result the elements of the array can be given as finallyarrange the elements of the array in single column and sort the column result finallythe elements of the array can be given as the algorithm to sort an array of elements using shell sort is shown in fig in the algorithmwe sort the elements of the array arr in multiple passes in each passwe reduce the gap_size (visualize it as the number of columnsby factor of half as done in step in each iteration of the for loop in step we compare the values of the array and interchange them if we have larger value preceding the smaller one shell_sort(arrnstep set flag gap_size step repeat steps to while flag or gap_size set flag step step set gap_size (gap_size step repeat step for to ( gap_sizestep if arr[ gap_sizearr[iswap arr[ gap_size]arr[iset flag step end figure algorithm for shell sort