Consider the following pseudocode for constructing the reverse of an input string: for each position of the string starting at the end working backwards append the character at that position to the reverse of the string. which is the correct for loop header for this pseudocode? a. for (int i = input. length() - 1; i > = 0; . for (int i = 0; i < = input. length() - 1; i++)c. for (int i = input. length(); i > 0; . for (int i = input. length() - 1; i > 0;