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Maximum and Minimum using Divide and Conquer

Submitted on: 4/16/2009 8:32:07 AM
By: Y. Jayarathina Madharasan  
Level: Beginner
User Rating: By 2 Users
Compatibility: C
Views: 24717
(About the author)
     Find the maximum and minimum of elements using Divide and Conquer
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// Name: Maximum and Minimum using Divide and Conquer
// Description:Find the maximum and minimum of elements using Divide and Conquer
// By: Y. Jayarathina Madharasan
//This code is copyrighted and has// limited warranties.Please see details.//**************************************

// By
int max, min;
int a[100];
void maxmin(int i, int j)
	int max1, min1, mid;
		max = min = a[i];
		if(i == j-1)
			if(a[i] <a[j])
				max = a[j];
				min = a[i];
				max = a[i];
				min = a[j];
			mid = (i+j)/2;
			maxmin(i, mid);
			max1 = max;	min1 = min;
			maxmin(mid+1, j);
			if(max <max1)
				max = max1;
			if(min > min1)
				min = min1;
void main ()
	int i, num;
	printf ("\n\t\t\tMAXIMUM & MINIMUM\n\n");
	printf ("\nEnter the total number of numbers : ");
	scanf ("%d",&num);
	printf ("Enter the numbers : \n");
	for (i=1;i<=num;i++)
		scanf ("%d",&a[i]);
	max = a[0];
	min = a[0];
	maxmin(1, num);
	printf ("Maximum element in an array : %d\n", max);
	printf ("Minimum element in an array : %d\n", min);

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