Please Help C++

Question

String Trim1

Write a function stringTrim that removes the first and last characters from a given string. "chello" should become "hell". 

Your function must work correctly given the code in main shown below. Examine it to decide if you should return the new value or use a reference parameter.

int main()

{

string word = "bob";

stringTrim(word);

cout << word << endl;

}

Code:

#include <iostream>

#include <string>

using namespace std;

//Do not modify anything on or above the line below this

//YOUR_CODE_BELOW

//YOUR_FUNCTION HERE

//YOUR_CODE_ABOVE

//Do not modify anything on or below the line above this

int main()

{

string word;

cin >> word;

stringTrim(word);

cout << word<< endl;

}

Answer 1

Hello Brock, here is a good snippet of code to get you started with C++ strings. The std::string namespace has a substr(from, to) function that is very useful for string manipulation:

// TrimString.cpp : This file contains the 'main' function. Program execution begins and ends there.

// ---------------

#include <iostream>

#include <string>

using namespace std;

string stringTrim(string word)

{

// Insert extra logic here to ensure word length > 2

string str = word.substr(1, word.length() - 2);

return str;

}

int main()

{

// Sub cin >> to get varied user input

string word = "chello";

string trimmed = stringTrim(word);

cout << trimmed << endl;

}