For each element selected in subsequent levels of the recursion, create a new "prefix" with the selected element appended to the one passed in. Somehow keep track of the fact that this element has ...

"Given a string, write a function that uses recursion to output a list of all the possible permutations of that string.\n", "* For each character in the initial string, set aside that character and ...

Coding examples emplemented using recursion Design an algorithm to print all permutations of a string. For simplicity, assume all character are unique. ... The lexicographic permutations of 0, 1 and 2 ...