Get Maximum Difference Of Two Element In Array

This program calculate maximum difference between two  element of array
Example:

5,6,9,4,12,8,10,3,11

In this set of number
difference between 12 and 3 is maximum 9

public class max_diff_in_array {

public static void main(String[] args) {

int arr[]={5,6,9,4,12,8,10,3,11};
int max=0;
int x=0,y=0;
for (int i = 0; i < arr.length; i++) {
for (int j = i+1; j < arr.length; j++) {

int diff= Math.abs(arr[i]-arr[j]);
//System.out.println(diff);
if(max<diff)
{
max=diff;
x=i;
y=j;
}
}
}

System.out.println(“max=”+max+”x=”+arr[x]+”y=”+arr[y]);

}
}

2 comments

  1. You can also sort the array at first. Then try to subtract first and last element. In this way time complexity is the same as your sort algorithm

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