Divide and conquer min max
#include<stdio.h>
#include<stdio.h>
int max, min;
int a[100];
void maxmin(int i, int j)
{
int max1, min1, mid;
if(i==j)
{
max = min = a[i];
}
else
{
if(i == j-1)
{
if(a[i] >a[j])
{
max = a[i];
min = a[j];
}
else
{
max = a[j];
min = a[i];
}
}
else
{
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;
}
}
}
int main ()
{
int i, num;
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 ("Minimum element in an array : %d\n", min);
printf ("Maximum element in an array : %d\n", max);
return 0;
}
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