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// 1491. Average Salary Excluding the Minimum and Maximum Salary
#include <float.h>
#include <stdio.h>
/*
* given an array of unique integers 'salary' where 'salary[i]' is the salaray
* of the i'th employee. return the average salary of employees excluding the
* minimum and maximum salary. answer within 10^-5 of actual answer
*/
double average(int *salary, int salary_size) {
double max = DBL_MIN, min = DBL_MAX, sum = 0;
for (int i = 0; i < salary_size; i++) {
sum += salary[i];
if (salary[i] < min)
min = salary[i];
if (salary[i] > max)
max = salary[i];
}
sum = sum - min - max;
return sum / (salary_size - 2);
}
int main() {
int s1[] = {4000, 3000, 1000, 2000};
int s2[] = {1000, 2000, 3000};
printf("%f\n", average(s1, 4)); // expect: 2500.00000
printf("%f\n", average(s2, 3)); // expect: 2000.00000
}
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