C Programming (Turbo C++ Compiler) - Calculate Median
I have given the simple C program for calculating median for a set of numbers. The other related linkes are,
Calculate Mean
Calculate Median
Calculate Mode
Calculate Range
Calculate Variance
Calculate Standard Deviation
Source Code
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
float CalculateMedian(float *arrValue, int max)
{
float median = 0;
float value[100];
int i, j;
float temp;
if(max > 100)
return 0;
for(i = 0; i < max; i++)
value[i] = arrValue[i];
for(i = 0; i < max; i++)
{
for(j = 0; j < max - i - 1; j++)
{
if(value[j] > value[j + 1])
{
temp = value[j];
value[j] = value[j + 1];
value[j + 1] = temp;
}
}
}
if( (max % 2) == 1)
{
median = value[ (max + 1) / 2 - 1];
}
else
{
median = (value[max / 2] + value[max / 2 - 1]) / 2;
}
return median;
}
int main()
{
float arrNumbers[100];
int i, max;
float median;
char buf[1024];
printf("Total Number of Elements: ");
scanf("%d", &max);
for(i = 0; i < max; i++)
{
printf("Enter [%d] Number: ", i + 1);
scanf("%f", &arrNumbers[i]);
}
printf("Total Numbers: %d\n", max);
median = CalculateMedian(arrNumbers, max);
printf("Median: %f", median);
return 0;
}
Output
Total Number of Elements: 10
Enter [1] Number: 6
Enter [2] Number: 7
Enter [3] Number: 8
Enter [4] Number: 7
Enter [5] Number: 6
Enter [6] Number: 5
Enter [7] Number: 2
Enter [8] Number: 2
Enter [9] Number: 9
Enter [10] Number: 3
Total Numbers: 10
Median: 6.000000
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