How to Find all subsequences with sum equals to K
[Question] : In a given array find all possible sequence whose sum is certain number: For example:- [4,8,4] Target Sum = 8 So Output will be [4,4] [8]
Recursion
recursion code examples in swift language.
Multilevel recursion in swift
Here we will discuss two level recursion in swift. If there is statement before the recursive function it will print in sequence & vice versa. Here is example code with print statement –
How to Generate subarrays using recursion
[Question]: We haveGiven an array, generate all the possible subarrays of the given array using recursion for example :
How to reverse an array using recursion ?
[Question] : Reverse array using recursion Example: [1,2,3] = [3,2,1]. Approach #1 using two variables : – // Approach#2: Using single pointer/variable so we written base case which blocks on n/2, we are just increasing the element by +1 on every recursion till half of the array.
How to print n times using recursion
So here we have used recursion The names which is before function will print FIFO & vice versa
Recursion examples in swift
A function which calls itself in the body & solve the problem is called recursion. we will take some example to understand #1 Print numbers from 1 to N Because Print is before recursion function it will print 1 to n #2 Print numbers from N to 1 #3 Sum of first N numbers #4 …