I need help writing this code in C. It begins by making a struct that holds 2 other structs inside and allocates memory dynamically. Input will begin with a line containing 1 integer, N (1 ≤ N ≤ 100,000), representing the number of park sections. Each park section initially contains 0 cages. Following this line will be list of commands. The commands must be processed in the order they are given. Each command begins with a number and can be 1 of 4 types. The types are listed below ●1 S C ○This command changes the number of cages in some particular section. The section that is modified is the section numbered S (1-indexed). The resulting number of cages in section S is the number C. This could increase or decrease the number of cages. Any animal that was in a cage with ID after C (1-indexed) is sent back to the warehouse. If the section number is invalid, no changes should be made. ●2 S C A ○This command adds an animal to a cage. The section that is modified is the section numbered S (1-indexed). The resulting cage the animal is added to is C (1-indexed), if the cage is empty and the section and cage exists. If an animal is already present in cage C of section S or there is no section S or cage C of section S does not exist, then the animal is NOT added to the cage. The type of animal is A (a string of at most 1000 alphanumeric characters). ●3 S C ○This command requests the animal type of the animal in cage C (1-indexed) of section S. If no animal is present or the section or cage number is invalid, the phrase “No animal found.” (quotes for clarity) should be printed instead. ●4 ○This command requests that the program ends (I guess we finished organizing all the exhibits). Output should contain a line for each command of type 3. The line should either contain the animal type if the request was valid or the string “No animal found.”

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

Problem 1PE

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I need help writing this code in C. It begins by making a struct that holds 2 other structs inside and allocates memory dynamically.

Input will begin with a line containing 1 integer, N (1 ≤ N ≤ 100,000), representing the number of park
sections. Each park section initially contains 0 cages.

Following this line will be list of commands. The commands must be processed in the order they are
given. Each command begins with a number and can be 1 of 4 types. The types are listed below
●1 S C
○This command changes the number of cages in some particular section. The section that
is modified is the section numbered S (1-indexed). The resulting number of cages in
section S is the number C. This could increase or decrease the number of cages. Any
animal that was in a cage with ID after C (1-indexed) is sent back to the warehouse. If the
section number is invalid, no changes should be made.
●2 S C A
○This command adds an animal to a cage. The section that is modified is the section
numbered S (1-indexed). The resulting cage the animal is added to is C (1-indexed), if the
cage is empty and the section and cage exists. If an animal is already present in cage C of
section S or there is no section S or cage C of section S does not exist, then the animal is
NOT added to the cage. The type of animal is A (a string of at most 1000 alphanumeric
characters).
●3 S C
○This command requests the animal type of the animal in cage C (1-indexed) of section S.
If no animal is present or the section or cage number is invalid, the phrase “No animal
found.” (quotes for clarity) should be printed instead.
●4
○This command requests that the program ends (I guess we finished organizing all the
exhibits).

Output should contain a line for each command of type 3. The line should either contain the animal type if

the request was valid or the string “No animal found.”

Sample Input
5
1 5 10
2 5 8 cat
259 dog
359
358
1 5 8
358
359
4
NH3 ~ 34
2
1 1
3 1 1
2 1
3 1
1 Qawous
1
Sample Output
dog
cat
cat
No animal found.
No animal found.
Qawous

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