Welcome to the Sorting and Searching MCQs Page
Dive deep into the fascinating world of Sorting and Searching with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Sorting and Searching, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Sorting and Searching, 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 Sorting and Searching. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.
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Sorting and Searching MCQs | Page 20 of 24
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a)
boolean swapped = false;
for(int j=arr.length-1; j>=0 && swapped; j--)
{
swapped = true;
for(int k=0; k<j; k++)
{
if(arr[k] > arr[k+1])
{
int temp = arr[k];
arr[k] = arr[k+1];
arr[k+1] = temp;
swapped = false;
}
}
}
b)
boolean swapped = true;
for(int j=arr.length-1; j>=0 && swapped; j--)
{
swapped = false;
for(int k=0; k<j; k++)
{
if(arr[k] > arr[k+1])
{
int temp = arr[k];
arr[k] = arr[k+1];
arr[k+1] = temp;
}
}
}
c)
boolean swapped = true;
for(int j=arr.length-1; j>=0 && swapped; j--)
{
swapped = false;
for(int k=0; k<j; k++)
{
if(arr[k] > arr[k+1])
{
int temp = arr[k];
arr[k] = arr[k+1];
arr[k+1] = temp;
swapped = true;
}
}
}
d)
boolean swapped = true;
for(int j=arr.length-1; j>=0 && swapped; j--)
{
for(int k=0; k<j; k++)
{
if(arr[k] > arr[k+1])
{
int temp = arr[k];
arr[k] = arr[k+1];
arr[k+1] = temp;
swapped = true;
}
}
}a)
public static void quickSort(int[] arr, int low, int high)
{
int pivot;
if(high>low)
{
pivot = partition(arr, low, high);
quickSort(arr, low, pivot-1);
quickSort(arr, pivot+1, high);
}
}
b)
public static void quickSort(int[] arr, int low, int high)
{
int pivot;
if(high<low)
{
pivot = partition(arr, low, high);
quickSort(arr, low, pivot-1);
quickSort(arr, pivot+1, high);
}
}
c)
public static void quickSort(int[] arr, int low, int high)
{
int pivot;
if(high>low)
{
pivot = partition(arr, low, high);
quickSort(arr, low, pivot);
quickSort(arr, pivot, high);
}
}
d) None of the mentioneda)
private static int partition(int[] arr, int low, int high)
{
int left, right, pivot_item = arr[low];
left = low;
right = high;
while(left > right)
{
while(arr[left] <= pivot_item)
{
left++;
}
while(arr[right] > pivot_item)
{
right--;
}
if(left < right)
{
swap(arr, left, right);
}
}
arr[low] = arr[right];
arr[right] = pivot_item;
return right;
}
b)
private static int partition(int[] arr, int low, int high)
{
int left, right, pivot_item = arr[low];
left = low;
right = high;
while(left <= right)
{
while(arr[left] <= pivot_item)
{
left++;
}
while(arr[right] > pivot_item)
{
right--;
}
if(left < right)
{
swap(arr, left, right);
}
}
arr[low] = arr[right];
arr[right] = pivot_item;
return right;
}
c)
private static int partition(int[] arr, int low, int high)
{
int left, right, pivot_item = arr[low];
left = low;
right = high;
while(left <= right)
{
while(arr[left] > pivot_item)
{
left++;
}
while(arr[right] <= pivot_item)
{
right--;
}
if(left < right)
{
swap(arr, left, right);
}
}
arr[low] = arr[right];
arr[right] = pivot_item;
return right;
}
d)
private static int partition(int[] arr, int low, int high)
{
int left, right, pivot_item = arr[low];
left = low;
right = high;
while(left > right)
{
while(arr[left] > pivot_item)
{
left++;
}
while(arr[right] <= pivot_item)
{
right--;
}
if(left < right)
{
swap(arr, left, right);
}
}
arr[low] = arr[right];
arr[right] = pivot_item;
return right;
}Suggested Topics
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