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24 changes: 24 additions & 0 deletions MirrorInverse
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
package hacktoberfest;

public class MirrorInverse {
//Function that returns true if the array is mirror-inverse
static boolean isMirrorInverse(int arr[])
{
for (int i = 0; i<arr.length; i++) {
//If condition fails for any element
if (arr[arr[i]] != i)
return false;
}
//Given array is mirror-inverse
return true;
}

public static void main(String[] args)
{
int arr[] = { 3, 2, 1, 0 };
if (isMirrorInverse(arr))
System.out.println("Yes");
else
System.out.println("No");
}
}