1. Say my input is "ab". When "str.length()==0" evaluates true for the first time, "ab" is printed. The str.length is already 0, how can the recursion proceed with "char ch = str.charAt(i)"? The str seems to magically restore itself back to "ab" after each permutation gets printed. Why?
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My questions regarding the recursion part:
1. Say my input is "ab". When "str.length()==0" evaluates true for the first time, "ab" is printed. The str.length is already 0, how can the recursion proceed with "char ch = str.charAt(i)"? The str seems to magically restore itself back to "ab" after each permutation gets printed. Why?
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- In C programming language Question (Strings) Write a function find_Substring() that finds a substring into a string. Pass array s1 and s2 to this function and prints if the substring is present or not. Expected Output 1: Enter string This is a javascript Enter substring script The substring is present Expected Output 2: Enter string This is a javascript Enter substring Jscript The substring is not presentPYTHON CODING This function takes a list of points and then returns a new list of points, which starts with the first point that was given in the list, and then followed by points closest to the start point. Here is the function that needs to be created: def solution_path(points) : # insert code here return path Please use any of the following function to develop the solution_path function Distance function - calculates the distance between two points def distance(p1, p2) : distance = sqrt (((p1 [0] - p2 [0]) **2) + ((p1 [1] - p2 [1]) **2)) return (distance) Find_closest function - calculates the closest point to the starting point def find_closest(start_point, remaining_points): closest_distance = 99999 for coordinate in remaining_points: dist = distance(start_point, coordinate) if(dist < closest_distance): closest_distance = dist closest_point = coordinate return closest_point Path_distance function -…Soundex System Soundex is a system that encodes a word into a letter followed by three digtis that roughly describe how the word sounds. That is, similar sounding words have similar four-character codes. For instance, the words carrot and caret are both coded as C123. A slight variation of the Soundex coding algorithm is as follows: 1. Retain the first letter. 2. For the remaining letters, delete all occurrences of a, e, i, o, u, h, y, and w. 3. Replace the letters that remain with numbers so that (a) b, f, p, and v become 1 (b) c, g, j, k, q, s, x, and z become 2 (c) d and t both become 3 (d) l (that is, el) becomes 4 (e) m and n become 5 (f) r becomes 6 4. If the result contains two adjacent identical digits, eliminate the second of them. 5. Keep only the first four characters of what you have left. If you have fewer than four, then add zeros on the end to make the string have length four. Write a program that carries out the algorithm. See Fig. 6.86.
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