In the following function, how many recursive calls are there? void towers(char source, char dest, char help, int numDisks) { if(numDisks<1) } { return; } else { towers(source,help,dest,numDisks-1); cout << "Move disk from " << source << " to " << towers(help,dest,source,numDisks-1); O AO OB) 1 OC) 2 OD) 3

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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In the following function, how many recursive calls are there?
towers(char source, char dest, char help, int numDisks)
if(numDisks<1)
void
{
}
{
return;
}
else
{
}
towers(source,help,dest,numDisks-1);
cout << "Move disk from " << source << " to " <<
towers(help,dest,source,numDisks-1);
OA) O
OB) 1
OC) 2
OD) 3
Transcribed Image Text:In the following function, how many recursive calls are there? towers(char source, char dest, char help, int numDisks) if(numDisks<1) void { } { return; } else { } towers(source,help,dest,numDisks-1); cout << "Move disk from " << source << " to " << towers(help,dest,source,numDisks-1); OA) O OB) 1 OC) 2 OD) 3
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