Comment Remover

## Input file (input.cpp)

/* Program to add two numbers using cpp
Take three variables a, b, c
Input a, b from user
add a and b to c
print c
*/

#include <bits/stdc++.h>
using namespace std;

int main()
{
    // Three variables a b c
    int a, b, c;
    cin >> a >> b; // Input a b from user
    c = a + b;     // add a b to c
    cout << c;     // Print output
    return 0;
}


## CommentRemover code

#include <bits/stdc++.h>
using namespace std;

string removeComments(string prgm)
{
    int n = prgm.length();
    string res;

    bool s_cmt = false;
    bool m_cmt = false;

    for (int i = 0; i < n; i++)
    {
        if (s_cmt == true && prgm[i] == '\n')
        {
            s_cmt = false;
        }

        else if (m_cmt == true && prgm[i] == '*' && prgm[i + 1] == '/')
        {
            m_cmt = false, i++;
        }

        else if (s_cmt || m_cmt)
        {
            continue;
        }

        else if (prgm[i] == '/' && prgm[i + 1] == '/')
        {
            s_cmt = true, i++;
        }
        else if (prgm[i] == '/' && prgm[i + 1] == '*')
        {
            m_cmt = true, i++;
        }

        else
        {
            res += prgm[i];
        }
    }
    return res;
}

int main()
{

    ifstream InputFile("input.cpp");
    ofstream OutputFile("output_CmntsRemoved.cpp");
    string prgm;
    string line;
    while (getline(InputFile, line))
    {
        prgm += line;
        prgm += "\n";
    }

    cout << "Given Program \n";
    cout << prgm << endl;
    cout << " Modified Program ";
    string res = removeComments(prgm);
    cout << res;
    OutputFile << res;

    return 0;
}


## Output

#include <bits/stdc++.h>
using namespace std;

int main()
{
        int a, b, c;
    cin >> a >> b;     c = a + b;         cout << c;         return 0;
}