part 1. draw the recursive call tree for the following function when its called with a(7)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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part 1. draw the recursive call tree for the following function when its called with a(7) 

int a (int n) {

if (n % 4== 0) {

return n+1;}

else {

return a(n-1) + a (n*4);

}

}

part 2. what is the returning value? 

 

Expert Solution
Step 1

Here in the given function, it will recursively call a(n-1) +a(n*4) untill the condition (n%4==0) is satisfied. 

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