4 ; i++){
        sum_min += arr[i] ;
        sum_max += arr[i+1] ;
    }
    
    printf("%ld %ld\n",sum_min,sum_max) ;   
    return 0;
}