Welcome to the Recursion MCQs Page
Dive deep into the fascinating world of Recursion with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Recursion, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Recursion, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.
Check out the MCQs below to embark on an enriching journey through Recursion. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Recursion. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Recursion MCQs | Page 4 of 18
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#include<stdio.h>
#include<string.h>
void reverse_string(char *s)
{
int len = strlen(s);
int i,j;
i=0;
j=len-1;
while(i < j)
{
char tmp = s[i];
s[i] = s[j];
s[j] = tmp;
i++;
j--;
}
}
int main()
{
char s[100] = "reverse";
reverse_string(s);
printf("%s",s);
return 0;
}#include<stdio.h>
#include<string.h>
void reverse_string(char *s)
{
int len = strlen(s);
int i,j;
i=0;
j=len-1;
while(i < j)
{
char tmp = s[i];
s[i] = s[j];
s[j] = tmp;
i++;
j--;
}
}
int main()
{
char s[100] = "abcdefg";
char t[100];
strcpy(t,s);
reverse_string(s);
if(strcmp(t,s) == 0)
printf("Yes");
else
printf("No");
return 0;
}#include<stdio.h>
#include<string.h>
void reverse_string(char *s)
{
int len = strlen(s);
int i,j;
i=0;
j=len-1;
while(i < j)
{
char tmp = s[i];
s[i] = s[j];
s[j] = tmp;
i++;
j--;
}
}
int main()
{
char s[100] = "rotator";
char t[100];
strcpy(t,s);
reverse_string(s);
if(strcmp(t,s) == 0)
printf("Yes");
else
printf("No");
return 0;
}Which of the following lines should be inserted to complete the below code?
void recursive_reverse_string(char *s, int left, int right)
{
if(left < right)
{
char tmp = s[left];
s[left] = s[right];
s[right] = tmp;
_________;
}
}#include<stdio.h>
#include<string.h>
void recursive_reverse_string(char *s, int left, int right)
{
if(left < right)
{
char tmp = s[left];
s[left] = s[right];
s[right] = tmp;
recursive_reverse_string(s, left+1, right-1);
}
}
int main()
{
char s[100] = "recursion";
int len = strlen(s);
recursive_reverse_string(s,0,len-1);
printf("%s",s);
return 0;
}#include<stdio.h>
#include<string.h>
void recursive_reverse_string(char *s, int left, int right)
{
if(left < right)
{
char tmp = s[left];
s[left] = s[right];
s[right] = tmp;
recursive_reverse_string(s, left+1, right-1);
}
}
int main()
{
char s[100] = "madam";
int len = strlen(s);
recursive_reverse_string(s,0,len-1);
printf("%s",s);
return 0;
}#include<stdio.h>
int cnt = 0;
int recursive_search_num(int *arr, int num, int idx, int len)
{
int cnt = 0;
if(idx == len)
return cnt;
if(arr[idx] == num)
cnt++;
return cnt + recursive_search_num(arr, num, idx+1, len);
}
int main()
{
int arr[8] ={0,0,0,0,3,5,-6,7},num = 0,len = 8;
int ans = recursive_search_num(arr,num,0,len);
printf("%d",ans);
return 0;
}Suggested Topics
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