TheAlgorithms-C/misc/QUARTILE.c

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main()
{
	int a[10], n, i, j, temp;
	float q1, q3, iqr;

	printf("Enter no. for Random Numbers :");
	scanf("%d", &n);
	for (i = 0; i < n; i++)
	{
		a[i] = rand() % 100;
	}
	printf("Random Numbers Generated are :\n");
	for (i = 0; i < n; i++)
	{
		printf("\n%d", a[i]);
	}
	printf("\n");
	printf("\nSorted Data:");
	for (i = 0; i < n; i++)
	{
		for (j = 0; j < n; j++)
		{
			if (a[i] < a[j])
			{
				temp = a[i];
				a[i] = a[j];
				a[j] = temp;
			}
		}
	}
	for (i = 0; i < n; i++)
	{
		printf("\n%d", a[i]);
	}
	q1 = a[n / 4];
	printf("\nFirst Quartile : %f", q1);
	q3 = a[(3 * n) / 4];
	printf("\nThird Quartile : %f", q3);
	iqr = q3 - q1;
	printf("\nInterQuartile Range is : %f", iqr);

	return 0;
}