For better understanding, please have a look at the below image.Īs you can see in the above image, the fun function taking some parameter ‘n’ and if n>0, then there are some statements inside the if block, and further if you notice the last statement it is calling itself by a reduced value of n. After that call there is nothing, it is not performing anything, so, it is called tail recursion. If a function is calling itself and that recursive call is the last statement in a function then it is called tail recursion. The following is an example of Tail Recursion. We have already seen the example of tail recursion in our previous articles. Also, we will try to compare the recursion with the loop and see the time and complexity, and then we will make the decision whether we need to use the Recursive function or should we go with looping. Note: We will discuss each of the above recursion with examples as well as we will also see the differences between.
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