Search for a pair
while ( i < size && j < size ) { if ( i != j && arr [ j ] - arr [ i ] == n ) { document . write ( " " + arr [ i ] + " " + arr [ j ] + " " ) ; return true ; } else if ( arr [ j ] - arr [ i ] < n ) j ++ ; else i ++ ; } document . write ( " " ) ; return false ; }