Which of following recursive C++ functions correctly computes a[0]+a[1]+...+a[n-1] (where n is the size of array a) ? Question 50 options: int sum(int n, int a[] ){ return n>0? sum(n-1) + a[n] : a[0]; } int sum(int n, int a[] ){ return n>0? sum(n-1, a) + a[n-1] : a[0]; } int sum(int n, int a[] ){ return sum(n-1, a) + a[n-1] ; } int sum(int n, int a[] ){ return n>0? sum(n-1) + a[n-1] : a[0]; } int sum(int n, int a[] ){ return n>0? sum(n-1, a) + a[n] : a[0]; }

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Answered: Which of following recursive C++…

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

Section: Chapter Questions

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Which of following recursive C++ functions correctly computes a[0]+a[1]+...+a[n-1] (where n is the size of array a) ?

Question 50 options:

	int sum(int n, int a[] ){ return n>0? sum(n-1) + a[n] : a[0]; }
	int sum(int n, int a[] ){ return n>0? sum(n-1, a) + a[n-1] : a[0]; }
	int sum(int n, int a[] ){ return sum(n-1, a) + a[n-1] ; }
	int sum(int n, int a[] ){ return n>0? sum(n-1) + a[n-1] : a[0]; }
	int sum(int n, int a[] ){ return n>0? sum(n-1, a) + a[n] : a[0]; }

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