Remaining array element after repeated removal of the smallest element from pairs with absolute difference of 2 or 0 | Function to find the last remaining array element after repeatedly removing the smallest from pairs having absolute difference 2 or 0 ; Sort the given array in ascending order ; Traverse the array ; If difference between adjacent elements is not equal to 0 or 2 ; If operations can be performed ; Driver Code
function findLastElement ( arr , N ) { arr . sort ( ) ; let i = 0 ; for ( i = 1 ; i < N ; i ++ ) { if ( arr [ i ] - arr [ i - 1 ] != 0 && arr [ i ] - arr [ i - 1 ] != 2 ) { document . write ( " " + " " ) ; return ; } } document . write ( arr [ N - 1 ] + " " ) ; } let arr = [ 2 , 4 , 6 , 8 , 0 , 8 ] ; let N = arr . length ; findLastElement ( arr , N ) ;