Heap sort Input (Standard input) The number of input keys N (1 ≤...

Question
Heap sort
Input (Standard input)
The number of input keys N (1 ≤ N ≤ 100,000), and an integer k are given (1 ≤ k ≤ 30) in the first line
In the next N lines, a key is given in each line.
Output (Standard output)
In the first line, print k biggest elements in decreasing order.
In the second line, print the heap after extracting k biggest elements.

Finding Same Keys
Input (Standard input)
In the first line, the number of input keys N and M (1≤N, M≤100000) are given where N is the number of keys in set A and M is the number of keys in set B. The keys in set A are given in the second line and the keys in set B are given in the third
line.
Output (Standard output)
print the number of keys both in A and B.

Priority queue
Input (Standard input)
Each line of input consists of at most three integers.
If the first integer is 0, print the output and terminate the program.
If the first integer is 1, insert the second integer.
If the first integer is 2, extract the maximum number from the priority queue.
If the first integer is 3, substitute the third integer for the element indexed by the second number. After the modification, the heap structure must be restored.
Assume that the smallest index of the priority queue is 1.
Output (Standard output)
In the first line, print the extracted elements.
In the second line, print the current heap.
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int main()
{
int N, k, i, parent, child, tmp;
int *heap;
scanf("%d %d", &N, &k);
heap = (int*)malloc(N * sizeof(int));
for (i = 0; i < N; i++)
{
scanf("%d", &heap[i]);
}

//heap sort
for (i =0; i < N; i++)
{
child = i; // set the size of sorted part of the heap
while (child > 0)
{
parent = (child - 1) / 2;
if (heap[child] > heap[parent]) // Create Heap, swap if child is > than parent
{
tmp = heap[child];
heap[child] = heap[parent];
heap[parent] = tmp;
}
child = parent;
}
}
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        • 17. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 18. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
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        1.44mstwenty4_siteHomeworkLibraryController.php#97
        Backtrace
        • 21. app/Http/Controllers/HomeworkLibraryController.php:97
        • 22. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 23. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
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        1.02mstwenty4_siteHomeworkLibraryController.php#97
        Backtrace
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        • 23. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
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        Backtrace
        • 20. app/Models/HomeworkLibrary/HomeworkLibrary.php:201
        • 26. app/Http/Controllers/HomeworkLibraryController.php:105
        • 27. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 28. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
        • 29. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
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        Backtrace
        • 14. app/Repositories/HomeworkLibraryRepository.php:30
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      • select * from `subjects` where `subjects`.`id` in (142)
        1.1mstwenty4_siteHomeworkLibraryRepository.php#30
        Backtrace
        • 19. app/Repositories/HomeworkLibraryRepository.php:30
        • 20. vendor/laravel/framework/src/Illuminate/Cache/Repository.php:397
        • 21. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:419
        • 23. app/Repositories/HomeworkLibraryRepository.php:39
        • 24. app/Http/Controllers/HomeworkLibraryController.php:139
      • select * from `solutionslibrary_files` where `solutionslibrary_files`.`solutionlib_id` = 31623 and `solutionslibrary_files`.`solutionlib_id` is not null and `publish` = 'question' order by `order` asc, `id` asc
        1.1mstwenty4_siteHomeworkLibrary.php#260
        Bindings
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        Backtrace
        • 15. app/Models/HomeworkLibrary/HomeworkLibrary.php:260
        • 16. app/Transformers/HomeworkLibrary/HomeworkLibraryTransformer.php:58
        • 19. vendor/league/fractal/src/TransformerAbstract.php:128
        • 20. vendor/league/fractal/src/TransformerAbstract.php:107
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        Backtrace
        • 15. app/Models/HomeworkLibrary/HomeworkLibrary.php:260
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        890μstwenty4_siteHomeworkLibrary.php#260
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        Backtrace
        • 15. app/Models/HomeworkLibrary/HomeworkLibrary.php:260
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