I need this Code By C++ Please stick to the code at the bottom of the page Just By C++.The file text.txt contains a sentence text written in all small letters and does not have any punctuation marks, no numbers, no symbols except for spaces.You are required to write a program which accepts an operation code, and zero to two inputs depending on the operation code. Based on the operation code, you will call three versions of the overlaoded function textProcessing as follows:Operation 0: The function removes all vowels from the ORIGINAL sentence. The vowels considered are the small letters (a, e, i, o, u y, and w).Operation 1: The code further asks for one lowercase letter to be input by the user. If the character is not a lower case letter, the code outputs Invalid. The function returns the distance (difference) between the letter first occurence and last occurence in the text. If the letter does not occur in the sentence, it returns 0.Operation 2: The code asks for two lowercase letters to be input by the user. If the characters are not lower case letters, the code outputs Invalid. The function replaces the original letter by the new letter in the ORIGINAL string.Any other opcode: the code outputs Invalid. 1:53 E-I/OProgram Input:• A single line that takes in an operationcode.• Zero or one or two lower case lettersdepending on the operation codeProgram Output:• Depends on the function called and asspecified aboveSample Testcase 0:Suppose the content of the file "text.txt" is:the earth is a very small stage in a vastcosmic arenaInput:Output:th rth s vr smll stg n vst csmc rnSample Testcase 1:Suppose the content of the file "text.txt" is:the earth is a very small stage in a vastcosmic arenaInput:1Output:48 Sample Testcase 2:Suppose the content of the file "text.txt" is:the earth is a very small stage in a vastcosmic arenaInput:2aAOutput:the eArth is A very smAll stAge in A vAstcosmic ArenA1#include #include 3#include 45 using namespace std;6.7void textProcessing(string&inputstring);int textProcessing (const8string &inputString, charletter);void textProcessing (string&inputstring, char orgChar,char newChar);1011int main () {unsigned short operation;cin operation;12131415string sentence;16fstream inputstream;17inputstream.open("text.txt");1819while (!inputstream.eof(0){2021getline (inputstream,sentence);22if (sentence.length() 0) {2324// Your codestarts here2526// Your code endshere272829 }3031// Your functionsimplementation start here323334 // Your functionsimplementation end here

Question

I need this Code By C++ Please stick to the code at the bottom of the page Just By C++.The file text.txt contains a sentence text written in all small letters and does not have any punctuation marks, no numbers, no symbols except for spaces.You are required to write a program which accepts an operation code, and zero to two inputs depending on the operation code. Based on the operation code, you will call three versions of the overlaoded function textProcessing as follows:Operation 0: The function removes all vowels from the ORIGINAL sentence. The vowels considered are the small letters (a, e, i, o, u y, and w).Operation 1: The code further asks for one lowercase letter to be input by the user. If the character is not a lower case letter, the code outputs Invalid. The function returns the distance (difference) between the letter first occurence and last occurence in the text. If the letter does not occur in the sentence, it returns 0.Operation 2: The code asks for two lowercase letters to be input by the user. If the characters are not lower case letters, the code outputs Invalid. The function replaces the original letter by the new letter in the ORIGINAL string.Any other opcode: the code outputs Invalid. 1:53 E-I/OProgram Input:• A single line that takes in an operationcode.• Zero or one or two lower case lettersdepending on the operation codeProgram Output:• Depends on the function called and asspecified aboveSample Testcase 0:Suppose the content of the file &#34;text.txt&#34; is:the earth is a very small stage in a vastcosmic arenaInput:Output:th rth s vr smll stg n vst csmc rnSample Testcase 1:Suppose the content of the file &#34;text.txt&#34; is:the earth is a very small stage in a vastcosmic arenaInput:1Output:48 Sample Testcase 2:Suppose the content of the file &#34;text.txt&#34; is:the earth is a very small stage in a vastcosmic arenaInput:2aAOutput:the eArth is A very smAll stAge in A vAstcosmic ArenA1#include #include 3#include 45 using namespace std;6.7void textProcessing(string&inputstring);int textProcessing (const8string &inputString, charletter);void textProcessing (string&inputstring, char orgChar,char newChar);1011int main () {unsigned short operation;cin >> operation;12131415string sentence;16fstream inputstream;17inputstream.open(&#34;text.txt&#34;);1819while (!inputstream.eof(0){2021getline (inputstream,sentence);22if (sentence.length()> 0) {2324// Your codestarts here2526// Your code endshere272829 }3031// Your functionsimplementation start here323334 // Your functionsimplementation end here

Accepted Answer

Here I have checked the condition for input to be 0,1,2, or any other number.
If the input operation…